2017-06-14 10:12:56 Commons Daemon procrun stdout initialized
2017-06-14 10:13:14,502 [localhost-startStop-1] WARN  o.x.e.i.ServletEnvironment     - No permanent directory configured. Using temporary directory [C:\web\tomcat\work\Catalina\localhost\xwiki]. 
2017-06-14 10:13:15,096 [localhost-startStop-1] INFO  o.x.s.s.i.EmbeddedSolrInstance - Starting embedded Solr server... 
2017-06-14 10:13:15,096 [localhost-startStop-1] INFO  o.x.s.s.i.EmbeddedSolrInstance - Using Solr home directory: [C:\web\tomcat\work\Catalina\localhost\xwiki\solr] 
2017-06-14 10:13:16,221 [coreLoadExecutor-6-thread-1] WARN  o.a.s.c.SolrResourceLoader     - Solr loaded a deprecated plugin/analysis class [solr.SynonymFilterFactory]. Please consult documentation how to replace it accordingly. 
2017-06-14 10:13:17,799 [localhost-startStop-1] INFO  o.x.s.s.i.EmbeddedSolrInstance - Started embedded Solr server. 
2017-06-14 10:13:22,659 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [net.sf.json-lib:json-lib:jdk15-2.4] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to resolve artifact [net.sf.json-lib:json-lib:jar:jdk15:2.4] descriptor
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:407)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:390)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:384)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:201)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact net.sf.json-lib:json-lib:pom:2.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.loadPom(AetherExtensionRepository.java:518)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:401)
	... 7 common frames omitted
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact net.sf.json-lib:json-lib:pom:2.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
	at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 11 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.impl.client.DecompressingHttpClient.execute(DecompressingHttpClient.java:164)
	at org.eclipse.aether.transport.http.HttpTransporter.execute(HttpTransporter.java:318)
	at org.eclipse.aether.transport.http.HttpTransporter.implGet(HttpTransporter.java:274)
	at org.eclipse.aether.spi.connector.transport.AbstractTransporter.get(AbstractTransporter.java:59)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
	... 16 common frames omitted
2017-06-14 10:13:23,752 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [net.sf.json-lib:json-lib:jdk15-2.4] in repository [store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [net.sf.json-lib:json-lib:jdk15-2.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [https://store.xwiki.com/xwiki/rest/repository/extensions/net.sf.json-lib%3Ajson-lib%3Ajdk15/versions/2.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to store.xwiki.com:443 [store.xwiki.com/5.135.69.203] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:339)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:25,815 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [net.sf.json-lib:json-lib:jdk15-2.4] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [net.sf.json-lib:json-lib:jdk15-2.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [http://extensions.xwiki.org/xwiki/rest/repository/extensions/net.sf.json-lib%3Ajson-lib%3Ajdk15/versions/2.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to extensions.xwiki.org:80 [extensions.xwiki.org/104.25.106.17, extensions.xwiki.org/104.25.107.17] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:26,830 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [com.google.inject:guice:no_aop-4.1.0] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to resolve artifact [com.google.inject:guice:jar:no_aop:4.1.0] descriptor
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:407)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:390)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:384)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:201)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact com.google.inject:guice:pom:4.1.0 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.loadPom(AetherExtensionRepository.java:518)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:401)
	... 7 common frames omitted
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact com.google.inject:guice:pom:4.1.0 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
	at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 11 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.impl.client.DecompressingHttpClient.execute(DecompressingHttpClient.java:164)
	at org.eclipse.aether.transport.http.HttpTransporter.execute(HttpTransporter.java:318)
	at org.eclipse.aether.transport.http.HttpTransporter.implGet(HttpTransporter.java:274)
	at org.eclipse.aether.spi.connector.transport.AbstractTransporter.get(AbstractTransporter.java:59)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
	... 16 common frames omitted
2017-06-14 10:13:27,862 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [com.google.inject:guice:no_aop-4.1.0] in repository [store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [com.google.inject:guice:no_aop-4.1.0]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [https://store.xwiki.com/xwiki/rest/repository/extensions/com.google.inject%3Aguice%3Ano_aop/versions/4.1.0]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to store.xwiki.com:443 [store.xwiki.com/5.135.69.203] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:339)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:29,902 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [com.google.inject:guice:no_aop-4.1.0] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [com.google.inject:guice:no_aop-4.1.0]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [http://extensions.xwiki.org/xwiki/rest/repository/extensions/com.google.inject%3Aguice%3Ano_aop/versions/4.1.0]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to extensions.xwiki.org:80 [extensions.xwiki.org/104.25.106.17, extensions.xwiki.org/104.25.107.17] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:30,933 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-server-9.4] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to resolve artifact [org.xwiki.platform:xwiki-platform-wysiwyg-server:jar:9.4] descriptor
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:407)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:390)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:384)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:201)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact org.xwiki.platform:xwiki-platform-wysiwyg-server:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.loadPom(AetherExtensionRepository.java:518)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:401)
	... 7 common frames omitted
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact org.xwiki.platform:xwiki-platform-wysiwyg-server:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
	at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 11 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.impl.client.DecompressingHttpClient.execute(DecompressingHttpClient.java:164)
	at org.eclipse.aether.transport.http.HttpTransporter.execute(HttpTransporter.java:318)
	at org.eclipse.aether.transport.http.HttpTransporter.implGet(HttpTransporter.java:274)
	at org.eclipse.aether.spi.connector.transport.AbstractTransporter.get(AbstractTransporter.java:59)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
	... 16 common frames omitted
2017-06-14 10:13:31,949 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-server-9.4] in repository [store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.platform:xwiki-platform-wysiwyg-server-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [https://store.xwiki.com/xwiki/rest/repository/extensions/org.xwiki.platform%3Axwiki-platform-wysiwyg-server/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to store.xwiki.com:443 [store.xwiki.com/5.135.69.203] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:339)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:33,987 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-server-9.4] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.platform:xwiki-platform-wysiwyg-server-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [http://extensions.xwiki.org/xwiki/rest/repository/extensions/org.xwiki.platform%3Axwiki-platform-wysiwyg-server/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to extensions.xwiki.org:80 [extensions.xwiki.org/104.25.106.17, extensions.xwiki.org/104.25.107.17] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:35,016 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-client-9.4] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to resolve artifact [org.xwiki.platform:xwiki-platform-wysiwyg-client:jar:9.4] descriptor
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:407)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:390)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:384)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:201)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact org.xwiki.platform:xwiki-platform-wysiwyg-client:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.loadPom(AetherExtensionRepository.java:518)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:401)
	... 7 common frames omitted
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact org.xwiki.platform:xwiki-platform-wysiwyg-client:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
	at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 11 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.impl.client.DecompressingHttpClient.execute(DecompressingHttpClient.java:164)
	at org.eclipse.aether.transport.http.HttpTransporter.execute(HttpTransporter.java:318)
	at org.eclipse.aether.transport.http.HttpTransporter.implGet(HttpTransporter.java:274)
	at org.eclipse.aether.spi.connector.transport.AbstractTransporter.get(AbstractTransporter.java:59)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
	... 16 common frames omitted
2017-06-14 10:13:36,036 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-client-9.4] in repository [store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.platform:xwiki-platform-wysiwyg-client-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [https://store.xwiki.com/xwiki/rest/repository/extensions/org.xwiki.platform%3Axwiki-platform-wysiwyg-client/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to store.xwiki.com:443 [store.xwiki.com/5.135.69.203] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:339)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:38,062 [Core extension repository updater] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-wysiwyg-client-9.4] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.platform:xwiki-platform-wysiwyg-client-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:113)
	at org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:140)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [http://extensions.xwiki.org/xwiki/rest/repository/extensions/org.xwiki.platform%3Axwiki-platform-wysiwyg-client/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 4 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to extensions.xwiki.org:80 [extensions.xwiki.org/104.25.106.17, extensions.xwiki.org/104.25.107.17] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 6 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 16 common frames omitted
2017-06-14 10:13:48,271 [XWiki initialization] INFO  .HibernateDataMigrationManager - Storage schema updates and data migrations are enabled 
2017-06-14 10:13:48,489 [XWiki initialization] INFO  .HibernateDataMigrationManager - No data migration to apply for wiki [xwiki] currently in version [93000] 
2017-06-14 10:13:48,489 [XWiki initialization] INFO  .HibernateDataMigrationManager - Checking Hibernate mapping and updating schema if needed for wiki [xwiki] 
2017-06-14 10:13:50,302 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@179461a] INFO  o.x.s.s.i.j.IndexerJob         - Starting job of type [solr.indexer] with identifier [[solr, indexer]] 
2017-06-14 10:13:50,552 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@179461a] INFO  o.x.s.s.i.j.IndexerJob         - 0 documents added, 0 deleted and 1 updated during the synchronization of the Solr index. 
2017-06-14 10:13:50,552 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@179461a] INFO  o.x.s.s.i.j.IndexerJob         - Finished job of type [solr.indexer] with identifier [[solr, indexer]] 
2017-06-14 10:13:52,349 [Active Installs Ping Thread] WARN  a.i.c.ActiveInstallsPingThread - Failed to send Active Installation ping to [http://extensions.xwiki.org/activeinstalls]. Error = [ConnectException: Connection refused: connect]. Will retry in [86400] seconds... 
2017-06-14 10:14:20,408 [http://localhost:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki-9.4] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to resolve artifact [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki:jar:9.4] descriptor
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:407)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:390)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:384)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:201)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:128)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:111)
	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:249)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:272)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:95)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.transform(InternalTemplateManager.java:499)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:731)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$execute$1(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.executeNoException(InternalTemplateManager.java:699)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.executeNoException(DefaultTemplateManager.java:125)
	at org.xwiki.extension.distribution.internal.job.step.AbstractDistributionStep.executeInteractive(AbstractDistributionStep.java:125)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:246)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:796)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:675)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:650)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:649)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:628)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:614)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:77)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2131)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:180)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:463)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:210)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:134)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not transfer artifact org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.loadPom(AetherExtensionRepository.java:518)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:401)
	... 142 common frames omitted
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki:pom:9.4 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Connection refused: connect
	at org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
	at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
	... 146 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121)
	at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180)
	at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:326)
	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.apache.http.impl.client.DecompressingHttpClient.execute(DecompressingHttpClient.java:164)
	at org.eclipse.aether.transport.http.HttpTransporter.execute(HttpTransporter.java:318)
	at org.eclipse.aether.transport.http.HttpTransporter.implGet(HttpTransporter.java:274)
	at org.eclipse.aether.spi.connector.transport.AbstractTransporter.get(AbstractTransporter.java:59)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
	at org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
	... 151 common frames omitted
2017-06-14 10:14:21,409 [http://localhost:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki-9.4] in repository [store.xwiki.com:xwiki:https://store.xwiki.com/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:128)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:111)
	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:249)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:272)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:95)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.transform(InternalTemplateManager.java:499)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:731)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$execute$1(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.executeNoException(InternalTemplateManager.java:699)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.executeNoException(DefaultTemplateManager.java:125)
	at org.xwiki.extension.distribution.internal.job.step.AbstractDistributionStep.executeInteractive(AbstractDistributionStep.java:125)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:246)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:796)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:675)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:650)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:649)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:628)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:614)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:77)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2131)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:180)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:463)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:210)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:134)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [https://store.xwiki.com/xwiki/rest/repository/extensions/org.xwiki.enterprise%3Axwiki-enterprise-ui-mainwiki/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 139 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to store.xwiki.com:443 [store.xwiki.com/5.135.69.203] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 141 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:339)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 151 common frames omitted
2017-06-14 10:14:23,424 [http://localhost:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki-9.4] in repository [extensions.xwiki.org:xwiki:http://extensions.xwiki.org/xwiki/rest] 
org.xwiki.extension.ResolveException: Failed to create extension object for extension [org.xwiki.enterprise:xwiki-enterprise-ui-mainwiki-9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:344)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:288)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:128)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:111)
	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:249)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:272)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:95)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.transform(InternalTemplateManager.java:499)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:731)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$execute$1(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:742)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.executeNoException(InternalTemplateManager.java:699)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.executeNoException(DefaultTemplateManager.java:125)
	at org.xwiki.extension.distribution.internal.job.step.AbstractDistributionStep.executeInteractive(AbstractDistributionStep.java:125)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:246)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:361)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:796)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:675)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:650)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:85)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:649)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:628)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:614)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:77)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2131)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:180)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:463)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:210)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:134)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Failed to request [http://extensions.xwiki.org/xwiki/rest/repository/extensions/org.xwiki.enterprise%3Axwiki-enterprise-ui-mainwiki/versions/9.4]
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:246)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTObject(XWikiExtensionRepository.java:304)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:339)
	... 139 common frames omitted
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to extensions.xwiki.org:80 [extensions.xwiki.org/104.25.106.17, extensions.xwiki.org/104.25.107.17] failed: Connection refused: connect
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:159)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:359)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.getRESTResource(XWikiExtensionRepository.java:243)
	... 141 common frames omitted
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
	... 151 common frames omitted