Impossible to access to my xwiki index after reboot

Hi, after a classical installation, with a mySQL server, and libreoffice integration, and 2 month of inactivity, i return on my xwiki server, and e restarted the server to make updates (windows 2012 R2) and there the page launched once, then when I click on a link, whatever it is, it returns me on a page with " error 500 ". If I go back, same, “Error 500”, here are the logs …
Thank you
(it’s in french, sry)


> État HTTP 500 – Erreur interne du serveur
>  
> Type Rapport d'exception
>  
> message com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [http://localhost:8080/xwiki/bin/view/Main/]
>  
> description Le serveur a rencontré une erreur interne qui l'a empêché de satisfaire la requête.
>  
> exception
>  
> javax.servlet.ServletException: com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [http://localhost:8080/xwiki/bin/view/Main/]
>     org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [http://localhost:8080/xwiki/bin/view/Main/]
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1030)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> java.lang.RuntimeException: Failed to locate wiki descriptor for alias [localhost]
>     org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:80)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
>     org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1025)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> org.xwiki.wiki.manager.WikiManagerException: Failed to locate XWiki.XWikiServerClass document for wiki alias [localhost]
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:128)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
>     org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:147)
>     org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
>     org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1025)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> org.xwiki.query.QueryException: Exception while translating [where doc.object(XWiki.XWikiServerClass).server = :wikiAlias and doc.name like 'XWikiServer%'] XWQL query to the [hql] language. Query statement = [where doc.object(XWiki.XWikiServerClass).server = :wikiAlias and doc.name like 'XWikiServer%']
>     org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:129)
>     org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
>     org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
>     org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:147)
>     org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
>     org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1025)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [xwiki:XWiki.XWikiServerClass]
>     com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:1000)
>     com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:365)
>     com.xpn.xwiki.XWiki.getDocument(XWiki.java:2105)
>     com.xpn.xwiki.XWiki.getDocument(XWiki.java:2167)
>     com.xpn.xwiki.XWiki.getXClass(XWiki.java:6695)
>     com.xpn.xwiki.XWiki.getClass(XWiki.java:6708)
>     com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:540)
>     org.xwiki.query.xwql.internal.QueryContext$PropertyInfo.isCustomMapped(QueryContext.java:153)
>     org.xwiki.query.xwql.internal.QueryContext$ObjectInfo.isCustomMapped(QueryContext.java:122)
>     org.xwiki.query.xwql.internal.hql.ObjectPrinter.print(ObjectPrinter.java:37)
>     org.xwiki.query.xwql.internal.hql.Printer.print(Printer.java:70)
>     org.xwiki.query.xwql.internal.hql.XWQLtoHQLTranslator.translate(XWQLtoHQLTranslator.java:61)
>     org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:97)
>     org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
>     org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
>     org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:147)
>     org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
>     org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1025)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> cause mère
>  
> java.lang.IllegalStateException: EntityManagerFactory is closed
>     org.hibernate.internal.SessionFactoryImpl.validateNotClosed(SessionFactoryImpl.java:536)
>     org.hibernate.internal.SessionFactoryImpl.getCache(SessionFactoryImpl.java:836)
>     org.hibernate.internal.AbstractSharedSessionContract.<init>(AbstractSharedSessionContract.java:156)
>     org.hibernate.internal.AbstractSessionImpl.<init>(AbstractSessionImpl.java:29)
>     org.hibernate.internal.SessionImpl.<init>(SessionImpl.java:246)
>     org.hibernate.internal.SessionFactoryImpl$SessionBuilderImpl.openSession(SessionFactoryImpl.java:1301)
>     org.hibernate.internal.SessionFactoryImpl.openSession(SessionFactoryImpl.java:487)
>     com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:777)
>     com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:577)
>     com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:870)
>     com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:365)
>     com.xpn.xwiki.XWiki.getDocument(XWiki.java:2105)
>     com.xpn.xwiki.XWiki.getDocument(XWiki.java:2167)
>     com.xpn.xwiki.XWiki.getXClass(XWiki.java:6695)
>     com.xpn.xwiki.XWiki.getClass(XWiki.java:6708)
>     com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:540)
>     org.xwiki.query.xwql.internal.QueryContext$PropertyInfo.isCustomMapped(QueryContext.java:153)
>     org.xwiki.query.xwql.internal.QueryContext$ObjectInfo.isCustomMapped(QueryContext.java:122)
>     org.xwiki.query.xwql.internal.hql.ObjectPrinter.print(ObjectPrinter.java:37)
>     org.xwiki.query.xwql.internal.hql.Printer.print(Printer.java:70)
>     org.xwiki.query.xwql.internal.hql.XWQLtoHQLTranslator.translate(XWQLtoHQLTranslator.java:61)
>     org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:97)
>     org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
>     org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocumentReference(DefaultWikiDescriptorDocumentHelper.java:121)
>     org.xwiki.wiki.internal.descriptor.document.DefaultWikiDescriptorDocumentHelper.findXWikiServerClassDocument(DefaultWikiDescriptorDocumentHelper.java:140)
>     org.xwiki.wiki.internal.descriptor.DefaultWikiDescriptorManager.getByAlias(DefaultWikiDescriptorManager.java:147)
>     org.xwiki.url.internal.standard.AbstractWikiReferenceExtractor.getWikiDescriptorByAlias(AbstractWikiReferenceExtractor.java:78)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.resolveDomainBasedWikiReference(DomainWikiReferenceExtractor.java:61)
>     org.xwiki.url.internal.standard.DomainWikiReferenceExtractor.extract(DomainWikiReferenceExtractor.java:47)
>     org.xwiki.url.internal.standard.entity.BinEntityResourceReferenceResolver.extractWikiReference(BinEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:92)
>     org.xwiki.url.internal.standard.entity.AbstractEntityResourceReferenceResolver.resolve(AbstractEntityResourceReferenceResolver.java:51)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:61)
>     org.xwiki.url.internal.GenericResourceReferenceResolver.resolve(GenericResourceReferenceResolver.java:47)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:65)
>     org.xwiki.url.internal.standard.StandardExtendedURLResourceReferenceResolver.resolve(StandardExtendedURLResourceReferenceResolver.java:43)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:93)
>     org.xwiki.url.internal.DefaultResourceReferenceResolver.resolve(DefaultResourceReferenceResolver.java:48)
>     com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:1025)
>     com.xpn.xwiki.XWiki.getXWiki(XWiki.java:890)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:284)
>     com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
>     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
>     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
>     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
>     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
>     javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>     com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
>     org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
>     org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
>     org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
>     org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
>     org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
>  
> note La trace complète de la cause mère de cette erreur est disponible dans les fichiers journaux de ce serveur.
> Apache Tomcat/9.0.24

Did you try to restart again ?

i can.
i do that an tell u more about it,
Thanks

I feel particularly stupid on the spot.
It works nickel after restart … I’ll have to think about it.
Thank you