HTTP Status 500 – Internal Server Error - Error number 11007 in 0: Failed to extract Entity Resource

Hello everybody,

I need really urgent help about this problem. Our manager needed an Xwiki site upgraded it. The xWiki was running perfectly with older version.

Since then it goes to initalize until 91% and stucks and drops error messages:
HTTP Status 500 – Internal Server Error
Type Exception Report

Message com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [https://wiki-dev.kalypso-int.com/bin/view/Main]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [https://wiki-dev.kalypso-int.com/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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

com.xpn.xwiki.XWikiException: Error number 11007 in 0: Failed to extract Entity Resource Reference from URL [https://wiki-dev.kalypso-int.com/bin/view/Main]
com.xpn.xwiki.XWiki.initializeResourceFromURL(XWiki.java:951)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

java.lang.RuntimeException: Failed to locate wiki descriptor for alias [wiki-dev.kalypso-int.com]
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

org.xwiki.wiki.manager.WikiManagerException: Failed to locate XWiki.XWikiServerClass document for wiki alias [wiki-dev.kalypso-int.com]
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

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:130)
org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:296)
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

Added additional error due to body limit
Note I am not using hsql it should utilize postgres

com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [xwiki:XWiki.XWikiServerClass]
com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:1022)
com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1845)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1906)
com.xpn.xwiki.XWiki.getXClass(XWiki.java:6189)
com.xpn.xwiki.XWiki.getClass(XWiki.java:6202)
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:512)
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:296)
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

org.hibernate.HibernateException: Could not create a DBCP pool. There is an error in the Hibernate configuration file, please review it.
com.xpn.xwiki.store.DBCPConnectionProvider.configure(DBCPConnectionProvider.java:232)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:143)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:84)
org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:459)
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:90)
org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2863)
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2859)
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1870)
com.xpn.xwiki.store.XWikiHibernateBaseStore.initHibernate(XWikiHibernateBaseStore.java:214)
com.xpn.xwiki.store.XWikiHibernateBaseStore.checkHibernate(XWikiHibernateBaseStore.java:587)
com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:891)
com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1845)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1906)
com.xpn.xwiki.XWiki.getXClass(XWiki.java:6189)
com.xpn.xwiki.XWiki.getClass(XWiki.java:6202)
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:512)
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:296)
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

java.sql.SQLException: Cannot load JDBC driver class ‘org.hsqldb.jdbcDriver’
org.apache.commons.dbcp2.BasicDataSource.createConnectionFactory(BasicDataSource.java:2145)
org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2039)
org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1528)
com.xpn.xwiki.store.DBCPConnectionProvider.configure(DBCPConnectionProvider.java:215)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:143)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:84)
org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:459)
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:90)
org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2863)
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2859)
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1870)
com.xpn.xwiki.store.XWikiHibernateBaseStore.initHibernate(XWikiHibernateBaseStore.java:214)
com.xpn.xwiki.store.XWikiHibernateBaseStore.checkHibernate(XWikiHibernateBaseStore.java:587)
com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:891)
com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1845)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1906)
com.xpn.xwiki.XWiki.getXClass(XWiki.java:6189)
com.xpn.xwiki.XWiki.getClass(XWiki.java:6202)
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:512)
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:296)
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Root Cause

java.lang.ClassNotFoundException: org.hsqldb.jdbcDriver
org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
java.security.AccessController.doPrivileged(Native Method)
org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
java.lang.ClassLoader.loadClass(ClassLoader.java:424)
java.lang.ClassLoader.loadClass(ClassLoader.java:357)
org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
org.apache.commons.dbcp2.BasicDataSource.createConnectionFactory(BasicDataSource.java:2137)
org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2039)
org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1528)
com.xpn.xwiki.store.DBCPConnectionProvider.configure(DBCPConnectionProvider.java:215)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:143)
org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:84)
org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:459)
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:90)
org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2863)
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2859)
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1870)
com.xpn.xwiki.store.XWikiHibernateBaseStore.initHibernate(XWikiHibernateBaseStore.java:214)
com.xpn.xwiki.store.XWikiHibernateBaseStore.checkHibernate(XWikiHibernateBaseStore.java:587)
com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:891)
com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1845)
com.xpn.xwiki.XWiki.getDocument(XWiki.java:1906)
com.xpn.xwiki.XWiki.getXClass(XWiki.java:6189)
com.xpn.xwiki.XWiki.getClass(XWiki.java:6202)
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.isPropertyCustomMapped(DefaultDocumentAccessBridge.java:512)
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:296)
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:946)
com.xpn.xwiki.XWiki.getXWiki(XWiki.java:811)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:254)
com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:209)
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:127)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
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:134)
Note The full stack trace of the root cause is available in the server logs.

Well, it seems you do use hsqldb. You might want to double-check what you indicated in the hibernate configuration.

Below is my hibernat.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Please refer to the installation guide on
     http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Installation for configuring your
     database. You'll need to do 2 things:
     1) Copy your database driver JAR in WEB-INF/lib or in some shared lib directory
     2) Uncomment the properties below for your specific DB (and comment the default
        database configuration if it doesn't match your DB)
-->

<!-- Generic parameters common to all Databases -->

<property name="show_sql">false</property>
<property name="use_outer_join">true</property>

<!-- Without it, some queries fail in MS SQL. XWiki doesn't need scrollable result sets, anyway. -->
<property name="jdbc.use_scrollable_resultset">false</property>

<!-- DBCP Connection Pooling configuration. Only some properties are shown. All available properties can be found
     at http://commons.apache.org/proper/commons-dbcp/configuration.html -->

<property name="dbcp.defaultAutoCommit">false</property>
<property name="dbcp.maxTotal">50</property>
<property name="dbcp.maxIdle">5</property>
<property name="dbcp.maxWaitMillis">30000</property>
<property name="connection.provider_class">com.xpn.xwiki.store.DBCPConnectionProvider</property>

<!-- Setting "dbcp.poolPreparedStatements" to true and "dbcp.maxOpenPreparedStatements" will tell DBCP to cache
     Prepared Statements (it's off by default). Note that for backward compatibility the "dbcp.ps.maxActive" is also
     supported and when set it'll set "dbcp.poolPreparedStatements" to true and "dbcp.maxOpenPreparedStatements" to
     value of "dbcp.ps.maxActive".

     Note 1: When using HSQLDB for example, it's important to NOT cache prepared statements because HSQLDB
     Prepared Statements (PS) contain the schema on which they were initially created and thus when switching
     schema if the same PS is reused it'll execute on the wrong schema! Since HSQLDB does internally cache
     prepared statement there's no performance loss by not caching Prepared Statements at the DBCP level.
     See https://jira.xwiki.org/browse/XWIKI-1740.
     Thus we recommend not turning on this configuration for HSQLDB unless you know what you're doing :)

     Note 2: The same applies to PostGreSQL.
-->

<!-- BoneCP Connection Pooling configuration.
<property name="bonecp.idleMaxAgeInMinutes">240</property>
<property name="bonecp.idleConnectionTestPeriodInMinutes">60</property>
<property name="bonecp.partitionCount">3</property>
<property name="bonecp.acquireIncrement">10</property>
<property name="bonecp.maxConnectionsPerPartition">60</property>
<property name="bonecp.minConnectionsPerPartition">20</property>
<property name="bonecp.statementsCacheSize">50</property>
<property name="bonecp.releaseHelperThreads">3</property>
<property name="connection.provider_class">com.xpn.xwiki.store.DBCPConnectionProvider</property>
-->


<!-- Configuration for the default database.
     Comment out this section and uncomment other sections below if you want to use another database.
     Note that the database tables will be created automatically if they don't already exist.

     If you want the main wiki database to be different than "xwiki" (or the default schema for schema based engines)
     you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:hsqldb:file:${environment.permanentDirectory}/database/xwiki_db;shutdown=true</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- MySQL configuration.
     Uncomment if you want to use MySQL and comment out other database configurations.
     Notes:
       - if you want the main wiki database to be different than "xwiki"
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:mysql://localhost/xwiki?useSSL=false</property>
<property name="connection.username">xwiki</property>
<property name="connection.password">xwiki</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
<property name="dbcp.poolPreparedStatements">true</property>
<property name="dbcp.maxOpenPreparedStatements">20</property>
<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- HSQLDB configuration.
     Uncomment if you want to use HSQLDB and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "PUBLIC" (the default HSQLDB schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:hsqldb:file:${environment.permanentDirectory}/database/xwiki_db;shutdown=true</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>
<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- PostgreSQL configuration.
     Uncomment if you want to use PostgreSQL and comment out other database configurations.
     Notes:
       - "jdbc.use_streams_for_binary" needs to be set to "false",
         see https://community.jboss.org/wiki/HibernateCoreMigrationGuide36
       - "xwiki.virtual_mode" can be set to either "schema" or "database". Note that currently the database mode
         doesn't support database creation (see https://jira.xwiki.org/browse/XWIKI-8753)
       - if you want the main wiki database to be different than "xwiki" (or "public" in schema mode)
         you will also have to set the property xwiki.db in xwiki.cfg file 
-->
<property name="connection.url">jdbc:postgresql://localhost:5432/xwiki</property>
<property name="hibernate.connection.url">allowPublicKeyRetrieval=true</property> 
<property name="connection.username">xwiki</property>
<property name="connection.password">l18kL0PBiagI9bUw</property>
<property name="connection.driver_class">org.postgresql.Driver</property>
<property name="dialect">org.hibernate.dialect.PostgreSQLDialect</property>
<property name="jdbc.use_streams_for_binary">false</property>
<property name="xwiki.virtual_mode">schema</property>
<mapping resource="xwiki.postgresql.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>


<!-- Oracle configuration.
     Uncomment if you want to use Oracle and comment out other database configurations.
     Notes:
       - the 2 properties named "connection.SetBigStringTryClob" and
         "jdbc.batch_size" are required to tell Oracle to allow CLOBs larger than 32K.
       - "jdbc.use_streams_for_binary" needs to be set to "false",
         see https://community.jboss.org/wiki/HibernateCoreMigrationGuide36
       - if you want the main wiki schema to be different than "xwiki"
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:oracle:thin:@localhost:1521:XE</property>
<property name="connection.username">xwiki</property>
<property name="connection.password">xwiki</property>
<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
<property name="connection.SetBigStringTryClob">true</property>
<property name="jdbc.batch_size">0</property>
<property name="jdbc.use_streams_for_binary">false</property>
<property name="dbcp.poolPreparedStatements">true</property>
<property name="dbcp.maxOpenPreparedStatements">20</property>
<mapping resource="xwiki.oracle.hbm.xml"/>
<mapping resource="feeds.oracle.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.oracle.hbm.xml"/>
-->

<!-- Derby configuration.
     Uncomment if you want to use Derby and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "APP" (the default Derby schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:derby:/some/path/xwikidb;create=true</property>
<property name="connection.driver_class">org.apache.derby.jdbc.EmbeddedDriver</property>
<property name="dialect">org.hibernate.dialect.DerbyDialect</property>
<property name="dbcp.poolPreparedStatements">true</property>
<property name="dbcp.maxOpenPreparedStatements">20</property>
<mapping resource="xwiki.derby.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- H2 configuration.
     Uncomment if you want to use H2 and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "PUBLIC" (the default H2 schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="connection.url">jdbc:h2:${environment.permanentDirectory}/database/xwiki</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<property name="connection.driver_class">org.h2.Driver</property>
<property name="dialect">org.hibernate.dialect.H2Dialect</property>
<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

Looks OK.

The other possibility is that XWiki is not really using the hibernate.cfg.xml file you think it’s using. You don’t have any hibernate configuration anywhere in that server with a hsqldb configuration in it ? By default it’s supposed to be located in /wehether/is/the/xwiki/app/located/WEB-INF/hibernate.cfg.xml. It’s also possible to indicate a specific location for the hibernate configuration in xwiki.cfg (xwiki.store.hibernate.path).

Can you check whether below contents looks good

<?xml version="1.0" encoding="UTF-8"?>
<!-- Please refer to the installation guide on
     https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Installation/ for configuring your database.
     You'll need to do 2 things:
     1) Copy your database driver JAR in WEB-INF/lib or in some shared lib directory
     2) Uncomment the properties below for your specific DB (and comment the default
        database configuration if it doesn't match your DB)
-->

<!-- Generic parameters common to all Databases -->

<property name="hibernate.show_sql">false</property>
<property name="hibernate.use_outer_join">true</property>

<!-- Without it, some queries fail in MS SQL. XWiki doesn't need scrollable result sets, anyway. -->
<property name="hibernate.jdbc.use_scrollable_resultset">false</property>

<!-- DBCP Connection Pooling configuration. Only some properties are shown. All available properties can be found
     at https://commons.apache.org/proper/commons-dbcp/configuration.html
-->
<property name="hibernate.dbcp.defaultAutoCommit">false</property>
<property name="hibernate.dbcp.maxTotal">50</property>
<property name="hibernate.dbcp.maxIdle">5</property>
<property name="hibernate.dbcp.maxWaitMillis">30000</property>
																								

<!-- Enable JMX monitoring for DBCP -->
<property name="hibernate.dbcp.jmxName">org.apache.dbcp:DataSource=dbcp</property>
																												   
								  

<!-- Tell Hibernate to use XWiki's custom DBCP Connection Provider so that the DBCP pool is used -->
<property name="hibernate.connection.provider_class">com.xpn.xwiki.store.DBCPConnectionProvider</property>

<!--
  Keep the old behavior. The new version of hibernate tries to delete and recreate unique
  constraints when updating the database schema. The problem is that an exception is thrown
  when the constraint to be deleted does not exists, which is the case with a new XWiki
  instance.
  See https://hibernate.atlassian.net/browse/HHH-8162
-->
<property name="hibernate.schema_update.unique_constraint_strategy">skip</property>

<!-- Setting "hibernate.dbcp.poolPreparedStatements" to true and "hibernate.dbcp.maxOpenPreparedStatements" will
     tell DBCP to cache Prepared Statements (it's off by default). Note that for backward compatibility the
     "hibernate.dbcp.ps.maxActive" is also supported and when set it'll set "hibernate.dbcp.poolPreparedStatements"
     to true and "hibernate.dbcp.maxOpenPreparedStatements" to value of "hibernate.dbcp.ps.maxActive".

     Note 1: When using HSQLDB for example, it's important to NOT cache prepared statements because HSQLDB
     Prepared Statements (PS) contain the schema on which they were initially created and thus when switching
     schema if the same PS is reused it'll execute on the wrong schema! Since HSQLDB does internally cache
     prepared statement there's no performance loss by not caching Prepared Statements at the DBCP level.
     See https://jira.xwiki.org/browse/XWIKI-1740.
     Thus we recommend not turning on this configuration for HSQLDB unless you know what you're doing :)

     Note 2: The same applies to PostGreSQL.
-->

<!-- BoneCP Connection Pooling configuration.
<property name="hibernate.bonecp.idleMaxAgeInMinutes">240</property>
<property name="hibernate.bonecp.idleConnectionTestPeriodInMinutes">60</property>
<property name="hibernate.bonecp.partitionCount">3</property>
<property name="hibernate.bonecp.acquireIncrement">10</property>
<property name="hibernate.bonecp.maxConnectionsPerPartition">60</property>
<property name="hibernate.bonecp.minConnectionsPerPartition">20</property>
<property name="hibernate.bonecp.statementsCacheSize">50</property>
<property name="hibernate.bonecp.releaseHelperThreads">3</property>
<property name="hibernate.connection.provider_class">com.xpn.xwiki.store.DBCPConnectionProvider</property>
-->


<!-- Configuration for the default database.
     Comment out this section and uncomment other sections below if you want to use another database.
     Note that the database tables will be created automatically if they don't already exist.

     If you want the main wiki database to be different than "xwiki" (or the default schema for schema based
     engines) you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:hsqldb:file:${environment.permanentDirectory}/database/xwiki_db;shutdown=true</property>
<property name="hibernate.connection.username">sa</property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.driver_class">org.hsqldb.jdbcDriver</property>
																	 

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
											
<mapping resource="instance.hbm.xml"/>
<mapping resource="notification-filter-preferences.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>


<!-- MySQL configuration.
Uncomment if you want to use MySQL and comment out other database configurations.
Notes:
- if you want the main wiki database to be different than “xwiki”
you will also have to set the property xwiki.db in xwiki.cfg file
- if you’re using a MySQL 8+ JDBC driver, you don’t need the “hibernate.connection.driver_class” which will
generate a warning since it’s not needed as the driver is registered automatically

<property name="hibernate.connection.url">jdbc:mysql://localhost/xwiki?useSSL=false</property>
<property name="hibernate.connection.username">xwiki</property>
<property name="hibernate.connection.password">xwiki</property>
<property name="hibernate.connection.driver_class">com.mysql.cj.jdbc.Driver</property>
<property name="hibernate.dbcp.poolPreparedStatements">true</property>
<property name="hibernate.dbcp.maxOpenPreparedStatements">20</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="notification-filter-preferences.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- MariaDB configuration.
     Uncomment if you want to use MariaDB and comment out other database configurations.
     Notes:
       - if you want the main wiki database to be different than "xwiki"
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:mariadb://localhost/xwiki?useSSL=false</property>
<property name="hibernate.connection.username">xwiki</property>
<property name="hibernate.connection.password">xwiki</property>
<property name="hibernate.connection.driver_class">org.mariadb.jdbc.Driver</property>
<property name="hibernate.dbcp.poolPreparedStatements">true</property>
<property name="hibernate.dbcp.maxOpenPreparedStatements">20</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="notification-filter-preferences.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- HSQLDB configuration.
     Uncomment if you want to use HSQLDB and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "PUBLIC" (the default HSQLDB schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:hsqldb:file:${environment.permanentDirectory}/database/xwiki_db;shutdown=true</property>
<property name="hibernate.connection.username">sa</property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>
<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>											
<mapping resource="instance.hbm.xml"/>
<mapping resource="notification-filter-preferences.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- PostgreSQL configuration.
     Uncomment if you want to use PostgreSQL and comment out other database configurations.
     Notes:
       - "hibernate.jdbc.use_streams_for_binary" needs to be set to "false",
         see https://community.jboss.org/wiki/HibernateCoreMigrationGuide36
       - "xwiki.virtual_mode" can be set to either "schema" or "database". Note that currently the database mode
         doesn't support database creation (see https://jira.xwiki.org/browse/XWIKI-8753)
       - if you want the main wiki database to be different than "xwiki" (or "public" in schema mode)
         you will also have to set the property xwiki.db in xwiki.cfg file
-->
<property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/xwiki</property>
<property name="hibernate.connection.username">xwiki</property>
<property name="hibernate.connection.password">l18kL0PBiagI9bUw</property>
<property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
																		   
<property name="hibernate.jdbc.use_streams_for_binary">false</property>
<property name="xwiki.virtual_mode">schema</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.postgresql.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>
<mapping resource="instance.hbm.xml"/>
<mapping resource="notification-filter-preferences.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>



<!-- Oracle configuration.
     Uncomment if you want to use Oracle and comment out other database configurations.
     Notes:
       - the 2 properties named "hibernate.connection.SetBigStringTryClob" and
         "hibernate.jdbc.batch_size" are required to tell Oracle to allow CLOBs larger than 32K.
       - "hibernate.jdbc.use_streams_for_binary" needs to be set to "false",
         see https://community.jboss.org/wiki/HibernateCoreMigrationGuide36
       - if you want the main wiki schema to be different than "xwiki"
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:oracle:thin:@localhost:1521:XE</property>
<property name="hibernate.connection.username">xwiki</property>
<property name="hibernate.connection.password">xwiki</property>
<property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="hibernate.connection.SetBigStringTryClob">true</property>
															   
<property name="hibernate.jdbc.batch_size">0</property>
<property name="hibernate.jdbc.use_streams_for_binary">false</property>
<property name="hibernate.dbcp.poolPreparedStatements">true</property>
<property name="hibernate.dbcp.maxOpenPreparedStatements">20</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.oracle.hbm.xml"/>
<mapping resource="feeds.oracle.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>										
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
<mapping resource="mailsender.oracle.hbm.xml"/>
-->

<!-- Derby configuration.
     Uncomment if you want to use Derby and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "APP" (the default Derby schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:derby:/some/path/xwikidb;create=true</property>
<property name="hibernate.connection.driver_class">org.apache.derby.jdbc.EmbeddedDriver</property>
<property name="hibernate.dialect">org.hibernate.dialect.DerbyDialect</property>
<property name="hibernate.dbcp.poolPreparedStatements">true</property>
<property name="hibernate.dbcp.maxOpenPreparedStatements">20</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.derby.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
											
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

<!-- H2 configuration.
     Uncomment if you want to use H2 and comment out other database configurations.
     Notes:
       - if you want the main wiki schema to be different than "PUBLIC" (the default H2 schema)
         you will also have to set the property xwiki.db in xwiki.cfg file

<property name="hibernate.connection.url">jdbc:h2:${environment.permanentDirectory}/database/xwiki</property>
<property name="hibernate.connection.username">sa</property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.connection.driver_class">org.h2.Driver</property>
<property name="hibernate.dialect">org.hibernate.dialect.H2Dialect</property>

<property name="hibernate.connection.charSet">UTF-8</property>
<property name="hibernate.connection.useUnicode">true</property>
<property name="hibernate.connection.characterEncoding">utf8</property>

<mapping resource="xwiki.hbm.xml"/>
<mapping resource="feeds.hbm.xml"/>
<mapping resource="activitystream.hbm.xml"/>											
<mapping resource="instance.hbm.xml"/>
<mapping resource="mailsender.hbm.xml"/>
-->

I don’t see any uncommented hsqldb related configuration in that file.

Can we connect to resolve this issue as i don’t see any other hibernate related configuration