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via XWiki.org JIRA by Sorin Burjan, 1 year ago
java.lang.Throwable: null	at com.xpn.xwiki.objects.BaseCollection.setXClassReference(BaseCollection.java:208)	at com.xpn.xwiki.objects.BaseObject.setXClassReference(BaseObject.java:113)	at org.xwiki.annotation.io.internal.migration.hibernate.R40001XWIKI7540DataMigration$DoWorkOnDocumentHibernateCallback.getMigratedObject(R40001XWIKI7540DataMigration.java:290)	at org.xwiki.annotation.io.internal.migration.hibernate.R40001XWIKI7540DataMigration$DoWorkOnDocumentHibernateCallback.processObjects(R40001XWIKI7540DataMigration.java:258)	at org.xwiki.annotation.io.internal.migration.hibernate.R40001XWIKI7540DataMigration$DoWorkOnDocumentHibernateCallback.doInHibernate(R40001XWIKI7540DataMigration.java:204)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1206)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeWrite(XWikiHibernateBaseStore.java:1292)	at org.xwiki.annotation.io.internal.migration.hibernate.R40001XWIKI7540DataMigration.hibernateMigrate(R40001XWIKI7540DataMigration.java:113)	at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:109)	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:586)	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:511)	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:458)	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:296)	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:386)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744)	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726)	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290)	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430)	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473)	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207)	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239)	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:107)	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.(XWikiMacrosMappingRenderer.java:83)	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.(DefaultXWikiRenderingEngine.java:72)	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106)	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786)	at com.xpn.xwiki.XWiki.(XWiki.java:734)	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395)	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482)	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136)	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352)	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323)	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517)	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937)	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)	at org.eclipse.jetty.server.Server.handle(Server.java:346)	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589)	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048)	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601)	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214)	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411)	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535)	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529)	at java.lang.Thread.run(Thread.java:679)