Database issues when migrating from 10.11/10.10 to 11.0 [SOLVED]

I reinstalled the original VM image with no SNAPSHOT jar. Than I upgraded, after the upgrade I stopped tomcat to replace the jar file. Than I restarted tomcat before navigating to xwiki in the browser.

Wrong sequence ?

Dow you want me to install it to my 10.11 ? I thought the jar is to monitor migration progress !?

11.0.2 just been released.

If you restore the pre 11.0.x data and upgrade to 11.0.2 the migration should go well.

Wow, that is fast ! OK I already had reset to 10.11, but may be a nice check if it works with 10.11 too :wink:

Migration from 10.11 to 11.0.2 creates the following exception. Maybe because I tried from 10.11 ?

2019-01-30 17:41:41,626 [XWiki initialization] INFO  .HibernateDataMigrationManager - Storage schema updates and data migrations are enabled 
2019-01-30 17:41:42,248 [XWiki initialization] INFO  .HibernateDataMigrationManager - The following data migration(s) will be applied for wiki [xwiki] currently in version [1008010]: 
2019-01-30 17:41:42,249 [XWiki initialization] INFO  .HibernateDataMigrationManager -   R1100000XWIKI15620 - Move the store to a new location. Change the path from URL encoding to hash based to support long references. 
2019-01-30 17:41:42,249 [XWiki initialization] INFO  .HibernateDataMigrationManager - Checking Hibernate mapping and updating schema if needed for wiki [xwiki] 
2019-01-30 17:41:44,464 [XWiki initialization] INFO  .HibernateDataMigrationManager - Starting data migration [R1100000XWIKI15620] with version [1100000] on database [xwiki] 
2019-01-30 17:41:44,465 [XWiki initialization] INFO  1100000XWIKI15620DataMigration - Moving content of folder [/var/lib/xwiki/data/storage] to new location [/var/lib/xwiki/data/store/file] 
2019-01-30 17:41:44,467 [XWiki initialization] ERROR .HibernateDataMigrationManager - Failed to migrate database [xwiki]... 
com.xpn.xwiki.store.migration.DataMigrationException: Data migration R1100000XWIKI15620 failed
        at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:120)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:848)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.migrateDatabase(AbstractDataMigrationManager.java:743)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:664)
        at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:346)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsOnlyOnce(AbstractDataMigrationManager.java:644)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.tryToProcceedToMigration(AbstractDataMigrationManager.java:621)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:538)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:339)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:302)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:472)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:682)
        at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:894)
        at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1916)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1978)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocument(XWiki.java:1333)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocuments(XWiki.java:1307)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1225)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1167)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:1140)
        at com.xpn.xwiki.internal.XWikiInitializerJob.runInternal(XWikiInitializerJob.java:117)
        at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:236)
        at org.xwiki.job.AbstractJob.run(AbstractJob.java:213)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException: null
        at org.xwiki.store.filesystem.internal.migration.R1100000XWIKI15620DataMigration.migrateRoot(R1100000XWIKI15620DataMigration.java:97)
        at org.xwiki.store.filesystem.internal.migration.R1100000XWIKI15620DataMigration.hibernateMigrate(R1100000XWIKI15620DataMigration.java:119)
        at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:118)
        ... 24 common frames omitted

It’s not my day, I fixed the issue but did not merged it in the 11.0.x branch. 11.0.3 ready soon…

11.0.3 available :crossed_fingers:

Ok I tried to upgrade from 11.0.2 to 11.0.3. less Exception, but when Com to the migration wizzard I see this:
screen

There is one excetption in the log that could be relevant:

2019-01-31 10:15:41,774 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-distribution-flavor-mainwiki/11.0.3] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to create Maven model
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:493)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:466)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:460)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:266)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:286)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:136)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:119)
	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:252)
	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.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:214)
	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.ASTElseIfStatement.render(ASTElseIfStatement.java:92)
	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.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.ASTElseIfStatement.render(ASTElseIfStatement.java:92)
	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.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:358)
	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:297)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.transform(InternalTemplateManager.java:542)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:779)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$execute$1(InternalTemplateManager.java:790)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:790)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.executeNoException(InternalTemplateManager.java:747)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.executeNoException(DefaultTemplateManager.java:126)
	at org.xwiki.extension.distribution.internal.job.step.AbstractDistributionStep.executeInteractive(AbstractDistributionStep.java:125)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:246)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$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:358)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:847)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:723)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:698)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:697)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:676)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:662)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2290)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:489)
	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:618)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
	at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1580)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1537)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.maven.model.building.ModelBuildingException: 1 problem was encountered while building the effective model for org.xwiki.platform:xwiki-platform-distribution-flavor-mainwiki:[unknown-version]
[FATAL] Non-resolvable parent POM for org.xwiki.platform:xwiki-platform:11.0.3: Could not find artifact org.xwiki.commons:xwiki-commons-pom:pom:11.0.3 in maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public) @ org.xwiki.platform:xwiki-platform:11.0.3

	at org.apache.maven.model.building.DefaultModelProblemCollector.newModelBuildingException(DefaultModelProblemCollector.java:197)
	at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1091)
	at org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:838)
	at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:332)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.createModel(AetherExtensionRepository.java:622)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:491)
	... 147 common frames omitted
2019-01-31 10:15:42,287 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR o.x.v.i.DefaultVelocityEngine  - Left side ($extension.authors.size()) of '>' operation has null value at 32:/templates/distribution.vm[line 963, column 39] 
2019-01-31 10:15:42,292 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR o.x.v.i.DefaultVelocityEngine  - Left side ($extension.dependencies.size()) of '>' operation has null value at 32:/templates/distribution.vm[line 306, column 38] 
2019-01-31 10:15:42,293 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR o.x.v.i.DefaultVelocityEngine  - Left side ($extension.extensionFeatures.size()) of '>' operation has null value at 32:/templates/distribution.vm[line 326, column 47] 
2019-01-31 10:15:42,294 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR o.x.v.i.DefaultVelocityEngine  - Left side ($extension.licenses.size()) of '>' operation has null value at 32:/templates/distribution.vm[line 345, column 38] 
2019-01-31 10:15:42,296 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR o.x.v.i.DefaultVelocityEngine  - Left side ($extension.dependencies.size()) of '>' operation has null value at 32:/templates/distribution.vm[line 567, column 40] 
2019-01-31 10:16:23,286 [http://127.0.0.1:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F%3Fsrid%3D8hdrJV8v] ERROR aultExtensionRepositoryManager - Unexpected error when trying to find extension [org.xwiki.platform:xwiki-platform-distribution-flavor-mainwiki/11.0.3] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public] 
org.xwiki.extension.ResolveException: Failed to create Maven model
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:493)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:466)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolveMaven(AetherExtensionRepository.java:460)
	at org.xwiki.extension.repository.aether.internal.AetherExtensionRepository.resolve(AetherExtensionRepository.java:266)
	at org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:286)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtensionFromInstalled(DefaultExtensionManager.java:136)
	at org.xwiki.extension.internal.DefaultExtensionManager.resolveExtension(DefaultExtensionManager.java:119)
	at org.xwiki.extension.script.ExtensionManagerScriptService.resolve(ExtensionManagerScriptService.java:252)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:214)
	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.ASTElseIfStatement.render(ASTElseIfStatement.java:92)
	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.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.ASTElseIfStatement.render(ASTElseIfStatement.java:92)
	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.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:358)
	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:297)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.transform(InternalTemplateManager.java:542)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:779)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$execute$1(InternalTemplateManager.java:790)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.execute(InternalTemplateManager.java:790)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.executeNoException(InternalTemplateManager.java:747)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.executeNoException(DefaultTemplateManager.java:126)
	at org.xwiki.extension.distribution.internal.job.step.AbstractDistributionStep.executeInteractive(AbstractDistributionStep.java:125)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:246)
	at org.xwiki.extension.distribution.internal.DistributionInternalScriptService.renderCurrentStepToXHTML(DistributionInternalScriptService.java:232)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$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:358)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:847)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:723)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:698)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:697)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:676)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:662)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2290)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:489)
	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:618)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

Seems to be Nexus proxy having a bug again. The artifact was available on Maven central but not on the nexus.xwiki.org proxy. I resetted the cache and it seems OK now.

The pre-Live system worked when I upgraded from 11.0.2 to 11.0.3, but the Livesystem crashed when trying to upgrade from 10.11.1 to 11.0.3 with this error:

2019-02-04 10:08:06,762 [XWiki initialization] INFO  .HibernateDataMigrationManager - Starting data migration [R1100000XWIKI15620] with version [1100000] on database [xwiki] 
2019-02-04 10:08:06,763 [XWiki initialization] INFO  1100000XWIKI15620DataMigration - Moving content of folder [/var/lib/xwiki/data/storage] to new location [/var/lib/xwiki/data/store/file] 
2019-02-04 10:08:06,765 [XWiki initialization] ERROR .HibernateDataMigrationManager - Failed to migrate database [xwiki]... 
com.xpn.xwiki.store.migration.DataMigrationException: Data migration R1100000XWIKI15620 failed
        at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:120)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:848)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.migrateDatabase(AbstractDataMigrationManager.java:743)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:664)
        at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:346)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsOnlyOnce(AbstractDataMigrationManager.java:644)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.tryToProcceedToMigration(AbstractDataMigrationManager.java:621)
        at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:538)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:339)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.setWiki(HibernateStore.java:302)
        at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:472)
        at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:682)
        at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:894)
        at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:353)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1916)
        at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1978)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocument(XWiki.java:1333)
        at com.xpn.xwiki.XWiki.initializeMandatoryDocuments(XWiki.java:1307)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1225)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:1167)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:1140)
        at com.xpn.xwiki.internal.XWikiInitializerJob.runInternal(XWikiInitializerJob.java:117)
        at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:236)
        at org.xwiki.job.AbstractJob.run(AbstractJob.java:213)
        at java.lang.Thread.run(Thread.java:748)
Caused by: com.xpn.xwiki.store.migration.DataMigrationException: Failed to move old filesystem store to the new location
        at org.xwiki.store.filesystem.internal.migration.R1100000XWIKI15620DataMigration.migrateRoot(R1100000XWIKI15620DataMigration.java:101)
        at org.xwiki.store.filesystem.internal.migration.R1100000XWIKI15620DataMigration.hibernateMigrate(R1100000XWIKI15620DataMigration.java:119)
        at com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration.migrate(AbstractHibernateDataMigration.java:118)
        ... 24 common frames omitted
Caused by: org.apache.commons.io.FileExistsException: Destination '/var/lib/xwiki/data/store/file/produkte' already exists
        at org.apache.commons.io.FileUtils.moveDirectory(FileUtils.java:2923)
        at org.apache.commons.io.FileUtils.moveDirectoryToDirectory(FileUtils.java:2970)
        at org.apache.commons.io.FileUtils.moveToDirectory(FileUtils.java:3078)
        at org.xwiki.store.filesystem.internal.migration.R1100000XWIKI15620DataMigration.migrateRoot(R1100000XWIKI15620DataMigration.java:99)
        ... 26 common frames omitted
2019-02-04 10:08:06,766 [XWiki initialization] ERROR .HibernateDataMigrationManager - Main wiki database migration failed, it is not safe to continue! 
2019-02-04 10:08:06,771 [XWiki initialization] ERROR c.x.x.XWiki                    - Failed to initialize mandatory document

Sounds like you forgot to remove /var/lib/xwiki/data/store/file (the new 11.x location) before upgrading.

Unfortunately it seems that all data is stored already in the /var/lib/xwiki/data/store/file folder. May be a relict from the first try of the upgrade with the 11.0 debian package.

The error you pasted suggest you still have a /var/lib/xwiki/data/storage/ (the old location) with data in it (it’s trying to move its content to the new location and fail because it’s already been moved in a previous migration and then restored probably).

If it’s only partially moved for some reason and you don’t have a backup you should merge the old location in the new one by hand and try the migration again.

/var/lib/xwiki/data/storage/ is fairly empty:

storage
└── produkte
    └── %53ynaptic
        └── %54echnik
            └── %53ervices
                └── %41nh%C3%A4nge
                    └── %57eb%48ome
                        └── ~this
                            └── attachments
                                ├── %53impleton %57orkflow.png
                                │   ├── ~METADATA.xml
                                │   ├── Simpleton Workflow.png
                                │   └── Simpleton Workflow~v1.3.png
                                └── %53ynaptic %57%45%42%44%41%56.png
                                    ├── ~METADATA.xml
                                    ├── Synaptic WEBDAV.png
                                    └── Synaptic WEBDAV~v1.2.png

the other folder contains all my wikis everything

Ok I can copy the whole stuff to the old folder ?

One way or the other, what is important is to not have folders which are in both locations.

OK than I can safely delete the old folder ?

The migration will delete it automatically when it’s empty.

Perfect ! after removing the file everything works as expected.
Thanks a lot !!!