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  1. XWiki Platform
  2. XWIKI-14770

Notification related errors when upgrading XWiki from starting 9.3 versions to 9.7/9.8.1

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Details

    • Bug
    • Resolution: Duplicate
    • Major
    • None
    • 9.7, 9.8.1
    • None
    • None
    • Windows 10 Pro 64 bit, Chrome v.61, Firefox v.56, IE v.11
    • Unknown

    Description

      Preconditions: An older instance of XWiki (e.g. v 9.3/9.4/9.5.1/9.6) and a newer version (to which will be migrated - e.g. v 9.7/9.8.1) are available.

      STEPS TO REPRODUCE:

      1. Delete the "data" folder from the newer version
      2. Copy the "data" folder from the older version and paste it in the folder of the newer version
      3. Start XWiki
      4. Observe the console
      5. After the server is started, open the instance in the browser
      6. Observe the console

      EXPECTED RESULTS

      The upgrade to the newer XWiki versions is successfully completed without any errors.

      ACTUAL RESULTS

      When upgrading from 9.3/9.3.1/9.4 versions to 9.7/9.8.1 the following error appears in console when starting the instance:

      2017-10-06 11:59:46,444 [main] ERROR .i.DefaultExtensionInitializer - Failed to initialize local extension [org.xwiki.contrib.blog:application-blog-notification/9.3.1]
java.lang.NoClassDefFoundError: org/xwiki/notifications/NotificationDisplayer
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at org.xwiki.classloader.URIClassLoader.defineClass(URIClassLoader.java:238)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:188)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.register(ComponentAnnotationLoader.java:159)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.initialize(ComponentAnnotationLoader.java:136)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:224)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:164)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.initialize(JarExtensionHandler.java:142)
        at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.initialize(DefaultExtensionHandlerManager.java:154)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:202)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:161)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtension(DefaultExtensionInitializer.java:133)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:105)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:81)
        at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
        at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
        at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
        at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
        at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:184)
        at org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:120)
        at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:890)
        at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:532)
        at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:853)
        at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:344)
        at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1501)
        at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1463)
        at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:785)
        at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:261)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:545)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:41)
        at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:188)
        at org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:502)
        at org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:150)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:180)
        at org.eclipse.jetty.deploy.providers.WebAppProvider.fileAdded(WebAppProvider.java:453)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:64)
        at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:610)
        at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:529)
        at org.eclipse.jetty.util.Scanner.scan(Scanner.java:392)
        at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:313)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:150)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:564)
        at org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:239)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
        at org.eclipse.jetty.server.Server.start(Server.java:452)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
        at org.eclipse.jetty.server.Server.doStart(Server.java:419)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1515)
        at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1439)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1438)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.jetty.start.Main.invokeMain(Main.java:221)
        at org.eclipse.jetty.start.Main.start(Main.java:506)
        at org.eclipse.jetty.start.Main.main(Main.java:78)
Caused by: java.lang.ClassNotFoundException: org.xwiki.notifications.NotificationDisplayer
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 71 common frames omitted
2017-10-06 11:59:46,455 [main] ERROR .i.DefaultExtensionInitializer - Failed to initialize local extension [org.xwiki.contrib.blog:application-blog-ui/9.3.1]
java.lang.NoClassDefFoundError: org/xwiki/notifications/NotificationDisplayer
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at org.xwiki.classloader.URIClassLoader.defineClass(URIClassLoader.java:238)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:188)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.register(ComponentAnnotationLoader.java:159)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.initialize(ComponentAnnotationLoader.java:136)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:224)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:164)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.initialize(JarExtensionHandler.java:142)
        at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.initialize(DefaultExtensionHandlerManager.java:154)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:202)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:161)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:173)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:161)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:189)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:161)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtension(DefaultExtensionInitializer.java:127)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:105)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:81)
        at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
        at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
        at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
        at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
        at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:184)
        at org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:120)
        at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:890)
        at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:532)
        at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:853)
        at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:344)
        at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1501)
        at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1463)
        at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:785)
        at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:261)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:545)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:41)
        at org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:188)
        at org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:502)
        at org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:150)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:180)
        at org.eclipse.jetty.deploy.providers.WebAppProvider.fileAdded(WebAppProvider.java:453)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:64)
        at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:610)
        at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:529)
        at org.eclipse.jetty.util.Scanner.scan(Scanner.java:392)
        at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:313)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:150)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:564)
        at org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:239)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
        at org.eclipse.jetty.server.Server.start(Server.java:452)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
        at org.eclipse.jetty.server.Server.doStart(Server.java:419)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1515)
        at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1439)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1438)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.jetty.start.Main.invokeMain(Main.java:221)
        at org.eclipse.jetty.start.Main.start(Main.java:506)
        at org.eclipse.jetty.start.Main.main(Main.java:78)
Caused by: java.lang.ClassNotFoundException: org.xwiki.notifications.NotificationDisplayer
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 75 common frames omitted

      When upgrading from 9.5.1/9.6 versions to 9.7/9.8.1 the following error appears in console after the server is started and the instance is opened in the browser:

       2017-10-06 10:59:44,547 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.NotificationEmailHourlySender] and wiki [xwiki]
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : Notifications hourly email
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:427)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:164)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:76)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:123)
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.notifications.internal.email.NotificationEmailJob
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
        ... 8 common frames omitted
2017-10-06 10:59:44,573 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.NotificationEmailDailySender] and wiki [xwiki]
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : Notifications daily email
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:427)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:164)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:76)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:123)
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.notifications.internal.email.NotificationEmailJob
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
        ... 8 common frames omitted
2017-10-06 10:59:44,597 [XWiki Scheduler initialization] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to restore job with in document [xwiki:Scheduler.NotificationEmailWeeklySender] and wiki [xwiki]
com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90006 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while loading job class for job : Notifications weekly email
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:427)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:317)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.register(SchedulerPlugin.java:310)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.restoreExistingJobs(SchedulerPlugin.java:295)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.initAsync(SchedulerPlugin.java:164)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.access$000(SchedulerPlugin.java:76)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin$1.run(SchedulerPlugin.java:123)
        at org.xwiki.context.concurrent.ExecutionContextRunnable.run(ExecutionContextRunnable.java:70)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.xwiki.notifications.internal.email.NotificationEmailJob
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:193)
        at org.xwiki.classloader.URIClassLoader$1.run(URIClassLoader.java:180)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.xwiki.classloader.URIClassLoader.findClass(URIClassLoader.java:179)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.xwiki.classloader.xwiki.internal.ContextNamespaceURLClassLoader.loadClass(ContextNamespaceURLClassLoader.java:176)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.scheduleJob(SchedulerPlugin.java:362)
        ... 8 common frames omitted

      Also was tested migration from 9.2 to 9.7/9.8.1, from 9.7 to 9.8.1 and from 9.5.1 to 9.6 and no errors were encountered in the console.

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. XWIKI-14699 Errors updating the Blog Application in DW when upgrading XWiki from pre 9.3 version

          • Major - Major loss of function.
          • Open

          Activity

            People

              tmortagne Thomas Mortagne
              iandriuta Ilie Andriuta
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              Dates

                Created:
                Updated:
                Resolved: