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  1. XWiki Platform
  2. XWIKI-11687

Exception in install log when installing Ratings application in the extension manager

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 6.4
    • Fix Version/s: None
    • Component/s: Extension
    • Labels:
      None
    • Difficulty:
      Unknown
    • Documentation:
      N/A
    • Documentation in Release Notes:
      N/A
    • Similar issues:

      Description

      When installing the "Ratings Application", the install log issues an "error"

      Line before the error

      Applying [INSTALL] for extension [Ratings API 6.4] on namespace [Home] from previous extension []
      

      the comes error with full stack trace:

      org.xwiki.component.descriptor.DefaultComponentDescriptor cannot be cast to org.xwiki.component.manager.ComponentManager
      class java.lang.ClassCastException: org.xwiki.component.descriptor.DefaultComponentDescriptor cannot be cast to org.xwiki.component.manager.ComponentManager at com.xpn.xwiki.XWiki.onEvent(XWiki.java:6162) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:304) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:269) at org.xwiki.component.internal.StackingComponentEventManager.sendEvent(StackingComponentEventManager.java:142) at org.xwiki.component.internal.StackingComponentEventManager.flushEvents(StackingComponentEventManager.java:92) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:157) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:101) at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.install(DefaultExtensionHandlerManager.java:85) at org.xwiki.extension.job.internal.AbstractExtensionJob.installExtension(AbstractExtensionJob.java:248) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyAction(AbstractExtensionJob.java:199) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyActions(AbstractExtensionJob.java:146) at org.xwiki.extension.job.internal.InstallJob.runInternal(InstallJob.java:148) at org.xwiki.job.internal.AbstractJob.runInContext(AbstractJob.java:209) at org.xwiki.job.internal.AbstractJob.run(AbstractJob.java:192) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
      org.xwiki.component.descriptor.DefaultComponentDescriptor cannot be cast to org.xwiki.component.manager.ComponentManager
      class java.lang.ClassCastException: org.xwiki.component.descriptor.DefaultComponentDescriptor cannot be cast to org.xwiki.component.manager.ComponentManager at com.xpn.xwiki.XWiki.onEvent(XWiki.java:6162) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:304) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:269) at org.xwiki.component.internal.StackingComponentEventManager.sendEvent(StackingComponentEventManager.java:142) at org.xwiki.component.internal.StackingComponentEventManager.flushEvents(StackingComponentEventManager.java:92) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:157) at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:101) at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.install(DefaultExtensionHandlerManager.java:85) at org.xwiki.extension.job.internal.AbstractExtensionJob.installExtension(AbstractExtensionJob.java:248) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyAction(AbstractExtensionJob.java:199) at org.xwiki.extension.job.internal.AbstractExtensionJob.applyActions(AbstractExtensionJob.java:146) at org.xwiki.extension.job.internal.InstallJob.runInternal(InstallJob.java:148) at org.xwiki.job.internal.AbstractJob.runInContext(AbstractJob.java:209) at org.xwiki.job.internal.AbstractJob.run(AbstractJob.java:192) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
      

      next line in install log is:

      Successfully applied [INSTALL] for extension [Ratings API 6.4] on namespace [Home] from previous extension []
      

      Installation seems to succeed after that,

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              • Assignee:
                tmortagne Thomas Mortagne
                Reporter:
                camil7 Clemens Robbenhaar
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                Dates

                • Created:
                  Updated:
                  Resolved:
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