ConcurrentModificationException when zenloader is loading service

  • Document ID:3600413
  • Creation Date:17-Jan-2008
  • Modified Date:27-Apr-2012
    • Micro Focus Products:
      ZENworks Configuration Management

Environment

Novell ZENworks 10 Configuration Management

Situation

Service (for example Patch Management Download service) not loading.
ERROR (from loader-messages.log):

[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.QueueRunner] [An unknown error
occurred.] [An unknown error occurred.] [] []
[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.MandatoryBaselineManager] [Starting
Subscription Download] [Starting Subscription Download] [] []
[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.QueueRunner]
[java.util.ConcurrentModificationException

Resolution

This is fixed in version 10.0.2 - see KB 3486285 "Updates to ZENworks 10 Configuration Management" which can be found athttps://www.novell.com/support

Additional Information

StackTraces from loader-messages.log:
[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.QueueRunner] [An unknown error
occurred.] [An unknown error occurred.] [] []
[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.MandatoryBaselineManager] [Starting
Subscription Download] [Starting Subscription Download] [] []
[DEBUG] [11/5/07 3:09:16 PM] [] [Loader.QueueRunner]
[java.util.ConcurrentModificationException
at
java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:617)
at java.util.LinkedList$ListItr.next(LinkedList.java:552)
at
com.novell.zenworks.loader.modules.queue.runner.QueueRunner.processRunningActions(QueueRunner.java:397)
at
com.novell.zenworks.loader.modules.queue.runner.QueueRunner.run(QueueRunner.java:272)
at
com.novell.zenworks.loader.ZENModuleThread.run(ZENModuleThread.java:111)
] [java.util.ConcurrentModificationException
and:

[DEBUG] [11/5/07 4:08:55 PM] [] [Loader.QueueRunner] [java.lang.NullPointerException

at java.util.LinkedList$ListItr.next(LinkedList.java:557)

at com.novell.zenworks.loader.modules.queue.runner.QueueRunner.processRunningActions(QueueRunner.java:397)

at com.novell.zenworks.loader.modules.queue.runner.QueueRunner.run(QueueRunner.java:272)

at com.novell.zenworks.loader.ZENModuleThread.run(ZENModuleThread.java:111)

] [java.lang.NullPointerException

at java.util.LinkedList$ListItr.next(LinkedList.java:557)

at com.novell.zenworks.loader.modules.queue.runner.QueueRunner.processRunningActions(QueueRunner.java:397)

at com.novell.zenworks.loader.modules.queue.runner.QueueRunner.run(QueueRunner.java:272)

at com.novell.zenworks.loader.ZENModuleThread.run(ZENModuleThread.java:111)

] [] []