Intermittent BPM Tasklist Error In WebCenter Portal (Doc ID 2214524.1)

Last updated on DECEMBER 16, 2016

Applies to:

Oracle WebCenter Portal - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Followed Integrating with Oracle WebCenter Portal to configure BPM integration with Oracle WebCenter Portal.  The BPM Task List is embedded into an WebCenter Portal page. 

It sometimes shows the expected BPM task list but intermittently shows:

"Error showing tasklist. Possible reasons could be: 1. SOA server connection information is not available. 2. If it is run in federated mode, the default server may be down".

The following error appears in diagnostics log file.

[2016-08-10T18:05:31.800+10:00] [WC_Portal1] [WARNING] [] [oracle.bpm.taskflows.TaskFlowHelper] [tid: [ACTIVE].ExecuteThread: '15' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: GBB57683] [ecid: 581513a5-3146-402b-826d-005c6a18de17-00008236,0] [APP: webcenter] [partition-name: DOMAIN] [tenant-name: GLOBAL] [[
java.lang.reflect.InvocationTargetException
.....
at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:54)
at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:617)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:397)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:346)
Caused by: oracle.webcenter.webcenterapp.WebCenterException: Cannot retrieve portal workflow configuration. Please contact your administrator.
at oracle.webcenter.community.utils.CommunityWorkflowUtil.getBPELConnection(CommunityWorkflowUtil.java:313)
at oracle.webcenter.community.utils.CommunityWorkflowUtil.getBPELURL(CommunityWorkflowUtil.java:341)
... 192 more
Caused by: java.lang.NullPointerException
at oracle.webcenter.community.utils.CommunityWorkflowUtil.getBPELConnection(CommunityWorkflowUtil.java:281)
... 193 more

]]

 

Cause

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