CSA Does Not Display Servers and BG Appears to Be Stopped
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CSA Does Not Display Servers and BG Appears to Be Stopped


Article ID: 140006


Updated On:


Clarity PPM On Premise


The CSA does not display any server configuration, although both the CSA and APP are accessible. BG also appears to be Stopped in the Process Engines status page. Restarting CSA, APP or BG services do not seem to do any difference.

A similar error to this one might be observed in the bg-ca.log:

ERROR 2019-11-12 07:21:11,675 [NMS Message Receiver (tenant=clarity)] bpm.eventmgr (clarity:none:none:none) Error in onMessage.
java.util.concurrent.RejectedExecutionException: Task com.niku.bpm.eventmgr.ObjectEventHandler@592f40cf rejected from java.util.concurrent.ThreadPoolExecutor@20223da9[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 50095]
 at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2063)
 at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830)
 at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1379)
 at com.niku.bpm.eventmgr.BusinessProcessEventManagerImpl.onMessage(BusinessProcessEventManagerImpl.java:687)
 at com.niku.bpm.eventmgr.messageserver.MessageServerImpl.processMessages(MessageServerImpl.java:1258)
 at com.niku.bpm.eventmgr.messageserver.MessageServerImpl.runMessageReceiver(MessageServerImpl.java:1201)
 at com.niku.bpm.eventmgr.messageserver.MessageServerImpl.access$100(MessageServerImpl.java:52)
 at com.niku.bpm.eventmgr.messageserver.MessageServerImpl$1.run(MessageServerImpl.java:158)
 at java.lang.Thread.run(Thread.java:748)


Any Clarity PPM version.


There is a problem with the beacon service. Services are unable to communicate with each other.


Restart beacon service. If this does not seem to help, restart all Clarity PPM services and/or operating system as well.