The OCCAS Engine Servers Continuously Get Restarted (Doc ID 1352219.1)

Last updated on JUNE 21, 2017

Applies to:

Oracle Communications Converged Application Server - Version: 4.0.0 and later   [Release: 4.0.0 and later ]
Information in this document applies to any platform.

Symptoms

On OCCAS 4.0 production system (2engines+2replicas with Node Manager configured), the engine servers kept restarted constantly, and a lot of NPE (NullPointerException) are thrown in the log files:

####<Jul 26, 2011 11:19:44 AM CEST> <Error> <WLSS.Engine> <colla02> <engine2> <[ACTIVE] ExecuteThread: '18' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1311671984457> <BEA-330101> <Exception while processing messages for call id: SIP_PROBE-Proxy-10-23@domain
java.lang.NullPointerException
at com.bea.wcp.sip.engine.server.setup.CommonService.startShuttingDown(CommonService.java:98)
at com.bea.wcp.sip.replicatedstore.client.ReplicationServiceClient.handleClientNotRegistered(ReplicationServiceClient.java:551)
at com.bea.wcp.sip.replicatedstore.client.PartitionClient.collectResponses(PartitionClient.java:627)
at com.bea.wcp.sip.replicatedstore.client.ReplicatedStoreClientImpl.lockAndGet(ReplicatedStoreClientImpl.java:241)
at com.bea.wcp.sip.replicatedstore.server.PersistentCallStateManager.lockAndGetCallState(PersistentCallStateManager.java:108)
at com.bea.wcp.sip.engine.server.MessageHandler$MessageQueue.processMessages(MessageHandler.java:562)
at com.bea.wcp.sip.engine.server.MessageHandler$MessageQueue.run(MessageHandler.java:734)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms