Deadlock Issue Occurring In OTM. (Doc ID 1336147.1)

Last updated on SEPTEMBER 08, 2016

Applies to:

Oracle Transportation Management - Version: 6.1.4 to 6.1.6 - Release: 6.1 to 6.1
Information in this document applies to any platform.

Symptoms

On OTM version 6.1.4 the following dead lock arises

ERROR
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Error Exception java.lang.NullPointerException

java.lang.NullPointerException
at java.util.LinkedList.remove(LinkedList.java:225)
at glog.server.synch.object.ObjectLock.tryLock(ObjectLock.java:396)
at glog.server.synch.object.ObjectLock.tryLock(ObjectLock.java:293)
at glog.server.synch.object.ObjectLockMediatorID.acquire(ObjectLockMediatorID.java:120)
at glog.server.workflow.mediator.Mediator.checkAndRelease(Mediator.java:369)
at glog.server.workflow.mediator.Mediator.checkGroup(Mediator.java:157)
at glog.server.synch.object.ObjectLockMediatorID$1.onUnlock(ObjectLockMediatorID.java:156)
at glog.server.synch.object.ObjectLock.onUnlock(ObjectLock.java:814)
at glog.server.synch.object.ObjectLocks$Hold.unlock(ObjectLocks.java:206)
at glog.server.wrapper.WrapperSessionBean.execDispatch(WrapperSessionBean.java:77)
at glog.server.wrapper.WrapperSessionServerSideEJBWrapper.execDispatch(WrapperSessionServerSideEJBWrapper.java:48)
at glog.server.wrapper.WrapperSessionHome_a06097_EOImpl.execDispatch(WrapperSessionHome_a06097_EOImpl.java:61)
at glog.server.wrapper.WrapperSessionHome_a06097_EOImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:590)
at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:232)
at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)


STEPS
-----------------------
The issue can be reproduced at will with the following steps:
Actual replicate steps are not know the deadlock was seen in the mediator.

Cause

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