Re: [rules-users] Help with troubleshooting rules/Drools

I knew I spoke too soon. Now, from 5.2: 12:49:52,625 ERROR [STDERR] org.drools.RuntimeDroolsException: Unexpected exception executing action org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteExpireAction@554af19c 12:49:52,625 ERROR [STDERR] at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:996) 12:49:52,625 ERROR [STDERR] at org.drools.common.DefaultAgenda.fireUntilHalt(DefaultAgenda.java:1037) 12:49:52,625 ERROR [STDERR] at org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:777) 12:49:52,625 ERROR [STDERR] at org.drools.common.AbstractWorkingMemory.fireUntilHalt(AbstractWorkingMemory.java:753) 12:49:52,625 ERROR [STDERR] at org.drools.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:234) 12:49:52,625 ERROR [STDERR] at com.kroger.tempmonitor.app.service.RuleService$1.run(RuleService.java:214) 12:49:52,625 ERROR [STDERR] at java.lang.Thread.run(Thread.java:662) 12:49:52,625 ERROR [STDERR] Caused by: java.lang.NullPointerException 12:49:52,625 ERROR [STDERR] at org.drools.reteoo.AccumulateNode.removeMatch(AccumulateNode.java:838) 12:49:52,626 ERROR [STDERR] at org.drools.reteoo.AccumulateNode.removePreviousMatchesForRightTuple(AccumulateNode.java:908) 12:49:52,626 ERROR [STDERR] at org.drools.reteoo.AccumulateNode.retractRightTuple(AccumulateNode.java:308) 12:49:52,626 ERROR [STDERR] at org.drools.reteoo.ObjectTypeNode.retractObject(ObjectTypeNode.java:235) 12:49:52,626 ERROR [STDERR] at org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteExpireAction.execute(ReteooWorkingMemory.java:464) 12:49:52,626 ERROR [STDERR] at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:994) 12:49:52,626 ERROR [STDERR] ... 6 more I have a couple custom accumulate functions; I think the solution here may just be to have them return false for supportsReverse(). -- View this message in context: http://drools.46999.n3.nabble.com/Help-with-troubleshooting-rules-Drools-... Sent from the Drools: User forum mailing list archive at Nabble.com.