Any one who can help me out of these Exceptions?
It is tiring me.
Thanks
& Regards,
Hari
Kishan T
From: rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of HariKishan
Sent: Wednesday, September 21,
2011 3:48 PM
To: 'Rules Users List'
Subject: [rules-users] Getting
Exception while running rules continuously onthe Event Streams.
Please find attached the
rule Code (.drl) below.
Frequently getting this
below Exception while running rules.
Exception caught while executing action: org.drools.reteoo.PropagationQueuingNode$PropagateAction@41c317
java.lang.NullPointerException
at
org.drools.util.LeftTupleList.toArray(LeftTupleList.java:106)
at
org.drools.util.LeftTupleList.toArray(LeftTupleList.java:11)
at
org.drools.reteoo.CollectNode.assertObject(CollectNode.java:256)
at
org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:42)
at
org.drools.reteoo.RightInputAdapterNode.assertLeftTuple(RightInputAdapterNode.java:135)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:117)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:28)
at
org.drools.reteoo.FromNode.evaluateAndPropagate(FromNode.java:156)
at
org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:104)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:145)
at
org.drools.reteoo.CompositeLeftTupleSinkAdapter.propagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:39)
at
org.drools.reteoo.JoinNode.assertObject(JoinNode.java:175)
at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:42)
at
org.drools.reteoo.PropagationQueuingNode$AssertAction.execute(PropagationQueuingNode.java:326)
at
org.drools.reteoo.PropagationQueuingNode.propagateActions(PropagationQueuingNode.java:221)
at
org.drools.reteoo.PropagationQueuingNode$PropagateAction.execute(PropagationQueuingNode.java:394)
at
org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1486)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:158)
at
org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:122)
at
org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:80)
at
org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:28)
at
org.mule.module.drools.Drools.assertEvent(Drools.java:165)
at
org.mule.module.bpm.Rules.handleEvent(Rules.java:131)
at
org.mule.module.bpm.RulesComponent.doInvoke(RulesComponent.java:84)
at org.mule.component.AbstractComponent.invokeInternal(AbstractComponent.java:120)
at
org.mule.component.AbstractComponent.access$000(AbstractComponent.java:56)
at
org.mule.component.AbstractComponent$1$1.process(AbstractComponent.java:234)
at org.mule.processor.chain.DefaultMessageProcessorChain.doProcess(DefaultMessageProcessorChain.java:88)
at
org.mule.processor.chain.AbstractMessageProcessorChain.process(AbstractMessageProcessorChain.java:89)
at
org.mule.processor.chain.InterceptingChainLifecycleWrapper.doProcess(InterceptingChainLifecycleWrapper.java:63)
at
org.mule.processor.chain.AbstractMessageProcessorChain.process(AbstractMessageProcessorChain.java:89)
at
org.mule.processor.chain.InterceptingChainLifecycleWrapper.process(InterceptingChainLifecycleWrapper.java:94)
at
org.mule.component.AbstractComponent.process(AbstractComponent.java:154)
at
org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:93)
at
org.mule.interceptor.AbstractEnvelopeInterceptor.process(AbstractEnvelopeInterceptor.java:55)
at
org.mule.processor.AsyncInterceptingMessageProcessor.processNextTimed(AsyncInterceptingMessageProcessor.java:118)
at org.mule.processor.SedaStageInterceptingMessageProcessor$SedaStageWorker.doWork(SedaStageInterceptingMessageProcessor.java:197)
at
org.mule.processor.SedaStageInterceptingMessageProcessor$SedaStageWorker.doRun(SedaStageInterceptingMessageProcessor.java:178)
at
org.mule.work.AbstractMuleEventWork.run(AbstractMuleEventWork.java:43)
at org.mule.work.WorkerContext.run(WorkerContext.java:309)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Thanks &
Regards,
Hari Kishan T