[
https://issues.jboss.org/browse/DROOLS-690?page=com.atlassian.jira.plugin...
]
Mario Fusco resolved DROOLS-690.
--------------------------------
Fix Version/s: 6.2.0.Final
Resolution: Done
Fixed by
https://github.com/droolsjbpm/drools/commit/30b295c7c50d3ab283c22bab025bb...
Deadlock on LeftTupleSets
-------------------------
Key: DROOLS-690
URL:
https://issues.jboss.org/browse/DROOLS-690
Project: Drools
Issue Type: Bug
Reporter: Mario Fusco
Assignee: Mario Fusco
Fix For: 6.2.0.Final
The following deadlock has been reported:
{code}
Java stack information for the threads listed above:
===================================================
"drools-worker-2":
at
org.drools.core.common.DefaultAgenda.addEagerRuleAgendaItem(DefaultAgenda.java:282)
- waiting to lock <0x00000007d8fc80d0> (a java.util.LinkedList)
at org.drools.core.reteoo.PathMemory.queueRuleAgendaItem(PathMemory.java:153)
at org.drools.core.reteoo.PathMemory.doLinkRule(PathMemory.java:120)
- locked <0x00000007d91f34d0> (a org.drools.core.reteoo.PathMemory)
at org.drools.core.reteoo.PathMemory.linkSegment(PathMemory.java:90)
at
org.drools.core.reteoo.SegmentMemory.notifyRuleLinkSegment(SegmentMemory.java:170)
at
org.drools.core.reteoo.LeftInputAdapterNode$LiaNodeMemory.setNodeDirty(LeftInputAdapterNode.java:645)
at
org.drools.core.reteoo.LeftInputAdapterNode.doUpdateSegmentMemory(LeftInputAdapterNode.java:396)
- locked <0x00000007d91f68a8> (a java.lang.Object)
at
org.drools.core.reteoo.LeftInputAdapterNode.doUpdateObject(LeftInputAdapterNode.java:366)
at
org.drools.core.reteoo.LeftInputAdapterNode.modifyObject(LeftInputAdapterNode.java:436)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:512)
at
org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:437)
at org.drools.core.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:382)
at org.drools.core.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:273)
at org.drools.core.common.NamedEntryPoint.update(NamedEntryPoint.java:511)
at
org.drools.core.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:385)
at
drools.core.Rule_vme$u46$phases_inconnues1199361134.defaultConsequence(Rule_vme$u46$phases_inconnues1199361134.java:19)
at
drools.core.Rule_vme$u46$phases_inconnues1199361134DefaultConsequenceInvokerGenerated.evaluate(Unknown
Source)
at
drools.core.Rule_vme$u46$phases_inconnues1199361134DefaultConsequenceInvoker.evaluate(Unknown
Source)
at org.drools.core.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1046)
- locked <0x00000007d8fc8080> (a org.drools.core.common.DefaultAgenda)
at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:152)
at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:100)
- locked <0x00000007d9335498> (a org.drools.core.phreak.RuleExecutor)
at
org.drools.core.phreak.PhreakTimerNode$Executor.evauateAndFireRule(PhreakTimerNode.java:483)
at
org.drools.core.phreak.PhreakTimerNode$TimerNodeJob$1.run(PhreakTimerNode.java:420)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
"Drools thread":
at
org.drools.core.common.SynchronizedLeftTupleSets.takeAll(SynchronizedLeftTupleSets.java:44)
- waiting to lock <0x00000007d91f68a8> (a java.lang.Object)
at
org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:112)
at org.drools.core.phreak.RuleExecutor.evaluateNetwork(RuleExecutor.java:77)
- locked <0x00000007d9334c40> (a org.drools.core.phreak.RuleExecutor)
at
org.drools.core.common.DefaultAgenda.evaluateEagerList(DefaultAgenda.java:990)
- locked <0x00000007d8fc80d0> (a java.util.LinkedList)
at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:945)
at org.drools.core.common.DefaultAgenda.fireUntilHalt(DefaultAgenda.java:1190)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:1329)
at
org.drools.core.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:1306)
at drools.core.Core$2.run(Core.java:495)
at java.lang.Thread.run(Thread.java:744)
{code}
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