[jboss-jira] [JBoss JIRA] (DROOLS-634) Exception thrown from WorkingMemoryLogger randomly when simultaneous evaluation taking place by different threads

[ https://issues.jboss.org/browse/DROOLS-634?page=com.atlassian.jira.plugin... ] Mateusz Patelak commented on DROOLS-634: ---------------------------------------- Hi, getting the same issue, but with Drools 6.3.0.Final. The stack trace is slightly different: java.lang.NullPointerException at org.drools.core.reteoo.RuleTerminalNodeLeftTuple.getDeclarationIds(RuleTerminalNodeLeftTuple.java:394) at org.drools.core.audit.WorkingMemoryLogger.extractDeclarations(WorkingMemoryLogger.java:329) at org.drools.core.audit.WorkingMemoryLogger.matchCreated(WorkingMemoryLogger.java:273) at org.drools.core.event.AgendaEventSupport.fireActivationCreated(AgendaEventSupport.java:58) at org.drools.core.phreak.PhreakRuleTerminalNode.doLeftTupleInsert(PhreakRuleTerminalNode.java:110) at org.drools.core.phreak.PhreakRuleTerminalNode.doLeftInserts(PhreakRuleTerminalNode.java:84) at org.drools.core.phreak.PhreakRuleTerminalNode.doNode(PhreakRuleTerminalNode.java:57) at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:318) at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:166) at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:123) at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194) at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73) at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:978) at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1292) at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1294) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1281) at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1260) The error is intermittent and I couldn't reproduce. -- This message was sent by Atlassian JIRA (v6.4.11#64026)