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java.lang.OutOfMemoryError: GC overhead limit exceeded	at org.drools.core.reteoo.NotNode.createLeftTuple(NotNode.java:121)	at org.drools.core.phreak.PhreakJoinNode.insertChildLeftTuple(PhreakJoinNode.java:485)	at org.drools.core.phreak.PhreakJoinNode.doLeftInserts(PhreakJoinNode.java:115)	at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:76)	at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519)	at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505)	at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)	at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136)	at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94)	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:970)	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1312)	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1251)	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1359)	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1350)	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1331)	at com.sample.Drools.DroolsAcquisitionList.fireAllRules(DroolsAcquisitionList.java:146)	at com.nais.spla.brm.main.Messages.SerializedPRListMessage.processMessage(SerializedPRListMessage.java:84)	at com.nais.spla.brm.main.BusinessRulesManager.parseMessage(BusinessRulesManager.java:312)	at com.nais.spla.brm.main.BusinessRulesManager.onMessage(BusinessRulesManager.java:281)	at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1403)	at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:131)	at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:202)	at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:133)	at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)