Re: [rules-users] NullPointerException with LeftTupleIndexHashTable.remove()

Here is the unit test. Drools-LeftTupleIndexHashTable-61.zip <http://drools.46999.n3.nabble.com/file/n4028135/Drools-LeftTupleIndexHash... Mark Proctor wrote > Can you paste the 3 rules, that cause the issue? We’ll see if we can gleam > something from that, while we wait for your unit test. > > Mark > On 16 Feb 2014, at 19:25, nxv &lt; > nxvanderlinden@ > &gt; wrote: > >> Hello, >> >> I keep trying to migrate drools from 5.5 to 6 on my project. I found a >> second regression/issue. I'm trying to produce a unit test for >> 6.1.0-SNAPSHOT but I face some difficulties to determine the cause of >> this >> issue. So I have a drl with 3 rules. I'm a bit disappointed because if >> I >> switch two rules (without modifying anything, just switch one rule with >> another in the drl file), the NPE disappears... >> >> >> Here is the stacktrace: >> >> java.lang.NullPointerException >> at >> org.drools.core.util.index.LeftTupleIndexHashTable.remove(LeftTupleIndexHashTable.java:386) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.doUpdatesReorderLeftMemory(RuleNetworkEvaluator.java:799) >> at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:38) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:547) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:533) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:334) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:161) >> at >> org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:116) >> at >> org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:201) >> at >> org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:68) >> at >> org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:935) >> at >> org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1200) >> at >> org.drools.core.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:952) >> at >> org.drools.core.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:926) >> at >> org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:232) >> at >> org.drools.core.command.runtime.rule.FireAllRulesCommand.execute(FireAllRulesCommand.java:106) >> at >> org.drools.core.command.runtime.rule.FireAllRulesCommand.execute(FireAllRulesCommand.java:32) >> at >> org.drools.core.command.runtime.BatchExecutionCommandImpl.execute(BatchExecutionCommandImpl.java:155) >> at >> org.drools.core.command.runtime.BatchExecutionCommandImpl.execute(BatchExecutionCommandImpl.java:76) >> at >> org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:334) >> >> >> >> >> >> -- >> View this message in context: >> http://drools.46999.n3.nabble.com/NullPointerException-with-LeftTupleInde... >> Sent from the Drools: User forum mailing list archive at Nabble.com. >> _______________________________________________ >> rules-users mailing list >> > rules-users@.jboss >> https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > rules-users mailing list > rules-users@.jboss > https://lists.jboss.org/mailman/listinfo/rules-users -- View this message in context: http://drools.46999.n3.nabble.com/NullPointerException-with-LeftTupleInde... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users