[jboss-jira] [JBoss JIRA] (DROOLS-211) Race condition causing jitting error

Race condition causing jitting error ------------------------------------ Key: DROOLS-211 URL: https://issues.jboss.org/browse/DROOLS-211 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 5.5.1.Final Reporter: Ming Fang Assignee: Mario Fusco Fix For: 5.5.1.Final, 6.0.0.Final Attachments: JittingTest.java, test.drl When there is a rule that retracts a fact while a MvelConstraint.ConditionJitter task runs, then sometimes the jitting task fails with this error... java.lang.NullPointerException at org.drools.base.defaultpkg.Person13506221$getField10.getValue(Unknown Source) at org.drools.base.ClassFieldReader.getValue(ClassFieldReader.java:87) at org.drools.rule.Declaration.getValue(Declaration.java:233) at org.drools.base.mvel.MVELCompilationUnit.updateFactory(MVELCompilationUnit.java:344) at org.drools.base.mvel.MVELCompilationUnit.updateFactory(MVELCompilationUnit.java:289) at org.drools.rule.constraint.MvelConditionEvaluator.evaluate(MvelConditionEvaluator.java:62) at org.drools.rule.constraint.MvelConditionEvaluator.ensureBranchEvaluation(MvelConditionEvaluator.java:120) at org.drools.rule.constraint.MvelConditionEvaluator.ensureCompleteEvaluation(MvelConditionEvaluator.java:105) at org.drools.rule.constraint.MvelConditionEvaluator.ensureCompleteEvaluation(MvelConditionEvaluator.java:93) at org.drools.rule.constraint.MvelConditionEvaluator.getAnalyzedCondition(MvelConditionEvaluator.java:85) at org.drools.rule.constraint.MvelConstraint.executeJitting(MvelConstraint.java:284) at org.drools.rule.constraint.MvelConstraint.access$200(MvelConstraint.java:54) at org.drools.rule.constraint.MvelConstraint$ConditionJitter.run(MvelConstraint.java:263) 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:662)