retract of Fact Template leads to NPE ------------------------------------- Key: JBRULES-1443 URL: http://jira.jboss.com/jira/browse/JBRULES-1443 Project: JBoss Drools Issue Type: Bug Security Level: Public (Everyone can see) Reporter: greywind If a Fact that is based on a template gets retracted the following NPE occurs java.lang.NullPointerException at org.drools.reteoo.Rete.retractObject(Rete.java:204) at org.drools.reteoo.ReteooRuleBase.retractObject(ReteooRuleBase.java:211) at org.drools.reteoo.ReteooWorkingMemory.doRetract(ReteooWorkingMemory.java:79) at org.drools.common.AbstractWorkingMemory.retract(AbstractWorkingMemory.java:1022) at org.drools.common.TruthMaintenanceSystem$LogicalRetractCallback.execute(TruthMaintenanceSystem.java:150) at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:914) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:881) at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:81) at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:75) at org.drools.entity.Rule_Check_Dups_0.consequence(Rule_Check_Dups_0.java:12) at org.drools.entity.Rule_Check_Dups_0ConsequenceInvoker.evaluate(Rule_Check_Dups_0ConsequenceInvoker.java:22) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) at org.drools.entity.EntityTest.main(EntityTest.java:307) Exception in thread "main" org.drools.spi.ConsequenceException: java.lang.NullPointerException at org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:14) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) at org.drools.entity.EntityTest.main(EntityTest.java:307) Caused by: java.lang.NullPointerException at org.drools.reteoo.Rete.retractObject(Rete.java:204) at org.drools.reteoo.ReteooRuleBase.retractObject(ReteooRuleBase.java:211) at org.drools.reteoo.ReteooWorkingMemory.doRetract(ReteooWorkingMemory.java:79) at org.drools.common.AbstractWorkingMemory.retract(AbstractWorkingMemory.java:1022) at org.drools.common.TruthMaintenanceSystem$LogicalRetractCallback.execute(TruthMaintenanceSystem.java:150) at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:914) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:881) at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:81) at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:75) at org.drools.entity.Rule_Check_Dups_0.consequence(Rule_Check_Dups_0.java:12) at org.drools.entity.Rule_Check_Dups_0ConsequenceInvoker.evaluate(Rule_Check_Dups_0ConsequenceInvoker.java:22) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550) ... 4 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira