[jboss-jira] [JBoss JIRA] Created: (JBRULES-1443) retract of Fact Template leads to NPE

[greywind (JIRA)]

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


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