Hi,<br><br>Using version 3.0.6 of jboss rules, while retracting an object, I get the following:<br><br> java.lang.NullPointerException<br> at org.drools.reteoo.beta.InstanceEqualConstrRightMemory.remove(Unknown Source)<br>
at org.drools.reteoo.BetaMemory.remove
(Unknown Source)<br> at org.drools.reteoo.NotNode.retractObject(Unknown Source)<br> at org.drools.reteoo.ObjectSource.propagateRetractObject(Unknown Source)<br> at org.drools.reteoo.RightInputAdapterNode.retractTuple
(Unknown Source)<br> at org.drools.reteoo.TupleSource.propagateRetractTuple(Unknown Source)<br> at org.drools.reteoo.NotNode.retractTuple(Unknown Source)<br> at org.drools.reteoo.TupleSource.propagateRetractTuple
(Unknown Source)<br> at org.drools.reteoo.JoinNode.retractObject(Unknown Source)<br> at org.drools.reteoo.ObjectSource.propagateRetractObject(Unknown Source)<br> at org.drools.reteoo.ObjectTypeNode.retractObject
(Unknown Source)
<br> at org.drools.reteoo.Rete.retractObject(Unknown Source)<br> at org.drools.reteoo.ReteooRuleBase.retractObject(Unknown Source)<br> at org.drools.reteoo.ReteooWorkingMemory.doRetract(Unknown Source)<br> at
org.drools.common.AbstractWorkingMemory.retractObject(Unknown Source)<br> at org.drools.common.AbstractWorkingMemory.retractObject(Unknown Source)<br> at ascc.rules.AbstractRulesCoordinator.statusChanged(AbstractRulesCoordinator.java
:354)<br> at ascc.rules.AbstractRulesCoordinator$1.statusChanged(AbstractRulesCoordinator.java:111)<br> at ascc.status.BaseStatusBoard.notifyChange(BaseStatusBoard.java:211)<br> at ascc.status.BaseStatusBoard.notifyChange
(BaseStatusBoard.java:191)<br> at ascc.status.DefaultParkingStatusBoard.empty(DefaultParkingStatusBoard.java:318)<br> at ascc.spotting.DefaultSpottingCoordinator.computeInitialSpot(DefaultSpottingCoordinator.java:578)
<br> at ascc.spotting.DefaultSpottingCoordinator.statusCreated(DefaultSpottingCoordinator.java:827)<br> at ascc.status.BaseStatusBoard.notifyCreate(BaseStatusBoard.java:100)<br> at ascc.status.BaseStatusBoard.notifyCreate
(BaseStatusBoard.java:80)<br> at ascc.status.DefaultAirPlanStatusBoard.missionAssignmentComplete(DefaultAirPlanStatusBoard.java:479)<br> at ascc.missionassignment.Rule_6___Complete_mission_assignment_for_event_0.consequence
(Rule_6___Complete_mission_assignment_for_event_0.java:36)<br> at ascc.missionassignment.Rule_6___Complete_mission_assignment_for_event_0ConsequenceInvoker.evaluate(Rule_6___Complete_mission_assignment_for_event_0ConsequenceInvoker.java:24)
<br> ... 7 more<br><br>Is there something I could be doing wrong? Is this a known bug?<br><br>Thanks,<br>-Chris<br>