Could be a bug that has been fixed in some later version - can someone confirm this please?
OP is using drools 5.1.1, and should try 5.6. -W On 05/03/2014, Mallikarjun Kohalli (mkohalli) <mkoha...@cisco.com> wrote: > Hi All, > We are getting the following exceptions when drools is executing some > rules. > > Exception: > > Caused by: java.lang.NullPointerException > at > org.drools.core.util.LeftTupleIndexHashTable.remove(LeftTupleIndexHashTable.java:251) > at org.drools.reteoo.NotNode.retractLeftTuple(NotNode.java:226) > at > org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateRetractLeftTuple(SingleLeftTupleSinkAdapter.java:217) > at > org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateRetractRightTuple(SingleLeftTupleSinkAdapter.java:124) > at org.drools.reteoo.JoinNode.retractRightTuple(JoinNode.java:151) > at > org.drools.reteoo.ObjectTypeNode.retractObject(ObjectTypeNode.java:232) > at > org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteExpireAction.execute(ReteooWorkingMemory.java:412) > at > org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1471) > ... 51 more > > > > Regards, > Mallikarjun K > _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
