Is any one having aproblem getting this to run - I get -


java.lang.NullPointerException
        at org.drools.reteoo.ReteTuple.get(ReteTuple.java:71)
        at
org.drools.common.InstanceNotEqualsConstraint$InstanceNotEqualsConstraintContextEntry.updateFromTuple (InstanceNotEqualsConstraint.java:112)
        at
org.drools.common.TripleBetaConstraints.updateFromTuple(TripleBetaConstraints.java:146)
        at org.drools.reteoo.NotNode.assertTuple(NotNode.java:108)
        at
org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:29)
        at org.drools.reteoo.NotNode.assertTuple(NotNode.java:121)
        at
org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple (SingleTupleSinkAdapter.java:29)
        at org.drools.reteoo.NotNode.assertTuple(NotNode.java:121)
        at
org.drools.reteoo.CompositeTupleSinkAdapter.createAndPropagateAssertTuple(CompositeTupleSinkAdapter.java :73)
        at
org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:144)
        at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:317)
        at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:183)
        at org.drools.reteoo.Rete.assertObject(Rete.java:121)
        at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java :201)
        at
org.drools.reteoo.ReteooWorkingMemory.doAssertObject(ReteooWorkingMemory.java:70)
        at
org.drools.common.AbstractWorkingMemory.assertObject(AbstractWorkingMemory.java:724)
        at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelper.java:72)
        at
org.drools.base.DefaultKnowledgeHelper.assertObject(DefaultKnowledgeHelper.java:66)
        at
test.Rule_Rule_1__If_a_field_has_the_value_0__it_is_empty__remove_it_and_insert_the_PossibleValues_0.consequence (Rule_Rule_1__If_a_field_has_the_value_0__it_is_empty__remove_it_and_insert_the_PossibleValues_0.java:8)
        at
test.Rule_Rule_1__If_a_field_has_the_value_0__it_is_empty__remove_it_and_insert_the_PossibleValues_0ConsequenceInvoker.evaluate (Rule_Rule_1__If_a_field_has_the_value_0__it_is_empty__remove_it_and_insert_the_PossibleValues_0ConsequenceInvoker.java:22)
        at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:497)
        at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:461)
        at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:373)
        at
org.drools.common.AbstractWorkingMemory.fireAllRules (AbstractWorkingMemory.java:354)
        at test.SudokuExample.testWithInput(SudokuExample.java:52)
        at test.SudokuExample.main(SudokuExample.java:91)

I'm working through the code - but anyone else found this?

--
View this message in context: http://www.nabble.com/Sudoku-example-on-4.0-MR2-tf3813556.html#a10795330
Sent from the drools - dev mailing list archive at Nabble.com.

_______________________________________________
rules-dev mailing list
rules-dev@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-dev