[rules-dev] Sudoku example on 4.0 MR2

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.