[rules-dev] Sudoku example on 4.0 MR2

[webbo]

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?

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