[jboss-jira] [JBoss JIRA] Updated: (JBRULES-798) CLONE -null pointer with number comparison..

[Sanjay Mahurpawar (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-798?page=all ]

Sanjay Mahurpawar updated JBRULES-798:
--------------------------------------

    Affects Version/s: 3.0.5
                           (was: 3.0.4)

> CLONE -null pointer with number comparison..
> --------------------------------------------
>
>                 Key: JBRULES-798
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-798
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 3.0.5
>         Environment: Windows XP or Solaris
> Sun JDK 1.4.2
> Drools 3.0.4 distribution
>            Reporter: Sanjay Mahurpawar
>         Assigned To: Mark Proctor
>
> getting a null pointer while asserting fact:
> Caused by: java.lang.NullPointerException
> 	at org.drools.base.evaluators.IntegerFactory$IntegerGreaterEvaluator.evaluate(Unknown Source)
> 	at org.drools.rule.BoundVariableConstraint.isAllowed(Unknown Source)
> 	at org.drools.common.BetaNodeBinder.isAllowed(Unknown Source)
> 	at org.drools.reteoo.TupleSource.attemptJoin(Unknown Source)
> 	at org.drools.reteoo.JoinNode.assertTuple(Unknown Source)
> 	at org.drools.reteoo.LeftInputAdapterNode.createAndAssertTuple(Unknown Source)
> 	at org.drools.reteoo.LeftInputAdapterNode.assertObject(Unknown Source)
> 	at org.drools.reteoo.ObjectSource.propagateAssertObject(Unknown Source)
> 	at org.drools.reteoo.ObjectTypeNode.assertObject(Unknown Source)
> 	at org.drools.reteoo.Rete.assertObject(Unknown Source)
> 	at org.drools.reteoo.ReteooRuleBase.assertObject(Unknown Source)
> 	at org.drools.reteoo.ReteooWorkingMemory.doAssertObject(Unknown Source)
> 	at org.drools.common.AbstractWorkingMemory.assertObject(Unknown Source)
> 	at org.drools.common.AbstractWorkingMemory.assertObject(Unknown Source)
> Rule is something like this:
> rule "Greater Than with NULL number!!"
> when
>     MyFact ( integerAttribute > 10 )
> then
>    .....
> end
> the *intergerAttribute* is of type java.lang.Integer and value is *null*.
> no such problem if expression changed to *integerAttribute == 10* or !=

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