null pointer with number comparison.. ------------------------------------- Key: JBRULES-627 URL: http://jira.jboss.com/jira/browse/JBRULES-627 Project: JBoss Rules Issue Type: Bug Security Level: Public (Everyone can see) Affects Versions: 3.0.4 Environment: Windows XP or Solaris Sun JDK 1.4.2 Drools 3.0.4 distribution Reporter: Sachin Holla 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 != -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira