[jboss-jira] [JBoss JIRA] Closed: (JBRULES-749) Null Pointer Exception in"org.drools.reteoo.RuleTerminalNode.retractTuple"

[Edson Tirelli (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-749?page=all ]

Edson Tirelli closed JBRULES-749.
---------------------------------

    Fix Version/s: 3.1-m2
       Resolution: Out of Date

I just tested in trunk and it is not raising exceptions anymore. The only problem I found is that as no-loop only prevents the same rule from activating, the attached rule-set is in loop because of rules 2 and 4. A simple fix, just for the sake of the test is to rewrite rule 2 as:

rule "Rule-2"
    no-loop true
when
	$m : Machine( entryAlreadyCreated == false )
then
	System.out.println("DEBUG [Rule-2]---> Add Machine to MachineEntry");
	MachineEntry me = new MachineEntry();
	me.setMachine($m);
	assert(me);
	$m.setEntryAlreadyCreated( true );
	modify( $m );
end

Thank you for reporting and providing test cases. Let us know if you are still having problems.
 

> Null Pointer Exception in"org.drools.reteoo.RuleTerminalNode.retractTuple"
> --------------------------------------------------------------------------
>
>                 Key: JBRULES-749
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-749
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 3.1-m1
>         Environment: Windows XP SP2, JVM1.4
>            Reporter: Michael Anstis
>         Assigned To: Edson Tirelli
>             Fix For: 3.1-m2
>
>         Attachments: jira-749.jar, Re rules-users Null Pointer Exceptioninorg.drools.reteoo.RuleTerminalNode.retractTuple.txt
>
>
> Null Pointer Exception thrown when running rule "Rule-4 (Null Pointer Exception)" see attachment for complete, re-producible example.

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