[jboss-jira] [JBoss JIRA] Created: (JBRULES-780) no-loop results in NullPointer in RuleTerminalNode.retractTuple

[Mark Proctor (JIRA)]

no-loop results in NullPointer in RuleTerminalNode.retractTuple
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                 Key: JBRULES-780
                 URL: http://jira.jboss.com/jira/browse/JBRULES-780
             Project: JBoss Rules
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Reteoo
    Affects Versions: 3.1-m1
            Reporter: Mark Proctor
         Assigned To: Mark Proctor
             Fix For: 3.1-m2


no-loop is currently trapped with:
        // if the current Rule is no-loop and the origin rule is the same then return
        if ( this.rule.getNoLoop() && this.rule.equals( context.getRuleOrigin() ) ) {
            return;
        }

That means we have a tuple that reached the terminal node, but is not added to the memory or an activation created and attached. Thus on a modify or a retract the Tuple reaches the RuleTerminalNode and causes a Null pointer. The Q is, do we just do a null check and return, or do we do another no-loop check, my worry with just a null check is that it may mask other bugs.


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