[jboss-jira] [JBoss JIRA] (DROOLS-623) Rule with NOT causes excessive firing of the rule

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco reassigned DROOLS-623:
----------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)


> Rule with NOT causes excessive firing of the rule
> -------------------------------------------------
>
>                 Key: DROOLS-623
>                 URL: https://issues.jboss.org/browse/DROOLS-623
>             Project: Drools
>          Issue Type: Bug
>    Affects Versions: 6.1.0.Final, 6.2.0.Beta1
>            Reporter: Anantjot Anand
>            Assignee: Mario Fusco
>         Attachments: TestNotSubnetworkIssue.java
>
>
> Debugging of the issue points to De-Activation not able to happen due to RuleExecutor not set dirty upon the call made to BetaNode [line: 369] - doDeleteRightTuple(RightTuple, InternalWorkingMemory, BetaMemory) during reEvaluateNetwork after first time fire of the rule. Further drilling into doDeleteRightTuple indicates memory.unlinkNode(wm) call fails in 
> PathMemory.unlinkedSegment as it finds the isRuleLinked() to be false.
> if (linkedRule && !isRuleLinked()) {
>             doUnlinkRule(wm);
>         }
> Please see the attached junit test case reproducing the issue. There are two rules R1 and R2. R1 sets up criteria needed by R2. 
> There are two changes that make this issue not appear.
> 1) Setting the value required by (inside the NOT clause) rule before calling  fireAllRules.
> 2) Removing the NOT clause from R2.



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