[jboss-jira] [JBoss JIRA] (DROOLS-752) Incremental update leaks globals

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-752.
--------------------------------
    Fix Version/s: 6.3.0.Beta1
       Resolution: Done


Fixed by https://github.com/droolsjbpm/droolsjbpm-knowledge/commit/302c4741f and https://github.com/droolsjbpm/drools/commit/10feeb263

> Incremental update leaks globals
> --------------------------------
>
>                 Key: DROOLS-752
>                 URL: https://issues.jboss.org/browse/DROOLS-752
>             Project: Drools
>          Issue Type: Feature Request
>          Components: core engine
>    Affects Versions: 6.2.0.Final
>         Environment: Mac OS X 10.10.2, Oracle Hotspot 1.7.0_71
>            Reporter: Duncan Doyle
>            Assignee: Mario Fusco
>             Fix For: 6.3.0.Beta1
>
>
> The incremental update feature of Drools allows me to incrementally update not only the KieBase, but also the KieSession. I have a use-case where my updated rules have different globals defined (different classes) than the original rules, with different names.
> When I set a global on a KieSession, Drools explicitly checks whether that global is defined in the KieBase, and if not, it will throw an error. However, when I incrementally update the KieBase, and a global is removed from the rulebase, that global is not removed from the MapGlobalResolver map, potentially causing issues (e.g. memory leaks).
> When a session is incrementally updated, and globals are no longer defined in the new rule-base, they should be removed from the MapGlobalResolver.
> See reproducer here: http://www.github.com/DuncanDoyle/drools-incremental-update-globals-leak
> Clone the repo and run 'mvn clean test'.



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