[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-1444) Potential "smal" memory leak

[Yves Galante (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1444?page=all ]

Yves Galante resolved JBRULES-1444.
-----------------------------------

    Resolution: Duplicate Issue

Fixe of JBRULES-1392 has been fix  this bug.

> Potential "smal" memory leak
> ----------------------------
>
>                 Key: JBRULES-1444
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1444
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Reteoo
>    Affects Versions: FUTURE, 4.0.4
>            Reporter: Yves Galante
>         Attachments: drools-compiler-patch.txt, drools-core-patch.txt, drools-core-patch.txt, MemoryLeakTest.zip
>
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
>
> Class VariableContextEntry and ReturnValueContextEntry are instantiated when Package.addRule called.
> "Package rules" like there class..
>         "Package => ... =>  VariableContextEntry
> But class have a reference  to the InternalWorkingMemory !
>         "Package => ... => VariableContextEntry => Workingmemory"
> When test case is executed "testExemple32", at the end of the execution, WorkingMemory need to be garbage collected, but it isn't because she is referenced by ReturnValueContextEntry and/or VariableContextEntry, and this class keeps an reference to the WorkingMemory.
> I think this can be generate an "smal" memory leak.
> This memory leak generated is not "infinity", the maximum size of this memory leak is "~ size(WorkingMemory + Facts)  x  number rules on the rules base".
> It is right ?
> The membre workingMemory can't be removed from VariableContextEntry/ReturnValueContextEntry ?
> I have make a patch with this, all junit test (core, compiler) has been passed.
> ps:
> The patch remove membre workingMemory.

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