[jboss-jira] [JBoss JIRA] (DROOLS-1233) Memory references to removed facts are retained for certain rules

[Tibor Zimányi (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-1233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tibor Zimányi closed DROOLS-1233.
---------------------------------
    Resolution: Duplicate Issue


Closing this as it is marked as a duplicate. 

> Memory references to removed facts are retained for certain rules
> -----------------------------------------------------------------
>
>                 Key: DROOLS-1233
>                 URL: https://issues.jboss.org/browse/DROOLS-1233
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 6.4.0.Final
>            Reporter: Jon Kranes
>            Assignee: Mario Fusco
>         Attachments: drools-memory-test.zip, gc-root.jpg, gc-root.tiff, heap-dump.jpg, heap-dump.tiff
>
>
> Given a simple rule of a specific pattern, Drools maintains references in a stateful session to fact objects even after the facts have been withdrawn from working memory.
> For example, given the following rule:
> {code}
> rule "TestRule"
> 	when
> 		$tc : TestClass()
> 		not TestClass2(name == $tc.name)
> 	then
> 		insert(new TestClass2($tc.getName()));
> 	end
> {code}
> Drools will maintain an internal reference to instances of TestClass even after they have been explicitly deleted from the session.



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