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https://issues.jboss.org/browse/JBSEAM-4863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marek Novotny closed JBSEAM-4863.
---------------------------------
I am closing the issue. All issues has to be filed against 2.3.0.Final from
now.
> Memory Leak when calling @Destroy (with SFSBs)
> ----------------------------------------------
>
> Key: JBSEAM-4863
> URL: https://issues.jboss.org/browse/JBSEAM-4863
> Project: Seam 2
> Issue Type: Bug
> Affects Versions: 2.2.2.Final
> Environment: JBoss AS 5.1.0.GA
> Reporter: Daniel Lechner
> Assignee: Vaclav Dedik
> Labels: conversation, destroy
> Fix For: 2.3.0.CR1
>
> Attachments: JBSEAM-4863.zip
>
> Original Estimate: 3 days
> Remaining Estimate: 3 days
>
> In an example-project, we have 2 Seam components, one POJO and one SFSB. The
> POJO-component uses the SFSB-component via Seam-DI (@In). The POJO-component
> has a method annotated with @Destroy.
> We are using the POJO-component in a (long-running-)conversation. So the
> POJO-component as well as the SFSB-component will be created within the
> conversation.
> When the conversation ends and all components will be removed, the
> @Destroy-methods of all seam-components are called one after each other. The
> order, the @Destroy-methods are called, depend on the hashCode of the
> seam-name of the components (the component-names are put into an
> java.util.HashSet in the method
> org.jboss.seam.contexts.ServerConversationContext.getNamesFromSession() - the
> for-loop of the method org.jboss.seam.contexts.Contexts.destroy iterates
> through this HashSet afterwards).
> If the component-names are chosen this way, that the SFSB-component will be
> removed before the POJO-component is removed, a memory leak occurs:
> 1. the SFSB-component is destroyed by seam - the container removes the
> SFSB (the @Remove-method of the SFSB is called)
> 2. the @Destroy-method of the POJO-component is called. But before,
> Seam-DI creates a new SFSB-component TestEJB because of the @In-annotation
> 3. the POJO-component is removed from the conversation (and later by the
> GC)
> 4. the SFSB-component's @Remove-method is not called again - the container
> keeps the SFSB-instance
> An example-code can be found in the forum reference
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