[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-636) Session-scoped SFSB that uses @Unwrap does not get destroyed correctly on session timeout

[Daniel Young (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBSEAM-636?page=comments#action_12349599 ] 
            
Daniel Young commented on JBSEAM-636:
-------------------------------------

Component.callDestroyMethod(instance) gets passed the instance of the object that was unwrapped rather than the managing SFSB instance.

Perhaps it needs logic to say that if the component has an unwrap method, we need to use not the "instance" that gets passed in, but to somehow navigate back to the component instance that did the unwrapping in the first place.


> Session-scoped SFSB that uses @Unwrap does not get destroyed correctly on session timeout
> -----------------------------------------------------------------------------------------
>
>                 Key: JBSEAM-636
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-636
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.0.GA
>            Reporter: Daniel Young
>         Attachments: UserManagerBean.java
>
>
> If a SFSB Seam component in the session scope uses @Unwrap to expose a non-Seam component, then an error occurs on session timeout:
> java.lang.IllegalArgumentException: method not found: destroy for component: user (check that it is 
> declared on the session bean business interface)
> 	at org.jboss.seam.Component.callComponentMethod(Component.java:1809)
> 	at org.jboss.seam.Component.callDestroyMethod(Component.java:1747)
> 	at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:189)
> 	at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:230)
> 	at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:45)
> 	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:687)
> 	at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:579)
> 	at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:678)
> 	at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:663)
> 	at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1284)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBas
> e.java:1569)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBas
> e.java:1578)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBas
> e.java:1578)
> 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
> 	at java.lang.Thread.run(Thread.java:595)
> Caused by: java.lang.NoSuchMethodException: entity.User.destroy()
> 	at java.lang.Class.getMethod(Class.java:1581)
> 	at org.jboss.seam.Component.callComponentMethod(Component.java:1788)
> 	... 14 more
> Seam is looking for a destroy() method on the object that is unwrapped, NOT on the managing SFSB.

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