[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-2714) Detect swallowed exceptions

[Matt Drees (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBSEAM-2714?page=comments#action_12401898 ] 
            
Matt Drees commented on JBSEAM-2714:
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This is more or less a generalization of JBSEAM-2597.   

> Detect swallowed exceptions
> ---------------------------
>
>                 Key: JBSEAM-2714
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2714
>             Project: JBoss Seam
>          Issue Type: Feature Request
>          Components: Exception Handling
>            Reporter: Matt Drees
>            Priority: Minor
>
> Sometimes exceptions are swallowed by frameworks out of Seam's control (Facelets debug component, for example does this; see http://www.seamframework.org/Community/FetchingDataLazilyOnANewPage#comment9216).  However, a rollback may be triggered by the throwing of such an exception, due to the RollbackInterceptor.
> Because the exception is swallowed, the developer has no immediate indication that an error has occurred, yet the persistence context will be cleared.  It's a very frustrating experience, trust me.
> Could Seam use an interceptor to note when a (non-application) exception is thrown by a Seam component, and if it is not eventually handled by Seam's exception handler at the end of the request, trigger a warning & a stacktrace in the log?

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