[gatein-issues] [JBoss JIRA] (GTNPORTAL-3122) Errors are not handled correctly in UIPortletActionListener.handleErrorResponse

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/GTNPORTAL-3122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12787640#comment-12787640 ] 

RH Bugzilla Integration commented on GTNPORTAL-3122:
----------------------------------------------------

Honza Fnukal <hfnukal at redhat.com> changed the Status of [bug 973716|https://bugzilla.redhat.com/show_bug.cgi?id=973716] from MODIFIED to ON_QA
                
> Errors are not handled correctly in UIPortletActionListener.handleErrorResponse
> -------------------------------------------------------------------------------
>
>                 Key: GTNPORTAL-3122
>                 URL: https://issues.jboss.org/browse/GTNPORTAL-3122
>             Project: GateIn Portal
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: WebUI
>    Affects Versions: 3.6.0.Beta02
>            Reporter: Martin Weiler
>            Assignee: Lucas Ponce
>             Fix For: 3.6.0.Final
>
>         Attachments: reproducer-for-GTNPORTAL-3122.zip
>
>
> When a portlet is running into a NoClassDefFoundError in processAction method, this error is not handled properly in UIPortletActionListener.handleErrorResponse:
> {code:title=UIPortletActionListener.java|borderStyle=solid}
>         private void handleErrorResponse(ErrorResponse response) throws Exception {
>             throw (Exception) response.getCause();
>         }
> {code} 
> This code tries to cast the Throwable to Exception, resulting in a ClassCastException which hides the real error. As a result, it is not possible to see the root cause of the issue in the log file.

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