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

[Martin Weiler (JIRA)]

Martin Weiler created GTNPORTAL-3122:
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             Summary: 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


When a portlet is running into a NoClassDefFoundError in processAction method, this error is not handled properly in UIPortletActionListener.handleErrorResponse:

{code:titleUIPortletActionListener.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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