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From "Carlin Rogers (JIRA)" <...@beehive.apache.org>
Subject [jira] Created: (BEEHIVE-1130) ClassCastException in the DefaultExceptionsHandler when handling JSP rendering exceptions on a direct call to a JSP
Date Wed, 28 Jun 2006 16:41:29 GMT
ClassCastException in the DefaultExceptionsHandler when handling JSP rendering exceptions on
a direct call to a JSP
-------------------------------------------------------------------------------------------------------------------

         Key: BEEHIVE-1130
         URL: http://issues.apache.org/jira/browse/BEEHIVE-1130
     Project: Beehive
        Type: Bug

  Components: NetUI  
    Versions: 1.0.1, v.next    
    Reporter: Carlin Rogers


When a request is made directly to a JSP (not via a page flow) and the rendering of the JSP
throws an exception, the PageFlowPageFilter will catch the exception and try to use the DefaultExceptionsHandler.
However, the DefaultExceptionsHandler expects the request to be a PageFlowRequestWrapper and
calls PageFlowRequestWrapper.get(). In this scenario, the request is not a PageFlowRequestWrapper
so the get() method throws either an AssertException (when checking for the PageFlowRequestWrapper)
or a ClassCastException when running without asserts.

Here's an example stack trace...
java.lang.ClassCastException: org.apache.coyote.tomcat5.CoyoteRequestFacade
        at org.apache.beehive.netui.pageflow.internal.PageFlowRequestWrapper.get(PageFlowRequestWrapper.java:60)
        at org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler.handleException(DefaultExceptionsHandler.java:110)
        at org.apache.beehive.netui.pageflow.FlowController.handleException(FlowController.java:272)
        at org.apache.beehive.netui.pageflow.PageFlowPageFilter.handleException(PageFlowPageFilter.java:440)
        at org.apache.beehive.netui.pageflow.PageFlowPageFilter.runPage(PageFlowPageFilter.java:354)
        at org.apache.beehive.netui.pageflow.PageFlowPageFilter.doFilter(PageFlowPageFilter.java:251)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)

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