DO NOT REPLY [Bug 17736] New: - RequestDispatcher.include/forward deal checked Exception incorrectly

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=17736

RequestDispatcher.include/forward deal checked Exception incorrectly

           Summary: RequestDispatcher.include/forward deal checked Exception
                    incorrectly
           Product: Tomcat 5
           Version: 5.0.1
          Platform: Sun
        OS/Version: Solaris
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Servlet & JSP API
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: dianne.jiao@sun.com
                CC: Ryan.Lubke@Sun.COM


Using RequestDispatcher in Servlet1 to include or forward to Servlet2,
IOException thrown in Servlet2 didn't get propagated property back to Servlet1,
exception type is lost.

Code in Servlet1:

    public void includeCheckedException(ServletRequest request, ServletResponse
response)
                                       throws ServletException, IOException
    {
        PrintWriter pw = response.getWriter();

        String path = "include/IncludedServlet?testname=checkedException";
        RequestDispatcher rd = request.getRequestDispatcher(path);

        if ( rd == null )
            pw.println( "Null RequestDispatcher got for path=" + path);
        else {
            try {
                rd.include(request, response);
                pw.println("Test FAILED with no propagation of IOException from
"
                           + "IncludedServlet to TestServlet.");

            } catch (IOException e) {
                pw.println("Test PASSED with proper propagation of IOException "
                           + "from IncludedServlet to TestServlet:"
                           + e.getMessage());

            } catch (Exception ex)  {
                pw.println("Test FAILED with propagation of IOException from "
                           + "IncludedServlet to TestServlet - wrong type of "
                           + "Exception caught by TestServlet: " +
ex.getMessage());
            }
        }
    }



Code In Servlet2:
    public void checkedException(ServletRequest request, ServletResponse
response)
                                throws ServletException, IOException
    {
        throw new IOException("IOException_from_checkedException");
    }

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