[ http://issues.apache.org/struts/browse/WW-733?page=all ]
Rainer Hermanns reassigned WW-733:
----------------------------------
Assign To: Rainer Hermanns
> Unmapped action results in a Server 500 error on Tomcat 5.x
> -----------------------------------------------------------
>
> Key: WW-733
> URL: http://issues.apache.org/struts/browse/WW-733
> Project: Struts Action 2
> Type: Bug
> Components: Dispatch
> Versions: WW 2.1.7
> Environment: Windows XP, Tomcat 5.0.30 (also tested on Tomcat 5.5)
> Reporter: Erik Pilz
> Assignee: Rainer Hermanns
> Fix For: 2.0
>
> Browsing to an unmapped action results in a Server 500 error on Tomcat 5.x.
> Steps to reproduce:
> 1. Add webwork-example.war to a new installation of Tomcat 5.x.
> 2. Start the application and browse to
> http://localhost:8080/webwork-example/blah.action.
> Expected result:
> An HTTP status code of 404 and to be forwarded to the 404 error page.
> Actual result:
> HTTP status code of 500 and forwarded to the 500 error page.
> To verify that the behavior is specific to Tomcat, I loaded
> webwork-example.war onto Resin 3.0.10. Browsing to
> http://localhost:8080/webwork-example/blah.action produces the expected
> result (404). I have not tested this with any other application servers.
> I was able to isolate the problem and found that it is caused by setting the
> exception attributes in the sendError() method in
> com.opensymphony.webwork.dispatcher.ServletDispatcher. Apparently setting the
> request attribute javax.servlet.error.exception or
> javax.servlet.jsp.jspException will cause Tomcat to later change the status
> code to HttpServletResponse.SC_INTERNAL_SERVER_ERROR (500). I stepped through
> the ServletDispatcher code in a debugger and found that the status code is
> set to 404 before the service() method returns so the status change must
> occur somewhere in Tomcat.
> I don?t know much about Tomcat internals, but I think the issue can be traced
> to org.apache.catalina.core.StandardHostValve. After the request has been
> processed, there?s a test for javax.servlet.error.exception. If a Throwable
> object exists, it is processed by a method called throwable() that sets
> several attributes and finds the error page to forward to. In this method the
> status code is set to HttpServletResponse.SC_INTERNAL_SERVER_ERROR (500).
> I couldn't find anything in the Servlet 2.4 spec that describes the usage of
> javax.servlet.error.exception so I don't know if this is a Tomcat issue or a
> WebWork issue.
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