DO NOT REPLY [Bug 7686] New: - Issue with pathInfo in complex include() scenarios

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7686

Issue with pathInfo in complex include() scenarios

           Summary: Issue with pathInfo in complex include() scenarios
           Product: Tomcat 4
           Version: 4.0.3 Final
          Platform: PC
               URL: http://www.sysmics.de/download/test.war
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Minor
          Priority: Other
         Component: Unknown
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: a.kandzior@alkacon.de


This is a strange behaviour in Tomcat 4.0.3.

When using inclusion like 

requestDispatcher().include() in servlets or 
<jsp:include page="..." /> in JSP pages, 

pathInfo parameters don't work as expected, and should probably not be used.

This problem appears when you create a servlet that uses the pathInfo part of 
the request to include another resource from the context, especially a JSP 
page. 

Example: 
You have a context "test" and a servlet "test02" that is called 
like "/test/test02/somefile". Then in "test02" you use the pathInfo "/somefile" 
to do something like 
requestDispatcher("/test02/somefile").include(request, response).
Now let's say "somefile" can be "some.jsp" and "test.html", which are pages in 
the context.
If in "some.jsp" there is a statement <jsp:include page="/test02/test.html">, 
and you call "/test/test02/some.jsp" in the browser, inclusion won't work, and 
you will even run in an ugly endless inclusion loop. HOWEVER if you change from 
using pathInfo to "old style" parameters (like /test/test02?file=some.jsp" and  
<jsp:include page="test02?file=test.html"> it works fine. However, I see no 
reason for the pathInfo parameter case not working as well.

I have created a small war archive (http://www.sysmics.de/download/test.war) 
that illustrates the problem and gives plenty of cases. Please have a look at 
the "/index.html" page for an overview.

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