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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 11865] New: - forward from root context always fails
Date Tue, 20 Aug 2002 15:20:14 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11865

forward from root context always fails

           Summary: forward from root context always fails
           Product: Tomcat 4
           Version: 4.0.4 Final
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: hmm_@yoyomail.com


Attempting to forward from the root context to another context always fails

Here are the steps to replicate this problem:

1. Modify server.xml by adding the following:
 <Context path="" docBase="ROOT" debug="0" crossContext="true"/>
 <Context path="/context1" docBase="context1" debug="0" crossContext="true"/>
 <Context path="/context2" docBase="context2" debug="0" crossContext="true"/>

2. Create the following jsp files:
  /index.jsp and /context1/context1.jsp:
    <%
      getServletContext().getContext("/context2").getRequestDispatcher
("/context2.jsp").forward(request, response);
    %>

  /context2/context2.jsp:
    This is context2.jsp

3. Try to access http://localhost:8080/context1/context1.jsp and notice that 
this successfully forwards to /context2/context2.jsp

4. Try to access http://localhost:8080 or http://localhost:8080/index.jsp and 
notice that this fails even though /index.jsp contains the same code 
as /context1/context1.jsp

I believe (although I have not tested this) that the error lies in the 
file /catalina/src/share/org/apache/catalina/core/ApplicationContext.java lines 
440-448:

 440               
 441                       // Return the current context if requested
 442                       String contextPath = context.getPath();

 
 443 remm     1.37         if (!contextPath.endsWith("/"))
 444                           contextPath = contextPath + "/";
 445                       if ((contextPath.length() > 0) && (uri.startsWith
(contextPath))) {

 
 446 pier     1.29             return (this);
 447                       }
 448               
 
It seems like the above code will always return the current context of / when 
forwarding from / since all uri's start with /

I believe this may have been working in version 1.36 of the file 
ApplicationContext.java but stopped working in version 1.37 (the test used to 
be uri.equals instead of uri.startsWith).

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