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Posted to dev@tomcat.apache.org by bu...@apache.org on 2005/04/12 16:19:26 UTC
DO NOT REPLY [Bug 34420] New: - encodeURL adds jsessionid on first requests

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http://issues.apache.org/bugzilla/show_bug.cgi?id=34420

           Summary: encodeURL adds jsessionid on first requests
           Product: Tomcat 5
           Version: 5.5.9
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: laurent.dauvilaire@atosorigin.com


HttpServletResponse.encodeURL(String url) is returning an encoded url (ie. 
adding the ";jsessionid=" + sessionId) during the generation of the response 
of the first request.
The first request comes from a browser with no session cookie (normal).
The isEncodeable() method called by encodeURL() returns true because only a 
test on HttpServletRequest.isRequestedSessionIdFromCookie() is made.
This test is necessary but not sufficient.
The method isRequestedSessionIdFromCookie() does not makes the difference 
between a request having no session cookies because the browser of the user 
refuses the cookies and a request having no session cookies because the 
session has just been created !

This is creating a lot of problems when the first request is cached
or when search engines are indexing the webapp.

Sample JSP page showing the problem:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<c:url var="test" value="/test.jsp"/>
<html>
   <head>
      <title>encodeURL test</title>
   </head>
   <body>
      <h1>encodeURL test</h1>
      <p>
         Link: <a href="${test}">click here</a>
      </p>
   </body>
</html>

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