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Subject DO NOT REPLY [Bug 47629] New: Responses get delayed by one request
Date Mon, 03 Aug 2009 19:59:45 GMT

           Summary: Responses get delayed by one request
           Product: Tomcat 5
           Version: 5.5.27
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: major
          Priority: P2
         Component: Unknown

I've seen this bug intermittently in the past but now I'm reproducing it
consistently in my dev environment, and I'm not at all sure how to debug it (or
even how to categorize it)

A java webapp is deployed to the server.  Subsequently all responses are
delayed by one request.  The first request fails in some way.  Then each
response is displayed as the answer to the request one after it.  And this
crosses users, so if there are multiple users using different webapplications I
can see another user's page render if I'm the next to post a request after his

Once this behavior begins, the only way to clear it up seems to be to shut down
the entire tomcat instance and restart it.  This is not an acceptable situation
for our production environments which have many webapplications.

One thing that seemed to be a contributing factor back when this problem was
originally discovered seemed to be if the web.xml was being touched multiple
times (with config parameter substitution) that seemed to increase the odds of
this situation.  In the current case, however, the deploy scripts have been
adjusted so all subsitutions are done before copying the webapplication files
to the server.

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