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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6360

request.getSession() may return null

           Summary: request.getSession() may return null
           Product: Tomcat 3
           Version: 3.3 Final
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Servlet
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


In some circumstances a call of request.getSession() may return null. Earlier 
tomcat versions throwed internal exceptions in such cases, version 3.3 returns 
null instead.
Such error-situations can be recreated easily by using a set of multiple (e.g. 
5) frames and JSP's connected to a workerbean. If multiple requests are 
arriving simultaneously the problem occurs very often. Multiple page-reloads 
are likely resolving the error until a next frameset has to be processed.

Our used W2K test-server also uses 2 processors, which may have some impact to 
the behavior.

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