[jboss-jira] [JBoss JIRA] Created: (JBAS-3528) HttpSession isNew() inaccurate if the 2nd request for the session is on different server

Brian Stansberry (JIRA) jira-events at jboss.com
Thu Aug 17 14:47:11 EDT 2006


HttpSession isNew() inaccurate if the 2nd request for the session is on different server
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                 Key: JBAS-3528
                 URL: http://jira.jboss.com/jira/browse/JBAS-3528
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Clustering, Web (Tomcat) service
    Affects Versions: JBossAS-4.0.4.GA, JBossAS-3.2.8.SP1, JBossAS-3.2.8 Final, JBossAS-4.0.3 SP1, JBossAS-4.0.3 Final, JBossAS-4.0.2 Final, JBossAS-4.0.1 SP1, JBossAS-3.2.7 Final, JBossAS-3.2.6 Final
            Reporter: Brian Stansberry
         Assigned To: Brian Stansberry
            Priority: Minor
             Fix For: JBossAS-4.0.5.CR1


Tomcat sets a session's isNew field to false as part of Request.recyle() processing, which occurs *after* the session has replicated.  The effect of this is the replicated session has the wrong value.  If the second request for the session goes to another node, a call to isNew() will be inaccurate.

If there was more than one request on the 1st node, there is no problem.  Any subsequent request on the 2nd node will also return the correct value.

Simple fix is to set isNew to false whenever a session is deserialized.  For 5.0 we can just skip serializing this field and set it to false in readObject; for binary compatibility must serialize it in 4.0.x.

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