[JBoss-dev] [JBoss JIRA] Created: (JBAS-1511) http session replication produces WARN message about null session

[Ben W. (JIRA) <jir...@jb...>]

http session replication produces WARN message about null session
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         Key: JBAS-1511
         URL: http://jira.jboss.com/jira/browse/JBAS-1511
     Project: JBoss Application Server
        Type: Bug
  Components: Clustering  
    Versions: JBossAS-4.0.1 Final,  JBossAS-3.2.7 Final, JBossAS-4.0.0 Final, JBossAS-3.2.6 Final, JBossAS-4.0.1RC1,  JBossAS-4.0.1 SP1    
    Reporter: Ben Wang
 Assigned to: Ben Wang 
    Priority: Minor
     Fix For: JBossAS-4.0.2 Final, JBossAS-5.0 Final,  JBossAS-4.0.2RC1,  JBossAS-3.2.8 Final


Currently when a session is removed explicitly (e.g., invalidated), the Tomcat background thread will kick in periodically to search for expired session. And this WANR message will be produced:

log_.warn("Has session id: " +ids.get(i) + " but session is null. Will remove this from map");

This is actually a harmless message but it is annoying. What happened was that when session was removed from the cache store, the fqn (of which is the session id) still exists, albeit it is empty.

Solution is just to remove the whole thing. Will do this to 3.2, 4.0 and head.

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