'Getty=001-015-881'Tomcat 4.x + session replication (javag roups) = StackOverflowError

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For reference, your assigned case ID is:1015881



-----Original Message-----
From: YErkan@decaresystems.ie [YErkan@decaresystems.ie]
Sent: Monday, Feb 2 2004 8:59AM
To: Tomcat Users List [tomcat-user@jakarta.apache.org]
Subject: Tomcat 4.x + session replication (javagroups) = StackOverflowError







Hi, 

We're using javagroups for the session replication between our 2 clustered 
Tomcat 4.x servers. And we're having the following problem: 

When we start one of the servers, its CPU usage hit 100% (as if there were a 
never ending loop). It looks like it's trying to read a big number of old 
persisted session. Then, while invalidating them, it's having a problem. We 
turned the javagroups debugging on and that's what we get in the logs: 

2004-02-02 07:47:14 StandardManager[/dirServices] [InMemoryReplicationManager] 
processsExpire:  Exception during session expiration 
java.lang.StackOverflowError 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:148) 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:179) 
      at 
org.apache.catalina.session.StandardSession.expire(StandardSession.java:608) 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:149) 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:179) 
      at 
org.apache.catalina.session.StandardSession.expire(StandardSession.java:608) 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:149) 
      at 
org.apache.catalina.session.ReplicatedSession.expire(ReplicatedSession.java:179) 

Has any one had that problem or a similar one before? 
Any comment will be greatly appreciated, 

Thanks, 

 - Yagiz Erkan 


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