Hi,

my SessionListener logs the creation and destruction of sessions.

Recently and only sometimes it shows the destruction without any
senseful reason:

0. Session timeout is set to 10 minutes.

1. The servlet doesn't call HttpSessions invalidate.

2. The logged inactivity interval is << 10 Minutes (i got logs with 4 millis and 200 millis inactivity^^)

Environment: SuSE SLES 11 SP1, tomcat 6.0.18, ibm java 1.6.0, patches are uptodate

This behavior isn't really reproducible. Sometime it happens in every second up to 10th request but most of the time not ( i ran selenium-tests with 2000 requests over and over again without
any problem).

I tried to log tomcats session handling with logging.properties as follows:
  org.apache.catalina.session.level = ALL
org.apache.catalina.session.handlers = 2localhost.org.apache.juli.FileHandler

I only get some FINE-loggings a la:
- "org.apache.catalina.session.ManagerBase processExpires"
- "End expire sessions StandardManager ...".

I don't get a glue about the reason or the source of the session destruction. Is there a way to get more logs for thoses events?

BTW: Today i noticed log entries from different threads for a single destroy-event! They happened within 1-2millis interval...

I appreciate any help. Thanks in advance,

Martin


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