Hello Joakim,
I filed the issue
https://github.com/eclipse/jetty.project/issues/1203
and added the information that valueUnbound IS called on session
timeout. So that probably accounts for the 45% of correctly unregistered
sessions.
Unfortunately I can not provide a reproduction case easily. Jetty is
embedded in a pretty large script engine that runs scripts that
implement web services and applications. Session management is part of
the script lifetime management and the issue occurs across all our
applications.
Cheers,
Silvio
On 12/23/2016 11:57 PM, Joakim Erdfelt wrote:
Can you file an Issue about this?
A reproduction case would be very useful too!
https://github.com/eclipse/jetty.project/issues/new
Joakim Erdfelt / [email protected] <mailto:[email protected]>
On Fri, Dec 23, 2016 at 3:46 PM, Silvio Bierman
<[email protected] <mailto:[email protected]>> wrote:
Hello all,
I have been running 9.4.0 (embedded mode) in our production
environment for a couple of days now and started to notice high
session counts in our monitoring screens.
To track sessions we add an attribute value that extends
HttpSessionBindingListener that registers the session during
valueBound and unregisters it during valueUnbound.
The session registry keeps track of the total number of sessions
created and destroyed. The difference is shown as the number of
active sessions. I now observe an ever increasing count of active
sessions. It seems that valueUnbound is called in only about 45%
of the cases.
I managed to reproduce this in my dev environment. I can confirm
invalidate is called on the session but valueUnbound is not called
on the tracking object. Reverting to 9.3.13 solves the issue.
Perhaps I am doing something wrong in my server setup. But since
valueUnbound is called in about half the cases I suspect something
else is wrong. Any ideas?
Thanks,
Silvio
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