Ivano,
On 7/23/21 02:20, Ivano Luberti wrote:
I have found the issue: one of the webapps has several thread locked on
a MultiThreadedHttpConnectionManager during sessionUnbound and
unboundEvents.
So the background process killing the sessions is stuck as well.
This is a very easy problem to encounter. Session event-handlers really
need to be bulletproof and execute very quickly.
If you need a long-running process to trigger, use an executor service
or something where you can capture the information to be used and
off-load it onto another thread. Remember that the session cannot be
used after the event-handler completes, so capture whatever information
you need from the session FIRST, then dispatch to another thread, then
return from the event-handler.
-chris
Il 21/07/2021 18:13, Mark Thomas ha scritto:
On 21/07/2021 16:00, Ivano Luberti wrote:
Il 21/07/2021 16:44, Mark Thomas ha scritto:
Take 3 thread dumps 5 seconds apart and post them here.
How to take thread dumps?
kill -3 <pid> ?
That will work. There are lots of ways. This is most of them:
https://www.baeldung.com/java-thread-dump
Mark
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