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From Dan Checkoway <>
Subject Executor thread lifecycle
Date Tue, 20 Sep 2011 18:29:27 GMT
I'm curious how long Executor threads live prior to being
recycled/replaced/what have you.  Is there a way to control this lifecycle?

I'm using ThreadLocal to allocate some resources per thread...and the
behavior I'm seeing is that after some period of time, my ThreadLocal<Thing>
goes away and needs to be reinitialized.  It's implying to me that the
thread itself has been recycled.

What's making this more confusing is that the thread IDs appear to be
getting reused, so logging the thread ID isn't helping (it's probably
confusing me more than anything).

Anyway, can somebody confirm if Tomcat has explicit deliberate control over
the Executor thread lifecycle, and if so, how I might be able to control
it?  And if not, is there a way to control it?


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