Ian Boston created SLING-5882:
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Summary: ThreadExpiringThreadPoolTest fails 8% of time
Key: SLING-5882
URL: https://issues.apache.org/jira/browse/SLING-5882
Project: Sling
Issue Type: Bug
Components: Commons
Affects Versions: Commons Threads 3.2.6
Reporter: Ian Boston
Fix For: Commons Threads 3.2.8
The unit tests fail 8% of the time due to a) methods not being able to complete
in time on slower (2.53 GHz 2 core) boxes, and b) the ThreadFactory using an
unstable method of determining if a thread is in the pool or not. It relies on
the thread being alive, however the thread that should be dead may have removed
itself from the pool but not yet died when the test checks.
Increasing the thread lifetime to 90ms from 15ms and pausing for 15ms to ensure
that threads that expired have really removed themselves from the pool reduces
the failure rate to below 0.1%. Making that 0% would need introspection of the
pool rather than relying on the thread being alive as a proxy for being in the
pool.
commit pending.
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