GOP/GKOP evict() method is not synchronised and is not thread-safe
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Key: POOL-199
URL: https://issues.apache.org/jira/browse/POOL-199
Project: Commons Pool
Issue Type: Bug
Affects Versions: 2.0
Reporter: Sebb
The evict() method in Pool2 GOP/GKOP classes is not synchronised, yet it relies
on accessing and updating the field evictionIterator without any
synchronisation.
Adding volatile to the field would help with safe publication across threads,
but won't address the problem of two evictions running in parallel.
AFAICT, two threads running evict() in parallel could operate on the same
objects, which will almost certainly cause problems.
The evict() method should probably be synchronised, which would also solve the
safe publication problem.
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