Marshall Schor created UIMA-3798:
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Summary: JCasHashMap race condition hang
Key: UIMA-3798
URL: https://issues.apache.org/jira/browse/UIMA-3798
Project: UIMA
Issue Type: Improvement
Components: Core Java Framework
Affects Versions: 2.6.0SDK
Reporter: Marshall Schor
Assignee: Marshall Schor
Fix For: 2.6.0SDK
Jerry C discovered a hang failure - I was able to reproduce on a particular
large machine. Traced to a race condition - where a "reserve" is found, and
then a lock is acquired. There's a chance that between these 2 events, another
thread can change the reserve to a real value - if this happens, a hang.
Recheck the value after acquiring the lock.
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