Jerry Cwiklik created UIMA-2477:
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Summary: UIMA-AS Not Handling Late Replies Correctly
Key: UIMA-2477
URL: https://issues.apache.org/jira/browse/UIMA-2477
Project: UIMA
Issue Type: Bug
Components: Async Scaleout
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.4.0AS
When UIMA-AS aggregate receives late (previously timed out) reply from a remote
delegate it tries to drop related Flow object from a FC and subsequently
removes a CAS from its cache. This is wrong. Its up to the FC to decide what to
do with a timed out CAS. In a scenario when the FC continues with a timed out
CAS, current code may cause NPEs in the AE and an unexpected shutdown of the
service if action=terminate on Process error. The code should be changed to
ignore out-of-band CASes.
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