Jerry Cwiklik created UIMA-3644:
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Summary: UIMA-AS parallel processing is broken
Key: UIMA-3644
URL: https://issues.apache.org/jira/browse/UIMA-3644
Project: UIMA
Issue Type: Bug
Components: Async Scaleout
Affects Versions: 2.4.2AS
Reporter: Jerry Cwiklik
Assignee: Jerry Cwiklik
Fix For: 2.5.0AS
It appears that the parallel step involving fast AEs is broken. The UIMA-AS
logs "preexisting FS encountered but not allowed ".
A user explains the problem as follows:
"The exception happens randomly. It happens when UIMA gets a response from one
of the parallel annotators before it is done sending the request to all
parallel annotators.
à request goes to annotator 1
à request goes to annotator 2
ß response comes from annotator 1
à request goes to annotator 3 (CAS sent to annotator 3 is messed up, it
includes stuff received from annotator 1)
…
ß response comes from annotator3 -à bogus exception: preexisting FS encountered
but not allowed "
This probably needs a new junit test case before a fix is made.
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