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https://issues.apache.org/jira/browse/UIMA-3667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry Cwiklik closed UIMA-3667.
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Resolution: Fixed
> UIMA-AS client should call onBeforeProcessCAS() when it receives a reply with
> no prior ACk from remote service
> --------------------------------------------------------------------------------------------------------------
>
> Key: UIMA-3667
> URL: https://issues.apache.org/jira/browse/UIMA-3667
> Project: UIMA
> Issue Type: Bug
> Components: Async Scaleout
> Affects Versions: 2.4.2AS
> Reporter: Jerry Cwiklik
> Assignee: Jerry Cwiklik
> Fix For: 2.5.0AS
>
>
> When a remote service pulls a CAS from an input queue for processing it first
> sends an ACK to the client identifying node IP and service PID.
> It's been observed that sometimes the ACK is never received by the client.
> Interestingly, the process reply *is* received. In such a case, the UIMA-AS
> client should call onBeforeProcessCAS() if it handles a reply with no prior
> ACK. Some applications may depend on receiving onBeforeProcessCAS() and block
> if it never comes.
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