[jira] Updated: (UIMA-1199) If a parallel flow involves colocated delegates the application hangs

["Burn Lewis (JIRA)" <ui...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/UIMA-1199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Burn Lewis updated UIMA-1199:
-----------------------------

    Attachment: UIMA-1199-test.patch

UIMA-1199-test.patch adds a test case for this problem.
Note: patch assumes UIMA-1171-test.patch has been applied.

> If a parallel flow involves colocated delegates the application hangs
> ---------------------------------------------------------------------
>
>                 Key: UIMA-1199
>                 URL: https://issues.apache.org/jira/browse/UIMA-1199
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>    Affects Versions: 2.2.2
>            Reporter: Burn Lewis
>            Priority: Minor
>         Attachments: UIMA-1199-test.patch
>
>
> Parallel flows can only run in parallel when the delegates are remote, but we should handle any colocated ones by running them sequentially in arbitrary order as synchronous UIMA does.  The spec says that the framework is not obliged to run them in parallel.  The alternative of rejecting the flow is undesirable as it can only be detected at run time since the flow controller may be user code.

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