[jira] [Commented] (REEF-74) Potential Race Condition exposed by Windows CI Server

["Markus Weimer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/REEF-74?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246032#comment-14246032 ] 

Markus Weimer commented on REEF-74:
-----------------------------------

I expanded the error message in [#35|https://github.com/apache/incubator-reef/pull/35]

> Potential Race Condition exposed by Windows CI Server
> -----------------------------------------------------
>
>                 Key: REEF-74
>                 URL: https://issues.apache.org/jira/browse/REEF-74
>             Project: REEF
>          Issue Type: Bug
>          Components: REEF-Common
>            Reporter: Markus Weimer
>
> In some builds, e.g. [this one|https://builds.apache.org/job/Reef-pull-request-windows/12/org.apache.reef$reef-tests/testReport/org.apache.reef.tests.evaluatorfailure/EvaluatorFailureTest/testEvaluatorFailureByAlarmHandler/], tests fail with the following message:
> {quote}
> java.lang.IllegalStateException: Trying to send an EvaluatorControlProto to an Evaluator that isn't running.
> {quote}
> This exception is thrown by {{EvaluatorControlHandler.send()}} when the receiving Evaluator is not known to be running. 
> This could be a race condition that the particular hw/sw combo of the Apache build server has unearthed for us.



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