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

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

Markus Weimer created REEF-74:
---------------------------------

             Summary: 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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