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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink issue #2257: [FLINK-4152] Allow re-registration of TMs at resource man...
Date Fri, 22 Jul 2016 17:27:55 GMT
Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/2257
  
    At the moment I'm a little bit clueless why the test case errors occur. One test case
error is probably related to concurrency issues in the `TestingLeaderRetrievalService`. I've
fixed them but the error is still occurring in my local builds on Travis. Here the problem
is that maven does not use the installed flink-runtim_2.10-tests.jar which contains the updated
`TestingLeaderRetrievalService` but instead it downloads the the flink-runtime test jar from
the snapshot repository which contains the code with the concurrency issue.
    
    The other test issue I've seen is that the `flink-yarn-tests` sometimes fail because they
contain no a
    ```
    2016-07-22 12:01:31,308 ERROR akka.remote.EndpointWriter                             
      - AssociationError [akka.tcp://flink@172.17.2.124:57922] <- [akka.tcp://flink@172.17.2.124:36043]:
Error [Shut down address: akka.tcp://flink@172.17.2.124:36043] [
    akka.remote.ShutDownAssociation: Shut down address: akka.tcp://flink@172.17.2.124:36043
    Caused by: akka.remote.transport.Transport$InvalidAssociationException: The remote system
terminated the association because it is shutting down.
    ]
    ```
    
    in the logs. Since the test checks for exception as a word, it fails. I cannot yet explain
why this association error now occurs but apparently didn't occur before.



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