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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2017/07/27 08:34:00 UTC

[jira] [Created] (FLINK-7279) MiniCluster can deadlock at shut down

Till Rohrmann created FLINK-7279:
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             Summary: MiniCluster can deadlock at shut down
                 Key: FLINK-7279
                 URL: https://issues.apache.org/jira/browse/FLINK-7279
             Project: Flink
          Issue Type: Bug
          Components: Tests
    Affects Versions: 1.4.0
            Reporter: Till Rohrmann


The {{MiniCluster}} can deadlock in case if the fatal error handler is called while the {{MiniCluster}} shuts down. The reason is that the shut down happens under a lock which is required by the fatal error handler as well. If now the {{MiniCluster}} tries to shut down the underlying RPC service which waits for all actors to terminate, it will never complete because one actor is still waiting for the lock.

One solution would be to ignore the fatal error handler calls if the {{MiniCluster}} is shutting down.

https://s3.amazonaws.com/archive.travis-ci.org/jobs/257811319/log.txt



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