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

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann reassigned FLINK-7279:
------------------------------------

    Assignee: Nico Kruber

> 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
>            Assignee: Nico Kruber
>              Labels: flip-6
>
> 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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