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https://issues.apache.org/jira/browse/FLINK-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14900925#comment-14900925
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Robert Metzger commented on FLINK-2722:
---------------------------------------
Pushed fix for 0.9.2 in
http://git-wip-us.apache.org/repos/asf/flink/commit/f27219e2
> Use InetAddress.getLocalHost() first when detecting TaskManager IP address
> --------------------------------------------------------------------------
>
> Key: FLINK-2722
> URL: https://issues.apache.org/jira/browse/FLINK-2722
> Project: Flink
> Issue Type: Bug
> Components: Distributed Runtime, TaskManager
> Affects Versions: 0.9, 0.10
> Reporter: Robert Metzger
> Assignee: Robert Metzger
> Fix For: 0.9.2
>
>
> A user reported a connection issue with Netty being unable to connect to a
> TaskManager to subscribe to an intermediate result.
> The problem occurred when the TaskManager and JobManager were running on the
> same host (something that can easily happen on YARN).
> In that case, the TaskManager was reporting a host-local ip address to the
> JobManager when connecting.
> To avoid the issue in the future, the TaskManager first tries to use the
> hostname returned by InetAddress.getLocalHost(). In a properly set-up
> environment, this will return a connection which is accessible by all
> machines in a cluster.
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