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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6629) ClusterClient cannot submit jobs to HA cluster if address not set in configuration
Date Mon, 22 May 2017 06:13:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16019178#comment-16019178
] 

ASF GitHub Bot commented on FLINK-6629:
---------------------------------------

Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/3949
  
    Thanks for the review @rmetzger. Merging this PR.


> ClusterClient cannot submit jobs to HA cluster if address not set in configuration
> ----------------------------------------------------------------------------------
>
>                 Key: FLINK-6629
>                 URL: https://issues.apache.org/jira/browse/FLINK-6629
>             Project: Flink
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 1.3.0, 1.2.1, 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Blocker
>             Fix For: 1.3.0, 1.4.0
>
>
> In the general case, the {{ClusterClient}} fails to submit jobs to an HA cluster. The
problem is the {{LazyActorSystemLoader}} which creates an {{ActorSystem}}, upon first call.
The {{ActorSystem}} is created by reading the JobManager's address from the {{Configuration}}
in order to find the connecting address via {{ConnectionUtils.findConnectingAddress}}. The
address in the configuration is, however, only valid in the non-HA case. In the HA case, we
have to obtain the leader's address from ZooKeeper. Therefore, if  the address is not explicitly
set in the {{flink-conf.yaml}}, then the {{ClusterClient}} might either fail with a {{RuntimeException}}
if no address at all has been specified or it will use an invalid address and retrieve the
wrong connecting address.



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