[jira] [Created] (FLINK-6629) ClusterClient cannot submit jobs to HA cluster if address not set in configuration

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

Till Rohrmann created FLINK-6629:
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             Summary: 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: 1.2.1, 1.3.0, 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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