[jira] [Commented] (FLINK-5686) Print meaningful message when JM is lost

["Dmitrii Kniazev (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-5686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15856248#comment-15856248 ] 

Dmitrii Kniazev commented on FLINK-5686:
----------------------------------------

I propose this solution for task:

{code:title=JobClientActor.java|borderStyle=solid}
if (jobManager != null && msg.address() != null) {
	// only print this message when we had been connected to a JobManager before
	logAndPrintMessage("New JobManager elected. Connecting to " + msg.address());
} else {
	logAndPrintMessage("JobManager not available. Client will reconnect after it will re-elected");
}
{code}

If it good enough, i can create PR.

> Print meaningful message when JM is lost
> ----------------------------------------
>
>                 Key: FLINK-5686
>                 URL: https://issues.apache.org/jira/browse/FLINK-5686
>             Project: Flink
>          Issue Type: Improvement
>          Components: Client
>            Reporter: Ufuk Celebi
>            Priority: Minor
>
> When a leading JM dies, the client prints:
> {code}
> New JobManager elected. Connecting to null
> {code}
> This is not helpful to the user. Instead it should inform the user that no JobManager is available currently and that the client will reconnect as soon as one is re-elected.



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