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https://issues.apache.org/jira/browse/FLINK-4677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15530081#comment-15530081
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ASF GitHub Bot commented on FLINK-4677:
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Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2548
That's a good point @greghogan. We don't have a standard way to print a
usage message. A disadvantage of the approach in this PR is that we will
display an error message which might actually mask any usage information
printed. An alternative approach would be to simply exit (perhaps with a small
hint). That might actually be nicer.
> Jars with no job executions produces NullPointerException in ClusterClient
> --------------------------------------------------------------------------
>
> Key: FLINK-4677
> URL: https://issues.apache.org/jira/browse/FLINK-4677
> Project: Flink
> Issue Type: Bug
> Components: Client
> Affects Versions: 1.2.0, 1.1.2
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Minor
> Fix For: 1.2.0, 1.1.3
>
>
> When the user jar contains no job executions, the command-line client
> displays a NullPointerException. This is not a big issue but should be
> changed to something more descriptive.
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