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https://issues.apache.org/jira/browse/FLINK-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15555268#comment-15555268
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Maximilian Michels commented on FLINK-4583:
-------------------------------------------
Thanks for marking as duplicate, didn't see your issue when I opened mine...
> NullPointerException in CliFrontend
> -----------------------------------
>
> Key: FLINK-4583
> URL: https://issues.apache.org/jira/browse/FLINK-4583
> Project: Flink
> Issue Type: Bug
> Components: Client
> Affects Versions: 1.2.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
>
> If no Flink program is executed the following exception message is printed.
> This can happen when a driver prints usage due to insufficient or improper
> configuration.
> {noformat}
> The program finished with the following exception:
> java.lang.NullPointerException
> at
> org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:781)
> at org.apache.flink.client.CliFrontend.run(CliFrontend.java:250)
> at
> org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1002)
> at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1045)
> {noformat}
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