Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/331#issuecomment-71649409
Thanks for your feedback, @rmetzger . The error message is at the bottom
because that way it is most easily identifiable by the user (no scrolling
necessary). Before, we printed the error and then the help which let the help
shadow the error message.
I changed the error reporting in case the user didn't specify an action.
Concerning the printing of the help message, you're probably right. Let's
just print the help if the user asks for it. Now it prints:
> "./examples/flink-java-examples-0.9-SNAPSHOT-WordCount.jar" is not a
valid action.
> Valid actions are "run", "list", "info", or "cancel".
Additionally, let's
* change `info` to print the plan by default
* change `cancel` to accept the job id as a parameter instead of an option
* change `list` to print scheduled and running jobs by default
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