Ufuk Celebi created FLINK-9832:

             Summary: Allow commas in job submission query params
                 Key: FLINK-9832
                 URL: https://issues.apache.org/jira/browse/FLINK-9832
             Project: Flink
          Issue Type: Bug
          Components: REST
    Affects Versions: 1.5.1
            Reporter: Ufuk Celebi

As reported on the user mailing list in the thread "Run programs w/ params 
including comma via REST api" [1], submitting a job with mainArgs that include 
a comma results in an exception.

To reproduce submit a job with the following mainArgs:
The request fails with
Expected only one value [--servers,].

As a work around, users have to use a different delimiter such as {{;}}.

The proper fix of this API would make these params part of the {{POST}} request 
instead of relying on query params (as noted in FLINK-9499).


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