Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/5220#discussion_r160715198 --- Diff: flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java --- @@ -587,9 +526,7 @@ protected int cancel(String[] args) { try { jobId = new JobID(StringUtils.hexStringToByte(jobIdString)); } catch (Exception e) { - LOG.error("Error: The value for the Job ID is not a valid ID."); - System.out.println("Error: The value for the Job ID is not a valid ID."); - return 1; + throw new CliArgsException("The value for the JobID is not a valid ID: " + e.getMessage()); --- End diff -- Will change it.
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