[GitHub] zeppelin issue #2239: Show dialog if owners field set to be empty on shiro

[soralee]

Github user soralee commented on the issue:

    https://github.com/apache/zeppelin/pull/2239
  
    Ping!
    And this CI fail is irrelevant this PR.
    ```
    Tests in error: 
      SecurityRestApiTest.testGetUserList:69 » JsonSyntax 
java.lang.IllegalStateExce...
      SecurityRestApiTest.testTicket:55 » JsonSyntax 
java.lang.IllegalStateException...
    Tests run: 58, Failures: 5, Errors: 2, Skipped: 1
    ```


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