[GitHub] zeppelin issue #2687: [ZEPPELIN-3077] Cron scheduler is easy to get stuck wh...

[kjmrknsn]

Github user kjmrknsn commented on the issue:

    https://github.com/apache/zeppelin/pull/2687
  
    @Leemoonsoo Thanks for your checking and suggestion. I added a test case to 
`NotebookTest.java`.


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