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  1. Tajo
  2. TAJO-1831

Add a shutdown hook manager in order to set priorities

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      Sometimes, event-group thread of netty’s is not stopped. because jvm will start a shutdown-hook after all thread is stopped without kill signal. it is dead-lock state.
      We should explicitly call to shutdown the event-group thread of netty’s and should set a shutdown-hook order

      For example, before you start up TajoMaster, runs tsql, you can find deadlock

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            • Assignee:
              jhkim Jinho Kim
              Reporter:
              jhkim Jinho Kim
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