[jira] [Created] (TAJO-1848) ShutdownHook in TajoMaster can throw NPE if serviceInit() is failed.

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-1848:
----------------------------------

             Summary: ShutdownHook in TajoMaster can throw NPE if serviceInit() 
is failed.
                 Key: TAJO-1848
                 URL: https://issues.apache.org/jira/browse/TAJO-1848
             Project: Tajo
          Issue Type: Bug
            Reporter: Hyunsik Choi
            Assignee: Hyunsik Choi
            Priority: Minor
             Fix For: 0.11.0


If serviceInit() is failed, ShutdownHook in TajoMaster can throw NPE.

{noformat}
// If embedded derby is used as catalog, shutdown it.
        if 
(catalogServer.getStoreClassName().equals("org.apache.tajo.catalog.store.DerbyStore")
            && AbstractDBStore.needShutdown(catalogServer.getStoreUri())) {
          DerbyStore.shutdown();
        }
{noformat}



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