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

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 14/Sep/15 21:12
• Updated: 17/Sep/15 20:00
• Resolved: 17/Sep/15 20:00

Description

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

// 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();
        }