[GitHub] [incubator-kyuubi] yaooqinn commented on issue #1800: [Bug] Exit spark engine if spark context is stopped

[GitBox <gi...@apache.org>]

yaooqinn commented on issue #1800:
URL: https://github.com/apache/incubator-kyuubi/issues/1800#issuecomment-1016181718


   have you checked the jstack to see which thread blocked termination?
   
   BTW, we seem to have a listener to handle it
   
   ```scala
     override def onApplicationEnd(event: SparkListenerApplicationEnd): Unit = {
       server.getServiceState match {
         case ServiceState.STOPPED =>
           debug("Received ApplicationEnd Message form Spark after the engine has stopped")
         case state =>
           info(s"Received ApplicationEnd Message from Spark at $state, stopping")
           server.stop()
       }
     }
   ```
   


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