16/05/19 11:45:12 ERROR SparkDeploySchedulerBackend: Application has been killed. Reason: All masters are unresponsive! Giving up.
16/05/19 11:45:12 WARN SparkDeploySchedulerBackend: Application ID is not initialized yet.
16/05/19 11:45:12 ERROR TaskSchedulerImpl: Exiting due to error from cluster scheduler: All masters are unresponsive! Giving up.