2018-08-29 15:37:47.891 o.a.s.u.Utils main [INFO] UNNAMED:main : user is gstorm
2018-08-29 15:37:47.893 o.a.s.d.s.Supervisor main [ERROR] Error trying to kill 7f4dd1bb-ea77-4f13-a785-0299e81bf5a5
java.lang.NullPointerException: null
at org.apache.storm.daemon.supervisor.BasicContainer.cleanUpForRestart(BasicContainer.java:216) ~[storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.Container.cleanUp(Container.java:360) ~[storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.Supervisor.killWorkers(Supervisor.java:482) [storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.ReadClusterState.<init>(ReadClusterState.java:111) [storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.Supervisor.launch(Supervisor.java:282) [storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.Supervisor.launchDaemon(Supervisor.java:312) [storm-server-2.0.0.y.jar:2.0.0.y]
at org.apache.storm.daemon.supervisor.Supervisor.main(Supervisor.java:185) [storm-server-2.0.0.y.jar:2.0.0.y]
2018-08-29 15:37:47.904 o.a.s.d.s.Supervisor main [INFO] Starting supervisor with id 03ee87f5-28ca-491b-95cb-15b841f249e1-10.215.76.240 at host openqe74blue-n1.blue.ygrid.yahoo.com.