Hi Shweta, The exception that you see here is rather harmless - it’s indicating that there was an attempt to enable a Controller Service while NiFi was in the middle of shutting down. Recommend you look higher up in the logs to understand why NiFi was shutting down, if this was not intentional.
Thanks -Mark > On Mar 9, 2022, at 8:49 AM, shweta julur <[email protected]> wrote: > > Hi, > > Once I deployed nars for the custom processors and custom controller services > and restarted nifi I got the below exception- > > 2022-03-09 06:38:19,759 INFO [Shutdown Cluster Coordinator] > o.a.n.c.c.node.NodeClusterCoordinator Successfully notified other nodes that > I am shutting down > 2022-03-09 06:38:19,761 INFO [Curator-Framework-0] > o.a.c.f.imps.CuratorFrameworkImpl backgroundOperationsLoop exiting > 2022-03-09 06:38:19,865 INFO [main] o.a.n.c.l.e.CuratorLeaderElectionManager > CuratorLeaderElectionManager[stopped=true] stopped and closed > 2022-03-09 06:38:19,865 INFO [main] o.a.n.c.c.h.AbstractHeartbeatMonitor > Heartbeat Monitor stopped > 2022-03-09 06:38:19,866 INFO [main] o.apache.nifi.controller.FlowController > Initiated graceful shutdown of flow controller...waiting up to 10 seconds > 2022-03-09 06:38:19,869 INFO [main] o.a.zookeeper.server.ZooKeeperServer > Shutting down > 2022-03-09 06:38:19,870 INFO [main] o.a.zookeeper.server.ZooKeeperServer > shutting down > 2022-03-09 06:38:19,871 INFO [main] o.a.z.server.FinalRequestProcessor > shutdown of request processor complete > 2022-03-09 06:38:19,874 INFO [main] o.a.z.server.SyncRequestProcessor > Shutting down > 2022-03-09 06:38:19,876 INFO [SyncThread:1] o.a.z.server.SyncRequestProcessor > SyncRequestProcessor exited! > 2022-03-09 06:38:19,878 INFO [main] o.a.z.server.DatadirCleanupManager > Shutting down purge task. > 2022-03-09 06:38:20,049 ERROR [Timer-Driven Process Thread-8] > org.apache.nifi.engine.FlowEngine Uncaught Exception in Runnable task > java.util.concurrent.RejectedExecutionException: Task > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@8ad2a80 > rejected from org.apache.nifi.engine.FlowEngine@66ad5e5[Shutting down, pool > size = 36, active threads = 1, queued tasks = 6, completed tasks = 75] > at > java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2063) > at > java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830) > at > java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:326) > at > java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:533) > at org.apache.nifi.engine.FlowEngine.schedule(FlowEngine.java:87) > at > org.apache.nifi.controller.service.StandardControllerServiceNode$2.run(StandardControllerServiceNode.java:431) > at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > > Any help would be appreciated. > > Thanks, > > Shweta
