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Failed checking the view snapshots: java.lang.NullPointerException

Question asked by raman.kathpalia on Apr 25, 2018

One of our Molecule threw this error. And got recovered on it's own.

Please refer to error and screenshot underneath:

 

Apr 25, 2018 11:41:33 AM EDT SEVERE [com.boomi.container.cloudlet.cluster.ViewSnapshot$Problem updateType] [UNKNOWN_ERROR] Failed checking the view snapshots
java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:459)
at java.util.Properties.setProperty(Properties.java:166)
at com.boomi.container.cloudlet.cluster.ViewSnapshot.toProperties(ViewSnapshot.java:179)
at com.boomi.container.cloudlet.cluster.ViewSnapshot.toString(ViewSnapshot.java:326)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at com.boomi.container.cloudlet.cluster.ClusterMonitor.updateViewSnapshot(ClusterMonitor.java:333)
at com.boomi.container.cloudlet.cluster.ClusterMonitor.access$100(ClusterMonitor.java:46)
at com.boomi.container.cloudlet.cluster.ClusterMonitor$SnapshotViewUpdater.run(ClusterMonitor.java:710)
at com.boomi.util.ExecutorUtil$NamedRunnable.run(ExecutorUtil.java:666)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Apr 25, 2018 11:41:33 AM EDT FINE [com.boomi.container.cloudlet.cluster.ClusterMonitor inferRollingRestartInEffect] Inspecting 0 view snapshots
Apr 25, 2018 11:41:33 AM EDT FINE [com.boomi.container.cloudlet.cluster.ClusterMonitor inferRollingRestartInEffect] No active rolling restart detected
Apr 25, 2018 11:41:37 AM EDT FINE [com.boomi.container.cloudlet.cluster.JGroups3ClusterManager sendClusterMessage] Sending reqType=ASYNC msg to CloudletAddress 10_1_0_0, LoadInfoMessage 0
Apr 25, 2018 11:41:52 AM EDT FINE [com.boomi.container.cloudlet.cluster.JGroups3ClusterManager sendClusterMessage] Sending reqType=ASYNC msg to CloudletAddress 10_1_0_0, LoadInfoMessage 0
Apr 25, 2018 11:42:00 AM EDT FINE [com.boomi.schedule.Scheduler run] Running schedule at Wed Apr 25 11:42:00 EDT 2018
Apr 25, 2018 11:42:00 AM EDT FINE [com.boomi.execution.forker.worker.WorkerCoordinator runMaintenanceTasks] Checking for superfluous workers
Apr 25, 2018 11:42:07 AM EDT FINE [com.boomi.container.cloudlet.cluster.JGroups3ClusterManager sendClusterMessage] Sending reqType=ASYNC msg to CloudletAddress 10_1_0_0, LoadInfoMessage 0
Apr 25, 2018 11:42:22 AM EDT FINE [com.boomi.container.cloudlet.cluster.JGroups3ClusterManager sendClusterMessage] Sending reqType=ASYNC msg to CloudletAddress 10_1_0_0, LoadInfoMessage 0
Apr 25, 2018 11:42:28 AM EDT FINE [com.boomi.container.cloudlet.cluster.ClusterMonitor updateViewSnapshot] Updating view snapshot
Apr 25, 2018 11:42:28 AM EDT SEVERE [com.boomi.container.cloudlet.cluster.ViewSnapshot$Problem updateType] [UNKNOWN_ERROR] Failed checking the view snapshots

 

 

 

After recovery after sometime, view file status shows - "Unknown error"

 

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