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https://issues.apache.org/jira/browse/HDDS-158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nanda kumar updated HDDS-158:
-----------------------------
Attachment: repro-test-case.patch
> DatanodeStateMachine endPoint task throws NullPointerException
> --------------------------------------------------------------
>
> Key: HDDS-158
> URL: https://issues.apache.org/jira/browse/HDDS-158
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Affects Versions: 0.2.1
> Reporter: Mukul Kumar Singh
> Assignee: Nanda kumar
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: repro-test-case.patch
>
>
> While running Ozone, I was able to see the following exception on the
> datanodes.
> {code}
> 2018-06-09 00:15:09,541 [Datanode State Machine Thread - 0] ERROR -
> Error in executing end point task.
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at
> org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.computeNextContainerState(RunningDatanodeState.java:137)
> at
> org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:174)
> at
> org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState.await(RunningDatanodeState.java:46)
> at
> org.apache.hadoop.ozone.container.common.statemachine.StateContext.execute(StateContext.java:233)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:147)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:294)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at
> com.google.protobuf.GeneratedMessage$FieldAccessorTable.getField(GeneratedMessage.java:1535)
> at
> com.google.protobuf.GeneratedMessage$FieldAccessorTable.access$100(GeneratedMessage.java:1449)
> at
> com.google.protobuf.GeneratedMessage$Builder.setField(GeneratedMessage.java:366)
> at
> org.apache.hadoop.ozone.container.common.states.endpoint.HeartbeatEndpointTask.addReports(HeartbeatEndpointTask.java:128)
> at
> org.apache.hadoop.ozone.container.common.states.endpoint.HeartbeatEndpointTask.call(HeartbeatEndpointTask.java:106)
> at
> org.apache.hadoop.ozone.container.common.states.endpoint.HeartbeatEndpointTask.call(HeartbeatEndpointTask.java:51)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ... 1 more
> {code}
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