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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-349) Ozone Datanode throws exception while sending datanode reports
Date Mon, 13 Aug 2018 11:31:00 GMT
Mukul Kumar Singh created HDDS-349:
--------------------------------------

             Summary: Ozone Datanode throws exception while sending datanode reports
                 Key: HDDS-349
                 URL: https://issues.apache.org/jira/browse/HDDS-349
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Datanode
    Affects Versions: 0.2.1
            Reporter: Mukul Kumar Singh
             Fix For: 0.2.1


Following exception was seen while datanode was sending datanode report

{code}
2018-08-13 12:28:57,425 INFO  ozone.MiniOzoneClusterImpl (MiniOzoneClusterImpl.java:lambda$waitForClusterToBeReady$0(119))
- Waiting for cluster to be ready. Got 0 of 1 DN Heartbeats.
2018-08-13 12:28:58,428 INFO  ozone.MiniOzoneClusterImpl (MiniOzoneClusterImpl.java:lambda$waitForClusterToBeReady$0(119))
- Waiting for cluster to be ready. Got 0 of 1 DN Heartbeats.
2018-08-13 12:28:59,428 INFO  ozone.MiniOzoneClusterImpl (MiniOzoneClusterImpl.java:lambda$waitForClusterToBeReady$0(119))
- Waiting for cluster to be ready. Got 0 of 1 DN Heartbeats.
2018-08-13 12:29:00,311 WARN  concurrent.ExecutorHelper (ExecutorHelper.java:logThrowableFromAfterExecute(50))
- Execution exception when running task in Datanode ReportManager Thread - 0
2018-08-13 12:29:00,311 WARN  concurrent.ExecutorHelper (ExecutorHelper.java:logThrowableFromAfterExecute(63))
- Caught exception in thread Datanode ReportManager Thread - 0: 
java.lang.NullPointerException
        at org.apache.hadoop.ozone.container.common.volume.VolumeInfo.getScmUsed(VolumeInfo.java:107)
        at org.apache.hadoop.ozone.container.common.volume.VolumeSet.getNodeReport(VolumeSet.java:366)
        at org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer.getNodeReport(OzoneContainer.java:262)
        at org.apache.hadoop.ozone.container.common.report.NodeReportPublisher.getReport(NodeReportPublisher.java:64)
        at org.apache.hadoop.ozone.container.common.report.NodeReportPublisher.getReport(NodeReportPublisher.java:39)
        at org.apache.hadoop.ozone.container.common.report.ReportPublisher.publishReport(ReportPublisher.java:86)
        at org.apache.hadoop.ozone.container.common.report.ReportPublisher.run(ReportPublisher.java:73)
        at java.util.concurrent.Executors$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:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{code}



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