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https://issues.apache.org/jira/browse/HDFS-7865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brahma Reddy Battula resolved HDFS-7865.
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Resolution: Implemented
> NullPointerException in SimulatedFSDataset
> ------------------------------------------
>
> Key: HDFS-7865
> URL: https://issues.apache.org/jira/browse/HDFS-7865
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Brahma Reddy Battula
> Priority: Minor
>
> https://builds.apache.org/job/PreCommit-HDFS-Build/9690//testReport/org.apache.hadoop.hdfs.server.balancer/TestBalancer/testUnknownDatanode/
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset$BInfo.access$400(SimulatedFSDataset.java:126)
> at
> org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset.getPinning(SimulatedFSDataset.java:1319)
> at
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.copyBlock(DataXceiver.java:969)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opCopyBlock(Receiver.java:244)
> at
> org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:80)
> at
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:249)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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