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https://issues.apache.org/jira/browse/HDFS-10571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaobing Zhou updated HDFS-10571:
---------------------------------
    Attachment:     (was: HDFS-HDFS-10571-HDFS-1312.000.patch)

> TestDiskBalancerCommand#testPlanNode failed with IllegalArgumentException
> -------------------------------------------------------------------------
>
>                 Key: HDFS-10571
>                 URL: https://issues.apache.org/jira/browse/HDFS-10571
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>
> TestDiskBalancerCommand#testPlanNode failed with IllegalArgumentException:
> {noformat}
> testPlanNode(org.apache.hadoop.hdfs.server.diskbalancer.command.TestDiskBalancerCommand)
>   Time elapsed: 3.003 sec  <<< ERROR!
> java.lang.IllegalArgumentException: Unable to find the specified node. 
> 5417cffa-1bec-4339-8837-1f7c7ba59664
>       at 
> org.apache.hadoop.hdfs.server.diskbalancer.command.PlanCommand.execute(PlanCommand.java:119)
>       at 
> org.apache.hadoop.hdfs.tools.DiskBalancer.dispatch(DiskBalancer.java:472)
>       at org.apache.hadoop.hdfs.tools.DiskBalancer.run(DiskBalancer.java:188)
>       at 
> org.apache.hadoop.hdfs.server.diskbalancer.command.TestDiskBalancerCommand.runCommand(TestDiskBalancerCommand.java:346)
>       at 
> org.apache.hadoop.hdfs.server.diskbalancer.command.TestDiskBalancerCommand.testPlanNode(TestDiskBalancerCommand.java:283)
> {noformat}
> In TestDiskBalancerCommand#testPlanNode, here is incorrect, since the FS is 
> set to be loaded from Json file.
> {code}
> final String planArg = String.format("-%s %s", PLAN,
>         cluster.getDataNodes().get(0).getDatanodeUuid());
> {code}
> See the FS loading in TestDiskBalancerCommand#runCommand
> {code}
> FileSystem.setDefaultUri(conf, clusterJson);
> {code}



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