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https://issues.apache.org/jira/browse/HDFS-1705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-1705.
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Resolution: Fixed
I have committed this. Thanks Suresh and Tanping!
> HDFS federation: Balancer command throws NullPointerException
> --------------------------------------------------------------
>
> Key: HDFS-1705
> URL: https://issues.apache.org/jira/browse/HDFS-1705
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer
> Affects Versions: Federation Branch
> Reporter: Tanping Wang
> Assignee: Suresh Srinivas
> Priority: Minor
> Fix For: Federation Branch
>
> Attachments: HDFS-1705.patch
>
>
> Run balancer results in "java.lang.NullPointerException" error.
> $ hdfs balancer
> 11/02/02 18:06:24 ERROR balancer.Balancer: java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.setConf(Balancer.java:1467)
> at org.apache.hadoop.conf.Configured.<init>(Configured.java:38)
> at org.apache.hadoop.conf.Configured.<init>(Configured.java:33)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.<init>(Balancer.java:1463)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.main(Balancer.java:1553)
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