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https://issues.apache.org/jira/browse/HDFS-7951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367756#comment-14367756
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Arpit Agarwal commented on HDFS-7951:
-------------------------------------

+1 for the patch. Verified it on Windows and OS X (Linux covered by Jenkins). I 
will commit it shortly.

> Fix NPE for TestFsDatasetImpl#testAddVolumeFailureReleasesInUseLock on Linux
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-7951
>                 URL: https://issues.apache.org/jira/browse/HDFS-7951
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: 2.6.0
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HDFS-7951.00.patch
>
>
> {code}
> acquired by nodename [email protected]
> 2015-03-18 01:07:06,036 WARN  common.Util (Util.java:stringAsURI(56)) - Path 
> target/test/data/iFEYz7UKAU/bad should be specified as a URI in configuration 
> files. Please update hdfs configuration.
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.addVolume(FsDatasetImpl.java:403)
>       at 
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsDatasetImpl.testAddVolumeFailureReleasesInUseLock(TestFsDatasetImpl.java:344)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at sun.reflect.NativeMethodAccessorImpl.invoke
> {code}



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