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https://issues.apache.org/jira/browse/HDFS-9870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15173196#comment-15173196
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Chris Nauroth commented on HDFS-9870:
-------------------------------------
The current patch is only applicable to trunk. In branch-2 and branch-2.8, the
class still uses {{Sets}}. [~brahmareddy], are you interested in providing
another patch for branch-2/branch-2.8?
> Remove unused imports from DFSUtil
> ----------------------------------
>
> Key: HDFS-9870
> URL: https://issues.apache.org/jira/browse/HDFS-9870
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-9870.patch
>
>
> Remove the following unused imports {{DFSUtil.java}}
> {code}
> import static
> org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_LIFELINE_RPC_ADDRESS_KEY;
> import java.io.InterruptedIOException;
> import com.google.common.collect.Sets;
> {code}
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