Remove the following unused imports DFSUtil.java
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_LIFELINE_RPC_ADDRESS_KEY;
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The current patch is only applicable to trunk. In branch-2 and branch-2.8, the class still uses Sets. Brahma Reddy Battula, are you interested in providing another patch for branch-2/branch-2.8?
Chris Nauroth thanks for taking a look.. Uploaded patch for branch-2.
+1. I have committed this to trunk, branch-2 and branch-2.8. Brahma Reddy Battula, thank you for cleaning up this code.
FAILURE: Integrated in Hadoop-trunk-Commit #9402 (See https://builds.apache.org/job/Hadoop-trunk-Commit/9402/)
HDFS-9870. Remove unused imports from DFSUtil. Contributed by Brahma (cnauroth: rev 2137e8feeb5c5c88d3a80db3a334fd472f299ee4)
thanks a lot Chris Nauroth for commit.