ashutoshcipher commented on code in PR #4626:
URL: https://github.com/apache/hadoop/pull/4626#discussion_r928961283


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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:
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@@ -201,6 +201,7 @@ private void check() {
         iterkey).iterator();
     final List<DatanodeDescriptor> toRemove = new ArrayList<>();
     final List<DatanodeDescriptor> unhealthyDns = new ArrayList<>();
+    boolean inValidState = false;
 
     while (it.hasNext() && !exceededNumBlocksPerCheck() && namesystem

Review Comment:
   This change hasnt made my me. For fixing any such existing `Single Line` 
issues - new JIRA can be created to clean or modify such issues on module 
level. 



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