HDFS-3837. Fix DataNode.recoverBlock findbugs warning. Contributed by Eli Collins

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1376130 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -487,6 +487,8 @@ Release 2.0.1-alpha - UNRELEASED
     HDFS-3830. test_libhdfs_threaded: use forceNewInstance.
     (Colin Patrick McCabe via eli)
 
+    HDFS-3837. Fix DataNode.recoverBlock findbugs warning. (eli)
+
   BREAKDOWN OF HDFS-3042 SUBTASKS
 
     HDFS-2185. HDFS portion of ZK-based FailoverController (todd)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/DatanodeRegistration.java

@@ -88,13 +88,4 @@ public class DatanodeRegistration extends DatanodeID
       + ", storageInfo=" + storageInfo
       + ")";
   }
-
-  @Override
-  public boolean equals(Object to) {
-    return super.equals(to);
-  }
-  @Override
-  public int hashCode() {
-    return super.hashCode();
-  }
 }