Revert "HDFS-13732. ECAdmin should print the policy name when an EC policy is set. Contributed by Zsolt Venczel."

This reverts commit 7dc79a8b5b7af0bf37d25a221be8ed446b0edb74.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/ECAdmin.java

@@ -358,16 +358,16 @@ public class ECAdmin extends Configured implements Tool {
       final DistributedFileSystem dfs = AdminHelper.getDFS(p.toUri(), conf);
       try {
         dfs.setErasureCodingPolicy(p, ecPolicyName);
-
-        String actualECPolicyName = dfs.getErasureCodingPolicy(p).getName();
-
-        System.out.println("Set " + actualECPolicyName +
-            " erasure coding policy on "+ path);
+        if (ecPolicyName == null){
+          ecPolicyName = "default";
+        }
+        System.out.println("Set " + ecPolicyName + " erasure coding policy on" +
+            " " + path);
         RemoteIterator<FileStatus> dirIt = dfs.listStatusIterator(p);
         if (dirIt.hasNext()) {
           System.out.println("Warning: setting erasure coding policy on a " +
               "non-empty directory will not automatically convert existing " +
-              "files to " + actualECPolicyName + " erasure coding policy");
+              "files to " + ecPolicyName + " erasure coding policy");
         }
       } catch (Exception e) {
         System.err.println(AdminHelper.prettifyException(e));

hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testErasureCodingConf.xml

@@ -734,7 +734,7 @@
       <comparators>
         <comparator>
           <type>SubstringComparator</type>
-          <expected-output>Set RS-6-3-1024k erasure coding policy on /ecdir</expected-output>
+          <expected-output>Set default erasure coding policy on /ecdir</expected-output>
         </comparator>
       </comparators>
     </test>
@@ -752,11 +752,11 @@
       <comparators>
         <comparator>
           <type>SubstringComparator</type>
-          <expected-output>Set RS-6-3-1024k erasure coding policy on /ecdir</expected-output>
+          <expected-output>Set default erasure coding policy on /ecdir</expected-output>
         </comparator>
         <comparator>
           <type>SubstringComparator</type>
-          <expected-output>Warning: setting erasure coding policy on a non-empty directory will not automatically convert existing files to RS-6-3-1024k erasure coding policy</expected-output>
+          <expected-output>Warning: setting erasure coding policy on a non-empty directory will not automatically convert existing files to default erasure coding policy</expected-output>
         </comparator>
       </comparators>
     </test>