MAPREDUCE-2710. Update JobSubmitter.printTokens(..) for HDFS-2161.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1148367 13f79535-47bb-0310-9956-ffa450edef68

Author: szetszwo

mapreduce/CHANGES.txt

@@ -341,6 +341,9 @@ Trunk (unreleased changes)
 
     MAPREDUCE-2670. Fixing spelling mistake in FairSchedulerServlet.java. (eli)
 
+    MAPREDUCE-2710. Update JobSubmitter.printTokens(..) for HDFS-2161.
+    (szetszwo)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

mapreduce/src/java/org/apache/hadoop/mapreduce/JobSubmitter.java

@@ -419,17 +419,14 @@ private void writeConf(Configuration conf, Path jobFile)
     }
   }
 
-
-  
-  @SuppressWarnings("unchecked")
   private void printTokens(JobID jobId,
       Credentials credentials) throws IOException {
     if (LOG.isDebugEnabled()) {
       LOG.debug("Printing tokens for job: " + jobId);
       for(Token<?> token: credentials.getAllTokens()) {
         if (token.getKind().toString().equals("HDFS_DELEGATION_TOKEN")) {
           LOG.debug("Submitting with " +
-              DFSClient.stringifyToken((Token<org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier>) token));
+              org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier.stringifyToken(token));
         }
       }
     }