MAPREDUCE-3233. Fixed a bug in MR Job so as to be able to restart the application on AM crash. Contributed by Mahadev Konar.

svn merge -c r1187669 --ignore-ancestry ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1187670 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -1679,6 +1679,9 @@ Release 0.23.0 - Unreleased
     MAPREDUCE-3087. Fixed the mapreduce classpath to correctly include the
     generated-classpath file needed for tests. (Ravi Prakash via vinodkv)
 
+    MAPREDUCE-3233. Fixed a bug in MR Job so as to be able to restart the
+    application on AM crash. (Mahadev Konar via vinodkv)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/JobImpl.java

@@ -1044,13 +1044,6 @@ protected void setup(JobImpl job) throws IOException {
       if (UserGroupInformation.isSecurityEnabled()) {
         tokenStorage.addAll(job.fsTokens);
       }
-
-      Path remoteJobTokenFile =
-          new Path(job.remoteJobSubmitDir,
-              MRJobConfig.APPLICATION_TOKENS_FILE);
-      tokenStorage.writeTokenStorageFile(remoteJobTokenFile, job.conf);
-      LOG.info("Writing back the job-token file on the remote file system:"
-          + remoteJobTokenFile.toString());
     }
 
     /**