MAPREDUCE-6136. MRAppMaster doesn't shutdown file systems. Contributed by Brahma Reddy Battula.

(cherry picked from commit 348208014b2023894dc416dcd733a9ccdafc6e25)

hadoop-mapreduce-project/CHANGES.txt

@@ -163,6 +163,9 @@ Release 2.7.0 - UNRELEASED
     MAPREDUCE-6268. Fix typo in Task Attempt API's URL. (Ryu Kobayashi
     via ozawa)
 
+    MAPREDUCE-6136. MRAppMaster doesn't shutdown file systems. (Brahma 
+    Reddy Battula via ozawa)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java

@@ -1426,10 +1426,6 @@ public class MRAppMaster extends CompositeService {
       String jobUserName = System
           .getenv(ApplicationConstants.Environment.USER.name());
       conf.set(MRJobConfig.USER_NAME, jobUserName);
-      // Do not automatically close FileSystem objects so that in case of
-      // SIGTERM I have a chance to write out the job history. I'll be closing
-      // the objects myself.
-      conf.setBoolean("fs.automatic.close", false);
       initAndStartAppMaster(appMaster, conf, jobUserName);
     } catch (Throwable t) {
       LOG.fatal("Error starting MRAppMaster", t);