after NM is reconnected. Contributed by zhihai xu (cherry picked from commit 5b5bb8dcdc888ba1ebc7e4eba0fa0e7e79edda9a) Conflicts: hadoop-yarn-project/CHANGES.txt
after NM is reconnected. Contributed by zhihai xu (cherry picked from commit 5b5bb8dcdc888ba1ebc7e4eba0fa0e7e79edda9a) Conflicts: hadoop-yarn-project/CHANGES.txt