MAPREDUCE-6420. Interrupted Exception in LocalContainerLauncher should be logged in warn/info level. Contributed by Chang Li

(cherry picked from commit 826715622e6937887a4e20b3ce327d7e2fd89009)

hadoop-mapreduce-project/CHANGES.txt

@@ -257,6 +257,9 @@ Release 2.8.0 - UNRELEASED
     MAPREDUCE-6121. JobResourceUpdater#compareFs() doesn't handle HA namespaces
     (rchiang via rkanter)
 
+    MAPREDUCE-6420. Interrupted Exception in LocalContainerLauncher should be
+    logged in warn/info level (Chang Li via jlowe)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/LocalContainerLauncher.java

@@ -233,7 +233,7 @@ public class LocalContainerLauncher extends AbstractService implements
         try {
           event = eventQueue.take();
         } catch (InterruptedException e) {  // mostly via T_KILL? JOB_KILL?
-          LOG.error("Returning, interrupted : " + e);
+          LOG.warn("Returning, interrupted : " + e);
           break;
         }