YARN-3875. FSSchedulerNode#reserveResource() doesn't print Application Id

properly in log. Contributed by Bibin A Chundatt.

hadoop-yarn-project/CHANGES.txt

@@ -586,6 +586,9 @@ Release 2.8.0 - UNRELEASED
     YARN-3830. AbstractYarnScheduler.createReleaseCache may try to clean a null
     attempt. (nijel via devaraj)
 
+    YARN-3875. FSSchedulerNode#reserveResource() doesn't print Application Id
+    properly in log. (Bibin A Chundatt via devaraj)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSSchedulerNode.java

@@ -68,12 +68,13 @@ public class FSSchedulerNode extends SchedulerNode {
             " on node " + this);
       }
 
-      LOG.info("Updated reserved container " + 
-          container.getContainer().getId() + " on node " + 
-          this + " for application " + application);
+      LOG.info("Updated reserved container " + container.getContainer().getId()
+          + " on node " + this + " for application "
+          + application.getApplicationId());
     } else {
-      LOG.info("Reserved container " + container.getContainer().getId() + 
-          " on node " + this + " for application " + application);
+      LOG.info("Reserved container " + container.getContainer().getId()
+          + " on node " + this + " for application "
+          + application.getApplicationId());
     }
     setReservedContainer(container);
     this.reservedAppSchedulable = (FSAppAttempt) application;