YARN-6987. Log app attempt during InvalidStateTransition. Contributed by Jonathan Eagles

(cherry picked from commit 3325ef653d6f364a82dd32485d9ef6d987380ce3)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java

@@ -805,7 +805,8 @@ public class RMAppImpl implements RMApp, Recoverable {
         /* keep the master in sync with the state machine */
         this.stateMachine.doTransition(event.getType(), event);
       } catch (InvalidStateTransitionException e) {
-        LOG.error("Can't handle this event at current state", e);
+        LOG.error("App: " + appID
+            + " can't handle this event at current state", e);
         /* TODO fail the application on the failed transition */
       }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

@@ -864,7 +864,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
         /* keep the master in sync with the state machine */
         this.stateMachine.doTransition(event.getType(), event);
       } catch (InvalidStateTransitionException e) {
-        LOG.error("Can't handle this event at current state", e);
+        LOG.error("App attempt: " + appAttemptID
+            + " can't handle this event at current state", e);
         /* TODO fail the application on the failed transition */
       }