YARN-2243. Order of arguments for Preconditions.checkNotNull() is wrong in

SchedulerApplicationAttempt ctor. Contributed by Devaraj K.

hadoop-yarn-project/CHANGES.txt

@@ -217,6 +217,9 @@ Release 2.7.0 - UNRELEASED
     YARN-2917. Fixed potential deadlock when system.exit is called in AsyncDispatcher
     (Rohith Sharmaks via jianhe)
 
+    YARN-2243. Order of arguments for Preconditions.checkNotNull() is wrong in 
+    SchedulerApplicationAttempt ctor. (devaraj)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES

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

@@ -125,7 +125,7 @@ public class SchedulerApplicationAttempt {
   public SchedulerApplicationAttempt(ApplicationAttemptId applicationAttemptId, 
       String user, Queue queue, ActiveUsersManager activeUsersManager,
       RMContext rmContext) {
-    Preconditions.checkNotNull("RMContext should not be null", rmContext);
+    Preconditions.checkNotNull(rmContext, "RMContext should not be null");
     this.rmContext = rmContext;
     this.appSchedulingInfo = 
         new AppSchedulingInfo(applicationAttemptId, user, queue,