diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index fe75ff420b..87da98999b 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -223,6 +223,9 @@ Release 0.23.3 - UNRELEASED
     MAPREDUCE-3983. TestTTResourceReporting can fail, and should just be
     deleted (Ravi Prakash via bobby)
 
+    MAPREDUCE-4012 Hadoop Job setup error leaves no useful info to users 
+    (when LinuxTaskController is used). (tgraves)
+
 Release 0.23.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
index 28f1247bb3..be51537763 100644
--- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
+++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
@@ -172,7 +172,8 @@ public void startLocalizer(Path nmPrivateContainerTokensPath,
       int exitCode = shExec.getExitCode();
       LOG.warn("Exit code from container is : " + exitCode);
       logOutput(shExec.getOutput());
-      throw new IOException("App initialization failed (" + exitCode + ")", e);
+      throw new IOException("App initialization failed (" + exitCode + 
+          ") with output: " + shExec.getOutput(), e);
     }
   }