diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 5257950e85..6a20ded833 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -1811,6 +1811,8 @@ Release 0.23.0 - Unreleased
     containers (process-trees) irrespective of whether the container succeeded,
     or killed. (Hitesh Shah via vinodkv)
 
+    MAPREDUCE-3281. Fixed a bug in TestLinuxContainerExecutorWithMocks. (vinodkv)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
index 41517c2020..4827d83192 100644
--- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
+++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLinuxContainerExecutorWithMocks.java
@@ -117,7 +117,7 @@ public void testContainerLaunch() throws IOException {
         appSubmitter, appId, workDir);
     assertEquals(0, ret);
     assertEquals(Arrays.asList(appSubmitter, cmd, appId, containerId,
-        workDir.toString(), "/bin/echo", "/dev/null", pidFile),
+        workDir.toString(), "/bin/echo", "/dev/null", pidFile.toString()),
         readMockParams());
   }