From d9e4d67d18811e16d5b0a76ea8228d333ded195f Mon Sep 17 00:00:00 2001
From: Robert Kanter <rkanter@apache.org>
Date: Fri, 19 Dec 2014 11:59:22 -0800
Subject: [PATCH] MAPREDUCE-6045. need close the DataInputStream after open it
 in TestMapReduce.java (zxu via rkanter)

---
 hadoop-mapreduce-project/CHANGES.txt                 |  3 +++
 .../org/apache/hadoop/mapreduce/TestMapReduce.java   | 12 ++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 41fdb4f295..18270f68ca 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -285,6 +285,9 @@ Release 2.7.0 - UNRELEASED
     MAPREDUCE-6166. Reducers do not validate checksum of map outputs when
     fetching directly to disk. (Eric Payne via gera)
 
+    MAPREDUCE-6045. need close the DataInputStream after open it in
+    TestMapReduce.java (zxu via rkanter)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMapReduce.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMapReduce.java
index 48ad47af22..912f0e352f 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMapReduce.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMapReduce.java
@@ -465,11 +465,15 @@ private static void printSequenceFile(FileSystem fs, Path p,
   private static boolean isSequenceFile(FileSystem fs,
                                         Path f) throws IOException {
     DataInputStream in = fs.open(f);
-    byte[] seq = "SEQ".getBytes();
-    for(int i=0; i < seq.length; ++i) {
-      if (seq[i] != in.read()) {
-        return false;
+    try {
+      byte[] seq = "SEQ".getBytes();
+      for (int i = 0; i < seq.length; ++i) {
+        if (seq[i] != in.read()) {
+          return false;
+        }
       }
+    } finally {
+      in.close();
     }
     return true;
   }