From 292bd78b4494ba1a1073b32b3f89d95e72f3204d Mon Sep 17 00:00:00 2001
From: Wei-Chiu Chuang <weichiu@apache.org>
Date: Fri, 9 Dec 2016 16:07:56 -0800
Subject: [PATCH] HDFS-11229. HDFS-11056 failed to close meta file. Contributed
 by Wei-Chiu Chuang.

---
 .../hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
index 7abccb986df..216b9347da3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
@@ -1188,9 +1188,10 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
     int offsetInChecksum = BlockMetadataHeader.getHeaderSize() +
         (int)(onDiskLen / bytesPerChecksum * checksumSize);
     byte[] lastChecksum = new byte[checksumSize];
-    RandomAccessFile raf = new RandomAccessFile(metaFile, "r");
-    raf.seek(offsetInChecksum);
-    raf.read(lastChecksum, 0, checksumSize);
+    try (RandomAccessFile raf = new RandomAccessFile(metaFile, "r")) {
+      raf.seek(offsetInChecksum);
+      raf.read(lastChecksum, 0, checksumSize);
+    }
     return lastChecksum;
   }