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HDFS-2330. In NNStorage.java, IOExceptions of stream closures can mask root exceptions. Contributed by Uma Maheswara Rao G. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1372599 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2012-08-13 20:47:14 +00:00
parent c6469150a8
commit 6697240114
3 changed files with 14 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -423,6 +423,9 @@ Release 2.0.1-alpha - UNRELEASED
HDFS-3758. TestFuseDFS test failing. (Colin Patrick McCabe via eli)
HDFS-2330. In NNStorage.java, IOExceptions of stream closures can mask
root exceptions. (umamahesh via todd)
BREAKDOWN OF HDFS-3042 SUBTASKS
HDFS-2185. HDFS portion of ZK-based FailoverController (todd)

5
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImagePreTransactionalStorageInspector.java
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@ -36,6 +36,7 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
import org.apache.hadoop.hdfs.server.namenode.NNStorage.NameNodeDirType;
import org.apache.hadoop.hdfs.server.namenode.NNStorage.NameNodeFile;
import org.apache.hadoop.io.IOUtils;
/**
* Inspects a FSImage storage directory in the "old" (pre-HDFS-1073) format.
@ -130,8 +131,10 @@ class FSImagePreTransactionalStorageInspector extends FSImageStorageInspector {
DataInputStream in = new DataInputStream(new FileInputStream(timeFile));
try {
timeStamp = in.readLong();
} finally {
in.close();
in = null;
} finally {
IOUtils.cleanup(LOG, in);
}
}
return timeStamp;

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NNStorage.java
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@ -186,10 +186,12 @@ public class NNStorage extends Storage implements Closeable {
try {
oldFile.seek(0);
int oldVersion = oldFile.readInt();
oldFile.close();
oldFile = null;
if (oldVersion < LAST_PRE_UPGRADE_LAYOUT_VERSION)
return false;
} finally {
oldFile.close();
IOUtils.cleanup(LOG, oldFile);
}
return true;
}
@ -428,6 +430,8 @@ public class NNStorage extends Storage implements Closeable {
BufferedReader br = new BufferedReader(new FileReader(txidFile));
try {
txid = Long.valueOf(br.readLine());
br.close();
br = null;
} finally {
IOUtils.cleanup(LOG, br);
}
@ -449,6 +453,8 @@ public class NNStorage extends Storage implements Closeable {
try {
fos.write(String.valueOf(txid).getBytes());
fos.write('\n');
fos.close();
fos = null;
} finally {
IOUtils.cleanup(LOG, fos);
}