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HDFS-5671. Fix socket leak in DFSInputStream#getBlockReader. Contributed by JamesLi 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1554553 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uma Maheswara Rao G 2013-12-31 16:24:02 +00:00
parent 460ac8cb50
commit 97e881b955
2 changed files with 17 additions and 5 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1025,6 +1025,8 @@ Release 2.3.0 - UNRELEASED
HDFS-5582. hdfs getconf -excludeFile or -includeFile always failed (sathish
via cmccabe)
HDFS-5671. Fix socket leak in DFSInputStream#getBlockReader. (JamesLi via umamahesh)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

20
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
View File

@ -1188,11 +1188,21 @@ implements ByteBufferReadable, CanSetDropBehind, CanSetReadahead,
}
// Try to create a new remote peer.
Peer peer = newTcpPeer(dnAddr);
return BlockReaderFactory.newBlockReader(
dfsClient.getConf(), file, block, blockToken, startOffset,
len, verifyChecksum, clientName, peer, chosenNode,
dsFactory, peerCache, fileInputStreamCache, false,
curCachingStrategy);
try {
reader = BlockReaderFactory.newBlockReader(dfsClient.getConf(), file,
block, blockToken, startOffset, len, verifyChecksum, clientName,
peer, chosenNode, dsFactory, peerCache, fileInputStreamCache, false,
curCachingStrategy);
return reader;
} catch (IOException ex) {
DFSClient.LOG.debug(
"Exception while getting block reader, closing stale " + peer, ex);
throw ex;
} finally {
if (reader == null) {
IOUtils.closeQuietly(peer);
}
}
}