HDFS-73. DFSOutputStream does not close all the sockets. Contributed by Uma Maheswara Rao G
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1157232 13f79535-47bb-0310-9956-ffa450edef68
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@ -964,6 +964,9 @@ Trunk (unreleased changes)
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HDFS-2240. Fix a deadlock in LeaseRenewer by enforcing lock acquisition
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ordering. (szetszwo)
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HDFS-73. DFSOutputStream does not close all the sockets.
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(Uma Maheswara Rao G via eli)
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BREAKDOWN OF HDFS-1073 SUBTASKS
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HDFS-1521. Persist transaction ID on disk between NN restarts.
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@ -36,7 +36,6 @@
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import java.util.List;
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import java.util.concurrent.atomic.AtomicBoolean;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.CreateFlag;
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import org.apache.hadoop.fs.FSOutputSummer;
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import org.apache.hadoop.fs.FileAlreadyExistsException;
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@ -63,7 +62,6 @@
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import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status;
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import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
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import org.apache.hadoop.hdfs.security.token.block.InvalidBlockTokenException;
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import org.apache.hadoop.hdfs.server.datanode.DataNode;
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import org.apache.hadoop.hdfs.server.namenode.NotReplicatedYetException;
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import org.apache.hadoop.hdfs.server.namenode.SafeModeException;
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import org.apache.hadoop.io.EnumSetWritable;
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@ -606,6 +604,7 @@ private void closeStream() {
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try {
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blockStream.close();
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} catch (IOException e) {
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setLastException(e);
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} finally {
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blockStream = null;
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}
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@ -614,10 +613,20 @@ private void closeStream() {
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try {
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blockReplyStream.close();
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} catch (IOException e) {
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setLastException(e);
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} finally {
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blockReplyStream = null;
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}
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}
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if (null != s) {
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try {
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s.close();
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} catch (IOException e) {
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setLastException(e);
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} finally {
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s = null;
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}
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}
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}
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//
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@ -1003,16 +1012,20 @@ private boolean createBlockOutputStream(DatanodeInfo[] nodes, long newGS,
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persistBlocks.set(true);
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boolean result = false;
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DataOutputStream out = null;
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try {
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assert null == s : "Previous socket unclosed";
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s = createSocketForPipeline(nodes[0], nodes.length, dfsClient);
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long writeTimeout = dfsClient.getDatanodeWriteTimeout(nodes.length);
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//
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// Xmit header info to datanode
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//
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DataOutputStream out = new DataOutputStream(new BufferedOutputStream(
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out = new DataOutputStream(new BufferedOutputStream(
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NetUtils.getOutputStream(s, writeTimeout),
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FSConstants.SMALL_BUFFER_SIZE));
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assert null == blockReplyStream : "Previous blockReplyStream unclosed";
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blockReplyStream = new DataInputStream(NetUtils.getInputStream(s));
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// send the request
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@ -1038,7 +1051,7 @@ private boolean createBlockOutputStream(DatanodeInfo[] nodes, long newGS,
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+ firstBadLink);
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}
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}
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assert null == blockStream : "Previous blockStream unclosed";
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blockStream = out;
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result = true; // success
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@ -1059,12 +1072,15 @@ private boolean createBlockOutputStream(DatanodeInfo[] nodes, long newGS,
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}
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hasError = true;
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setLastException(ie);
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blockReplyStream = null;
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result = false; // error
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} finally {
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if (!result) {
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IOUtils.closeSocket(s);
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s = null;
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IOUtils.closeStream(out);
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out = null;
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IOUtils.closeStream(blockReplyStream);
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blockReplyStream = null;
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}
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}
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return result;
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