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HDFS-5110 Change FSDataOutputStream to HdfsDataOutputStream for opened streams to fix type cast error. Contributed by Brandon Li 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515624 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brandon Li 2013-08-19 21:54:51 +00:00
parent be0317e021
commit c9b89de0ea
3 changed files with 11 additions and 8 deletions
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9
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/OpenFileCtx.java
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@ -32,7 +32,6 @@
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.hdfs.DFSClient;
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream.SyncFlag;
@ -70,7 +69,7 @@ class OpenFileCtx {
// The stream write-back status. True means one thread is doing write back.
private boolean asyncStatus;
private final FSDataOutputStream fos;
private final HdfsDataOutputStream fos;
private final Nfs3FileAttributes latestAttr;
private long nextOffset;
@ -114,7 +113,7 @@ private long updateNonSequentialWriteInMemory(long count) {
return nonSequentialWriteInMemory;
}
OpenFileCtx(FSDataOutputStream fos, Nfs3FileAttributes latestAttr,
OpenFileCtx(HdfsDataOutputStream fos, Nfs3FileAttributes latestAttr,
String dumpFilePath) {
this.fos = fos;
this.latestAttr = latestAttr;
@ -438,7 +437,7 @@ private WRITE3Response processPerfectOverWrite(DFSClient dfsClient,
FSDataInputStream fis = null;
try {
// Sync file data and length to avoid partial read failure
((HdfsDataOutputStream) fos).hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH));
fos.hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH));
fis = new FSDataInputStream(dfsClient.open(path));
readCount = fis.read(offset, readbuffer, 0, count);
@ -527,7 +526,7 @@ private int checkCommitInternal(long commitOffset) {
int ret = COMMIT_WAIT;
try {
// Sync file data and length
((HdfsDataOutputStream) fos).hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH));
fos.hsync(EnumSet.of(SyncFlag.UPDATE_LENGTH));
// Nothing to do for metadata since attr related change is pass-through
ret = COMMIT_FINISHED;
} catch (IOException e) {

7
hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
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@ -29,7 +29,7 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
import org.apache.hadoop.fs.Options;
import org.apache.hadoop.fs.FileSystem.Statistics;
import org.apache.hadoop.fs.FileUtil;
@ -629,7 +629,7 @@ public CREATE3Response create(XDR xdr, RpcAuthSys authSys) {
return new CREATE3Response(Nfs3Status.NFS3ERR_INVAL);
}
FSDataOutputStream fos = null;
HdfsDataOutputStream fos = null;
String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
WccAttr preOpDirAttr = null;
Nfs3FileAttributes postOpObjAttr = null;
@ -652,7 +652,8 @@ public CREATE3Response create(XDR xdr, RpcAuthSys authSys) {
EnumSet<CreateFlag> flag = (createMode != Nfs3Constant.CREATE_EXCLUSIVE) ? EnumSet
.of(CreateFlag.CREATE, CreateFlag.OVERWRITE) : EnumSet
.of(CreateFlag.CREATE);
fos = new FSDataOutputStream(dfsClient.create(fileIdPath, permission,
fos = new HdfsDataOutputStream(dfsClient.create(fileIdPath, permission,
flag, false, replication, blockSize, null, bufferSize, null),
statistics);

3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -296,6 +296,9 @@ Release 2.1.1-beta - UNRELEASED
HDFS-5107 Fix array copy error in Readdir and Readdirplus responses
(brandonli)
HDFS-5110 Change FSDataOutputStream to HdfsDataOutputStream for opened
streams to fix type cast error. (brandonli)
IMPROVEMENTS
HDFS-4513. Clarify in the WebHDFS REST API that all JSON respsonses may