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HDFS-4292. Sanity check not correct in RemoteBlockReader2.newBlockReader. Contributed by Binglin Chang. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1419676 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2012-12-10 19:13:09 +00:00
parent 8fa6d8a074
commit f8f4269cd7
3 changed files with 5 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -315,6 +315,9 @@ Release 2.0.3-alpha - Unreleased
HDFS-4291. edit log unit tests leave stray test_edit_log_file around HDFS-4291. edit log unit tests leave stray test_edit_log_file around
(Colin Patrick McCabe via todd) (Colin Patrick McCabe via todd)
HDFS-4292. Sanity check not correct in RemoteBlockReader2.newBlockReader
(Binglin Chang via todd)
BREAKDOWN OF HDFS-3077 SUBTASKS BREAKDOWN OF HDFS-3077 SUBTASKS
HDFS-3077. Quorum-based protocol for reading and writing edit logs. HDFS-3077. Quorum-based protocol for reading and writing edit logs.

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/RemoteBlockReader.java
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@ -404,7 +404,7 @@ public class RemoteBlockReader extends FSInputChecker implements BlockReader {
long firstChunkOffset = checksumInfo.getChunkOffset(); long firstChunkOffset = checksumInfo.getChunkOffset();
if ( firstChunkOffset < 0 || firstChunkOffset > startOffset || if ( firstChunkOffset < 0 || firstChunkOffset > startOffset ||
firstChunkOffset >= (startOffset + checksum.getBytesPerChecksum())) { firstChunkOffset <= (startOffset - checksum.getBytesPerChecksum())) {
throw new IOException("BlockReader: error in first chunk offset (" + throw new IOException("BlockReader: error in first chunk offset (" +
firstChunkOffset + ") startOffset is " + firstChunkOffset + ") startOffset is " +
startOffset + " for file " + file); startOffset + " for file " + file);

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/RemoteBlockReader2.java
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@ -413,7 +413,7 @@ public class RemoteBlockReader2 implements BlockReader {
long firstChunkOffset = checksumInfo.getChunkOffset(); long firstChunkOffset = checksumInfo.getChunkOffset();
if ( firstChunkOffset < 0 || firstChunkOffset > startOffset || if ( firstChunkOffset < 0 || firstChunkOffset > startOffset ||
firstChunkOffset >= (startOffset + checksum.getBytesPerChecksum())) { firstChunkOffset <= (startOffset - checksum.getBytesPerChecksum())) {
throw new IOException("BlockReader: error in first chunk offset (" + throw new IOException("BlockReader: error in first chunk offset (" +
firstChunkOffset + ") startOffset is " + firstChunkOffset + ") startOffset is " +
startOffset + " for file " + file); startOffset + " for file " + file);