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HADOOP-11724. DistCp throws NPE when the target directory is root. (Lei Eddy Xu via Yongjun Zhang) 

(cherry-picked from commit 65ee02d9ed50e026c2d37ec80babd4176075ff84)
This commit is contained in:
Yongjun Zhang 2015-03-25 15:45:45 -07:00
parent be4eabdcd4
commit be0d228ed1
2 changed files with 6 additions and 0 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -42,6 +42,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-10027. *Compressor_deflateBytesDirect passes instance instead of
jclass to GetStaticObjectField. (Hui Zheng via cnauroth)
HADOOP-11724. DistCp throws NPE when the target directory is root.
(Lei Eddy Xu via Yongjun Zhang)
Release 2.7.0 - UNRELEASED
INCOMPATIBLE CHANGES

3
hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java
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@ -133,6 +133,9 @@ public class CopyCommitter extends FileOutputCommitter {
private void deleteAttemptTempFiles(Path targetWorkPath,
FileSystem targetFS,
String jobId) throws IOException {
if (targetWorkPath == null) {
return;
}
FileStatus[] tempFiles = targetFS.globStatus(
new Path(targetWorkPath, ".distcp.tmp." + jobId.replaceAll("job","attempt") + "*"));