test.py under particular directory Found checksum error
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Key: HDFS-655
URL: https://issues.apache.org/jira/browse/HDFS-655
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs client
Affects Versions: 0.20.1
Environment: ubuntu 9.04, 32bit
Reporter: dengzhiping
$ ~/hadoop/bin/hadoop fs -ls /test
Found 1 items
-rw-r--r-- 2 freestyler supergroup 2 2009-09-25 10:39 /test/foo
$ ls -l
total 4
-rw-r--r-- 1 freestyler freestyler 2 2009-09-25 10:44 test.py
$ ~/hadoop/bin/hadoop fs -put test.py /test
09/09/25 10:53:56 INFO fs.FSInputChecker: Found checksum error: b[0, 2]=610a
org.apache.hadoop.fs.ChecksumException: Checksum error: test.py at 0
at
org.apache.hadoop.fs.FSInputChecker.verifySum(FSInputChecker.java:277)
at
org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:241)
at org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:189)
at org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:158)
at java.io.DataInputStream.read(DataInputStream.java:83)
at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:47)
at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:85)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:209)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:155)
at
org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1172)
at org.apache.hadoop.fs.FsShell.copyFromLocal(FsShell.java:130)
at org.apache.hadoop.fs.FsShell.run(FsShell.java:1747)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:1880)
put: Checksum error: test.py at 0
$ ~/hadoop/bin/hadoop fs -ls /test
Found 2 items
-rw-r--r-- 2 freestyler supergroup 2 2009-09-25 10:39 /test/foo
-rw-r--r-- 2 freestyler supergroup 0 2009-09-25 10:53 /test/test.py
$ cat test.py
a
$ cp test.py bar
$ ~/hadoop/bin/hadoop fs -put bar /test
$ ~/hadoop/bin/hadoop fs -ls /test
Found 3 items
-rw-r--r-- 2 freestyler supergroup 2 2009-09-25 10:56 /test/bar
-rw-r--r-- 2 freestyler supergroup 2 2009-09-25 10:39 /test/foo
-rw-r--r-- 2 freestyler supergroup 0 2009-09-25 10:53 /test/test.py
But theses things won't happen in different directories.
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