hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Xiao Kang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6663) BlockDecompressorStream get EOF exception when decompressing the file compressed from empty file
Date Tue, 06 Apr 2010 13:56:33 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao Kang updated HADOOP-6663:
------------------------------

    Release Note: Fix EOF exception in BlockDecompressorStream when decompressing previous
compressed empty file
          Status: Patch Available  (was: Open)

> BlockDecompressorStream get EOF exception when decompressing the file compressed from
empty file
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6663
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6663
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.20.2
>            Reporter: Xiao Kang
>         Attachments: BlockDecompressorStream.java.patch, BlockDecompressorStream.java.patch,
BlockDecompressorStream.patch
>
>
> An empty file can be compressed using BlockDecompressorStream, which is for block-based
compressiong algorithm such as LZO. However, when decompressing the compressed file, BlockDecompressorStream
get EOF exception.
> Here is a typical exception stack:
> java.io.EOFException
> at org.apache.hadoop.io.compress.BlockDecompressorStream.rawReadInt(BlockDecompressorStream.java:125)
> at org.apache.hadoop.io.compress.BlockDecompressorStream.getCompressedData(BlockDecompressorStream.java:96)
> at org.apache.hadoop.io.compress.BlockDecompressorStream.decompress(BlockDecompressorStream.java:82)
> at org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:74)
> at java.io.InputStream.read(InputStream.java:85)
> at org.apache.hadoop.util.LineReader.readLine(LineReader.java:134)
> at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:134)
> at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:39)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:186)
> at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:170)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
> at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:18)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:334)
> at org.apache.hadoop.mapred.Child.main(Child.java:196)

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message