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https://issues.apache.org/jira/browse/HADOOP-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853991#action_12853991
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Hadoop QA commented on HADOOP-6663:
-----------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12440828/BlockDecompressorStream.java.patch
against trunk revision 930096.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/443/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/443/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/443/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/443/console
This message is automatically generated.
> 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)
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