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Posted to common-dev@hadoop.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2009/01/15 07:58:00 UTC
[jira] Updated: (HADOOP-4918) Fix bzip2 work with SequenceFile
[ https://issues.apache.org/jira/browse/HADOOP-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zheng Shao updated HADOOP-4918:
-------------------------------
Component/s: (was: mapred)
io
Affects Version/s: 0.21.0
0.20.0
0.19.0
Fix Version/s: 0.20.0
0.19.1
Issue Type: Bug (was: Improvement)
Summary: Fix bzip2 work with SequenceFile (was: Make bzip2 work with SequenceFile)
> Fix bzip2 work with SequenceFile
> --------------------------------
>
> Key: HADOOP-4918
> URL: https://issues.apache.org/jira/browse/HADOOP-4918
> Project: Hadoop Core
> Issue Type: Bug
> Components: io
> Affects Versions: 0.19.0, 0.20.0, 0.21.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Fix For: 0.19.1, 0.20.0, 0.21.0
>
> Attachments: HADOOP-4918.3.0.19.patch, HADOOP-4918.3.0.20.patch, HADOOP-4918.3.patch
>
>
> Somehow bzip2 does not work with SequenceFile:
> {code}
> String codec = "org.apache.hadoop.io.compress.BZip2Codec";
> SequenceFile.Writer writer = SequenceFile.createWriter(fs, conf, new Path(output),
> reader.getKeyClass(), reader.getValueClass(), CompressionType.BLOCK,
> (CompressionCodec)Class.forName(codec).newInstance());
> {code}
> The stack trace is here:
> {noformat}
> java.lang.UnsupportedOperationException
> at org.apache.hadoop.io.compress.BZip2Codec.getCompressorType(BZip2Codec.java:80)
> at org.apache.hadoop.io.compress.CodecPool.getCompressor(CodecPool.java:98)
> at org.apache.hadoop.io.SequenceFile$Writer.init(SequenceFile.java:914)
> at org.apache.hadoop.io.SequenceFile$BlockCompressWriter.<init>(SequenceFile.java:1198)
> at org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:401)
> at org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:329)
> at org.apache.hadoop.mapred.TestSequenceFileBZip.main(TestSequenceFileBZip.java:43)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:165)
> at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
> {noformat}
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