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List:       hadoop-user
Subject:    Re: IOException: too many length or distance symbols
From:       Harsh J <harsh () cloudera ! com>
Date:       2012-07-29 19:55:57
Message-ID: CAOcnVr2pyu0ebBCQ+nA4nLCuy=cvxpy2cUM6rYGkmmAZf_kd7Q () mail ! gmail ! com
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Good to know Prashant, thanks for getting back!

On Mon, Jul 30, 2012 at 12:54 AM, Prashant Kommireddi
<prash1784@gmail.com> wrote:
> Thanks Harsh.
> 
> On digging some more it appears there was a data corruption issue with
> the file that caused the exception. After having regenerated the gzip
> file from source I no longer see the issue.
> 
> 
> On Jul 20, 2012, at 8:48 PM, Harsh J <harsh@cloudera.com> wrote:
> 
> > Prashant,
> > 
> > Can you add in some context on how these files were written, etc.?
> > Perhaps open a JIRA with a sample file and test-case to reproduce
> > this? Other env stuff with info on version of hadoop, etc. would help
> > too.
> > 
> > On Sat, Jul 21, 2012 at 2:05 AM, Prashant Kommireddi
> > <prash1784@gmail.com> wrote:
> > > I am seeing these exceptions, anyone know what they might be caused due to?
> > > Case of corrupt file?
> > > 
> > > java.io.IOException: too many length or distance symbols
> > > at org.apache.hadoop.io.compress.zlib.ZlibDecompressor.inflateBytesDirect(Native
> > >  Method)
> > > at org.apache.hadoop.io.compress.zlib.ZlibDecompressor.decompress(ZlibDecompressor.java:221)
> > >  at org.apache.hadoop.io.compress.DecompressorStream.decompress(DecompressorStream.java:80)
> > >  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.mapreduce.lib.input.LineRecordReader.nextKeyValue(LineRecordReader.java:97)
> > >  at org.apache.pig.builtin.PigStorage.getNext(PigStorage.java:109)
> > > at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:187)
> > >  at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:423)
> > >  at org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
> > > at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
> > > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
> > > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> > > at org.apache.hadoop.mapred.Child.main(Child.java:170)
> > > 
> > > 
> > > Thanks,
> > > Prashant
> > 
> > 
> > 
> > --
> > Harsh J



-- 
Harsh J


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