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Hadoop, mail # user - IOException: too many length or distance symbols


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Re: IOException: too many length or distance symbols
Harsh J 2012-07-29, 19:50
Good to know Prashant, thanks for getting back!

On Mon, Jul 30, 2012 at 12:54 AM, Prashant Kommireddi
<[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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
>> <[EMAIL PROTECTED]> 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