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From "Otis Gospodnetic (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (NUTCH-742) Checksum Error
Date Sun, 21 Jun 2009 03:36:07 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Otis Gospodnetic resolved NUTCH-742.
------------------------------------

    Resolution: Incomplete

Could you please post more detailed information to nutch-user mailing list first?

> Checksum Error 
> ---------------
>
>                 Key: NUTCH-742
>                 URL: https://issues.apache.org/jira/browse/NUTCH-742
>             Project: Nutch
>          Issue Type: Bug
>          Components: indexer
>    Affects Versions: 1.0.0
>         Environment: linux ubuntu8.0.4 64bit 
> 10datanode 4G of memory per node 
>            Reporter: mawanqiang
>
> Approximately 1 million data used to create index when nutch1.0 error.
> The error is:
> java.lang.RuntimeException: problem advancing post rec#6758513
> at org.apache.hadoop.mapred.Task$ValuesIterator.next(Task.java:883)
> at org.apache.hadoop.mapred.ReduceTask$ReduceValuesIterator.moveToNext(ReduceTask.java:237)
> at org.apache.hadoop.mapred.ReduceTask$ReduceValuesIterator.next(ReduceTask.java:233)
> at org.apache.nutch.indexer.IndexerMapReduce.reduce(IndexerMapReduce.java:79)
> at org.apache.nutch.indexer.IndexerMapReduce.reduce(IndexerMapReduce.java:50)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:436)
> at org.apache.hadoop.mapred.Child.main(Child.java:158)
> Caused by: org.apache.hadoop.fs.ChecksumException: Checksum Error
> at org.apache.hadoop.mapred.IFileInputStream.doRead(IFileInputStream.java:153)
> at org.apache.hadoop.mapred.IFileInputStream.read(IFileInputStream.java:90)
> at org.apache.hadoop.mapred.IFile$Reader.readData(IFile.java:301)
> at org.apache.hadoop.mapred.IFile$Reader.rejigData(IFile.java:331)
> at org.apache.hadoop.mapred.IFile$Reader.readNextBlock(IFile.java:315)
> at org.apache.hadoop.mapred.IFile$Reader.next(IFile.java:377)
> at org.apache.hadoop.mapred.Merger$Segment.next(Merger.java:174)
> at org.apache.hadoop.mapred.Merger$MergeQueue.adjustPriorityQueue(Merger.java:277)
> at org.apache.hadoop.mapred.Merger$MergeQueue.next(Merger.java:297)
> at org.apache.hadoop.mapred.Task$ValuesIterator.readNextKey(Task.java:922)
> at org.apache.hadoop.mapred.Task$ValuesIterator.next(Task.java:881)
> ... 6 more

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