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https://issues.apache.org/jira/browse/MAHOUT-265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-265:
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Fix Version/s: 0.3
Assignee: Jake Mannix
The problem is basically there is no seiralizer available for
RandomAccessSparseVector.
And indeed Jake you pulled these apart right, so Hadoop serialization bindings
are separate now? what's the way to serialize these guys now?
> Error with creating MVC from Lucene Index or Arff
> -------------------------------------------------
>
> Key: MAHOUT-265
> URL: https://issues.apache.org/jira/browse/MAHOUT-265
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.3
> Environment: RHEL 2.6, Mac OS 10.6.2
> Reporter: Jerry Ye
> Assignee: Jake Mannix
> Fix For: 0.3
>
>
> I'm getting the following error when trying to create vectors from a Solr
> index. I've also tried using the arff to mvc utility and I'm getting the
> exact same error.
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.hadoop.io.serializer.SerializationFactory.getSerializer(SerializationFactory.java:73)
> at org.apache.hadoop.io.SequenceFile$Writer.init(SequenceFile.java:910)
> at
> org.apache.hadoop.io.SequenceFile$RecordCompressWriter.<init>(SequenceFile.java:1074)
> at org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:397)
> at org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:284)
> at org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:265)
> at
> org.apache.mahout.utils.vectors.lucene.Driver.getSeqFileWriter(Driver.java:226)
> at org.apache.mahout.utils.vectors.lucene.Driver.main(Driver.java:197)
> I'm getting this error with revision 901336 but not with revision 897299
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