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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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Jerry Ye reopened MAHOUT-265:
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Hi Jake,
Can you make the same changes to
utils/src/main/java/org/apache/mahout/utils/vectors/arff/Driver.java? The arff
driver is having the same problem. I made the changes and everything seems
fine on my end.
- jerry
> 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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