[MAHOUT-265] Error with creating MVC from Lucene Index or Arff

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3
• Fix Version/s: 0.3

Environment

RHEL 2.6, Mac OS 10.6.2

• Assignee: Jake Mannix
• Reporter: Jerry Ye
• Created: 20/Jan/10 19:51
• Updated: 21/May/11 03:24
• Resolved: 28/Jan/10 06:16

Description

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