Hi,
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)
Any ideas? Thanks.
- jerry
