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https://issues.apache.org/jira/browse/MAHOUT-191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-191:
-----------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed variant on patches on behalf of submitters. Did not override the
standard setDocumentNumber() method since this seems to be available in Lucene
now and undesirable to cut off calls to super.setDocumentNumber()?
> NPE while creating term vectors with an index on a field that does not exist
> in all the documents
> -------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-191
> URL: https://issues.apache.org/jira/browse/MAHOUT-191
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.3
> Environment: mac, snow leopard, eclipse galileo, jdk 6
> Reporter: Sushil Bajracharya
> Assignee: Sean Owen
> Fix For: 0.3
>
> Attachments: MAHOUT-191-patch.txt, MAHOUT-191.patch
>
>
> (based on the message from here:
> http://www.nabble.com/Creating-Vectors-from-Text-tt24298643.html#a26090263)
> I checked out mahout from trunk and tried to create term frequency vector
> from a lucene index and ran into this..
> 09/10/27 17:36:10 INFO lucene.Driver: Output File:
> /Users/shoeseal/DATA/luc2tvec.out
> 09/10/27 17:36:11 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> 09/10/27 17:36:11 INFO compress.CodecPool: Got brand-new compressor
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.mahout.utils.vectors.lucene.LuceneIterable$TDIterator.next(LuceneIterable.java:109)
> at
> org.apache.mahout.utils.vectors.lucene.LuceneIterable$TDIterator.next(LuceneIterable.java:1)
> at
> org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter.write(SequenceFileVectorWriter.java:40)
> at org.apache.mahout.utils.vectors.lucene.Driver.main(Driver.java:200)
> I am running this from Eclipse (snow leopard with JDK 6), on an index that
> has field with stored term vectors..
> my input parameters for Driver are:
> --dir <path>/smallidx/ --output <path>/luc2tvec.out --idField id_field
> --field field_with_TV --dictOut <path>/luc2tvec.dict --max 50 --weight tf
> Luke shows the following info on the fields I am using:
> id_field is indexed, stored, omit norms
> field_with_TV is indexed, tokenized, stored, term vector
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