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  1. Mahout
  2. MAHOUT-1633

Failure to execute query when solr index contains documents with different fields

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      When using Lucene2Seq on a lucene Index that contains documents that have different fields the following error is output:

      java.lang.IllegalArgumentException: Could not create query scorer for query: tableName:code
      at org.apache.mahout.text.LuceneSegmentRecordReader.initialize(LuceneSegmentRecordReader.java:69)
      at org.apache.mahout.text.LuceneSegmentInputFormat.createRecordReader(LuceneSegmentInputFormat.java:76)
      at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.<init>(MapTask.java:492)
      at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:735)
      at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
      at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
      at java.security.AccessController.doPrivileged(Native Method)
      at javax.security.auth.Subject.doAs(Subject.java:415)
      at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1557)
      at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)

      The query that is used executes fine in Solr upon the same index. If the index does not contain documents having different fields (from the same source) the function executes without a problem.

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            frankscholten Frank Scholten
            TomAL Tom Lampert
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