Skip to content

Instantly share code, notes, and snippets.

@adamw
Created October 4, 2013 11:34
Show Gist options
  • Save adamw/6824585 to your computer and use it in GitHub Desktop.
Save adamw/6824585 to your computer and use it in GitHub Desktop.
2013-10-04 11:05:03,921 FATAL org.apache.hadoop.mapred.Child (main): Error running child : java.lang.NoSuchMethodError: org.apache.lucene.util.PriorityQueue.<init>(I)V
at org.apache.mahout.math.hadoop.similarity.cooccurrence.TopElementsQueue.<init>(TopElementsQueue.java:33)
at org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJob$UnsymmetrifyMapper.map(RowSimilarityJob.java:405)
at org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJob$UnsymmetrifyMapper.map(RowSimilarityJob.java:389)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:771)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:375)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
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:1132)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment