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Posted to issues@hivemall.apache.org by GitBox <gi...@apache.org> on 2020/06/02 00:24:59 UTC

[GitHub] [incubator-hivemall] myui opened a new pull request #229: [HIVEMALL-295][BUGFIX] transpose_and_dot throws UDFArgumentException for 0 rows input

myui opened a new pull request #229:
URL: https://github.com/apache/incubator-hivemall/pull/229


   ## What changes were proposed in this pull request?
   
   transpose_and_dot throws UDFArgumentException for 0 rows input.
   
   ```
   WITH INPUT AS(
     SELECT 
       ARRAY(1.0,2.0,3.0) AS X,
       ARRAY(0,1) AS Y
   )
   SELECT 
     transpose_and_dot(Y,X) AS observed
   FROM
     INPUT
   WHERE false
   
   Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.exec.UDFArgumentException
           at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1126)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:697)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
           at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.close(MapRecordProcessor.java:464)
           ... 15 more
   Caused by: org.apache.hadoop.hive.ql.exec.UDFArgumentException
           at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
           at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
           at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
           at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
           at java.lang.Class.newInstance(Class.java:442)
           at hivemall.utils.lang.Preconditions.checkNotNull(Preconditions.java:43)
           at hivemall.tools.matrix.TransposeAndDotUDAF$TransposeAndDotUDAFEvaluator.iterate(TransposeAndDotUDAF.java:172)
           at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:192)
           at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1117)
           ... 21 more
   ```
   
   ## What type of PR is it?
   
   Bug Fix
   
   ## What is the Jira issue?
   
   https://issues.apache.org/jira/browse/HIVEMALL-295
   
   ## How was this patch tested?
   
   manual tests on EMR
   
   ## Checklist
   
   (Please remove this section if not needed; check `x` for YES, blank for NO)
   
   - [x] Did you apply source code formatter, i.e., `./bin/format_code.sh`, for your commit?
   - [x] Did you run system tests on Hive (or Spark)?
   


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[GitHub] [incubator-hivemall] asfgit closed pull request #229: [HIVEMALL-295][BUGFIX] transpose_and_dot throws UDFArgumentException for 0 rows input

Posted by GitBox <gi...@apache.org>.
asfgit closed pull request #229:
URL: https://github.com/apache/incubator-hivemall/pull/229


   


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[GitHub] [incubator-hivemall] myui commented on pull request #229: [HIVEMALL-295][BUGFIX] transpose_and_dot throws UDFArgumentException for 0 rows input

Posted by GitBox <gi...@apache.org>.
myui commented on pull request #229:
URL: https://github.com/apache/incubator-hivemall/pull/229#issuecomment-638563378


   ```
   Caused by: java.lang.NullPointerException
           at hivemall.tools.matrix.TransposeAndDotUDAF$TransposeAndDotUDAFEvaluator.terminate(TransposeAndDotUDAF.java:235)
           at hivemall.tools.matrix.TransposeAndDotUDAF$TransposeAndDotUDAFEvaluator.terminatePartial(TransposeAndDotUDAF.java:226)
           at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.evaluate(GenericUDAFEvaluator.java:208)
           at org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:1044)
   ```


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