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Posted to issues@hivemall.apache.org by GitBox <gi...@apache.org> on 2020/06/04 02:26:05 UTC

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

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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