Github user myui commented on the issue:
https://github.com/apache/incubator-hivemall/pull/105
Need to fix the following error:
```
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row (tag=0)
{"key":{"reducesinkkey0":1222736,"reducesinkkey1":"0"},"value":{"_col0":60000683,"_col2":1.9218120556728056,"_col3":1.0,"_col5":0.0,"_col6":[21.011486,-6.3776617,4.0689898,0.8347159]}}
at
org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:356)
at
org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:278)
... 16 more
Caused by: org.apache.hadoop.hive.ql.exec.UDFArgumentException: The second
and third arguments (Vij, Vji) must not be null
at
hivemall.fm.FFMPredictGenericUDAF$Evaluator.iterate(FFMPredictGenericUDAF.java:159)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:188)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.updateAggregations(GroupByOperator.java:619)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.processHashAggr(GroupByOperator.java:794)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.processKey(GroupByOperator.java:700)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.process(GroupByOperator.java:768)
at
org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:878)
at
org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
at
org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:878)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.internalForward(CommonJoinOperator.java:647)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.createForwardJoinObject(CommonJoinOperator.java:442)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.genObject(CommonJoinOperator.java:534)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.genObject(CommonJoinOperator.java:531)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.genJoinObject(CommonJoinOperator.java:460)
at
org.apache.hadoop.hive.ql.exec.CommonJoinOperator.checkAndGenObject(CommonJoinOperator.java:761)
at
org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinObject(CommonMergeJoinOperator.java:316)
at
org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:279)
at
org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.joinOneGroup(CommonMergeJoinOperator.java:272)
at
org.apache.hadoop.hive.ql.exec.CommonMergeJoinOperator.process(CommonMergeJoinOperator.java:258)
at
org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:347)
... 17 more
```
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