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Posted to issues@hivemall.apache.org by "Makoto Yui (Jira)" <ji...@apache.org> on 2019/09/12 08:00:00 UTC
[jira] [Created] (HIVEMALL-268) train_ffm(features,label) causes
NPE while train_ffm(features,label,'') works fine
Makoto Yui created HIVEMALL-268:
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Summary: train_ffm(features,label) causes NPE while train_ffm(features,label,'') works fine
Key: HIVEMALL-268
URL: https://issues.apache.org/jira/browse/HIVEMALL-268
Project: Hivemall
Issue Type: Bug
Affects Versions: 0.5.2
Reporter: Makoto Yui
Assignee: Makoto Yui
Fix For: 0.6.0
train_ffm(features,label) causes NPE while train_ffm(features,label,'') works fine.
{code:java}
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Exception caused in the 1-th call of train()Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Exception caused in the 1-th call of train() at hivemall.fm.FactorizationMachineUDTF.train(FactorizationMachineUDTF.java:404) at hivemall.fm.FactorizationMachineUDTF.process(FactorizationMachineUDTF.java:314) at org.apache.hadoop.hive.ql.exec.UDTFOperator.processOp(UDTFOperator.java:107) at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793) at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:87) at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793) at org.apache.hadoop.hive.ql.exec.ExtractOperator.processOp(ExtractOperator.java:45) at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:262) ... 11 moreCaused by: java.lang.NullPointerException at hivemall.fm.FactorizationMachineModel.initV(FactorizationMachineModel.java:391) at hivemall.fm.FFMStringFeatureMapModel.getV(FFMStringFeatureMapModel.java:152) at hivemall.fm.FieldAwareFactorizationMachineModel.predict(FieldAwareFactorizationMachineModel.java:98) at hivemall.fm.FieldAwareFactorizationMachineUDTF.trainTheta(FieldAwareFactorizationMachineUDTF.java:195) at hivemall.fm.FactorizationMachineUDTF.train(FactorizationMachineUDTF.java:401) ... 18 more
{code}
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