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ASF GitHub Bot commented on HIVEMALL-268: ----------------------------------------- asfgit commented on pull request #200: [HIVEMALL-268] Fix the default vInit, eta initialization bug in FactorizationMachines URL: https://github.com/apache/incubator-hivemall/pull/200 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > 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 > Priority: Critical > 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() > 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 more > Caused 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} -- This message was sent by Atlassian Jira (v8.3.4#803005)