[ https://issues.apache.org/jira/browse/HIVEMALL-268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Makoto Yui closed HIVEMALL-268. ------------------------------- Resolution: Fixed > 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)