[ https://issues.apache.org/jira/browse/HIVEMALL-296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Makoto Yui closed HIVEMALL-296. ------------------------------- Resolution: Fixed > NPE happens in General classifier/regressor when the number of input records > is zero > ------------------------------------------------------------------------------------ > > Key: HIVEMALL-296 > URL: https://issues.apache.org/jira/browse/HIVEMALL-296 > Project: Hivemall > Issue Type: Bug > Affects Versions: 0.6.0 > Reporter: Makoto Yui > Assignee: Makoto Yui > Priority: Minor > Fix For: 0.6.2 > > > The following error happens when the number of input records is zero. > {code} > Caused by: java.lang.NullPointerException > at > hivemall.GeneralLearnerBaseUDTF.forwardModel(GeneralLearnerBaseUDTF.java:763) > at > hivemall.GeneralLearnerBaseUDTF.close(GeneralLearnerBaseUDTF.java:560) > at > org.apache.hadoop.hive.ql.exec.UDTFOperator.closeOp(UDTFOperator.java:152) > at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:697) > at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711) > at > org.apache.hadoop.hive.ql.exec.mr.ExecReducer.close(ExecReducer.java:279) > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)