[ https://issues.apache.org/jira/browse/HIVE-5279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Navis updated HIVE-5279: ------------------------ Status: Patch Available (was: Open) Missed those tests and sorry for delay. > Kryo cannot instantiate GenericUDAFEvaluator in GroupByDesc > ----------------------------------------------------------- > > Key: HIVE-5279 > URL: https://issues.apache.org/jira/browse/HIVE-5279 > Project: Hive > Issue Type: Bug > Components: Query Processor > Reporter: Navis > Assignee: Navis > Priority: Critical > Attachments: 5279.patch, D12963.1.patch, D12963.2.patch, > D12963.3.patch > > > We didn't forced GenericUDAFEvaluator to be Serializable. I don't know how > previous serialization mechanism solved this but, kryo complaints that it's > not Serializable and fails the query. > The log below is the example, > {noformat} > java.lang.RuntimeException: com.esotericsoftware.kryo.KryoException: Class > cannot be created (missing no-arg constructor): > org.apache.hadoop.hive.serde2.objectinspector.StandardListObjectInspector > Serialization trace: > inputOI > (org.apache.hadoop.hive.ql.udf.generic.GenericUDAFGroupOn$VersionedFloatGroupOnEval) > genericUDAFEvaluator (org.apache.hadoop.hive.ql.plan.AggregationDesc) > aggregators (org.apache.hadoop.hive.ql.plan.GroupByDesc) > conf (org.apache.hadoop.hive.ql.exec.GroupByOperator) > childOperators (org.apache.hadoop.hive.ql.exec.SelectOperator) > childOperators (org.apache.hadoop.hive.ql.exec.TableScanOperator) > aliasToWork (org.apache.hadoop.hive.ql.plan.MapWork) > at > org.apache.hadoop.hive.ql.exec.Utilities.getBaseWork(Utilities.java:312) > at > org.apache.hadoop.hive.ql.exec.Utilities.getMapWork(Utilities.java:261) > at > org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:256) > at > org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:383) > at org.apache.h > {noformat} > If this cannot be fixed in somehow, some UDAFs should be modified to be run > on hive-0.13.0 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira