Index: ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java (revision 031c899c5836db94618f2dee0e55c990cf7062ce) +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java (date 1654490681636) @@ -205,6 +205,7 @@ super.initializeOp(hconf); numRowsInput = 0; numRowsHashTbl = 0; + currentKeys = null; heartbeatInterval = HiveConf.getIntVar(hconf, HiveConf.ConfVars.HIVESENDHEARTBEAT);