Hi
sink ??kafka????????kafka????????1.0??????kafka????????????????????????????????EXACTLY-ONCE???????????????????????????????? Best, Yichao Yang ------------------ ???????? ------------------ ??????: "??????"<huyunchuan1...@foxmail.com>; ????????: 2020??6??10??(??????) ????2:25 ??????: "user-zh"<user-zh@flink.apache.org>; ????: flink?????????????????? &gt;Hi, &gt;??????flink??kafka??????????????????EXACTLY-ONCE?????? &gt;??debug??????????????????????invoke????????traction.producer.send()??????????????????????????????????precommit??commit???? &gt;??????????????????????????????