k 1.16.0 Writing data to s3 with flink sql reports the following error：Caused by: java.lang.UnsupportedOperationException: Cannot sync state to system like S3. Use persist() to create a persistent recoverable intermediate point.

Are you writing CSV data by any chance? In this case you might be hitting https://issues.apache.org/jira/browse/FLINK-30049

cool. it is csv data！