[jira] [Created] (FLINK-18961) In the case of FlatMap linking map, if map returns null, an exception will be thrown in FlatMap
Ryan created FLINK-18961: Summary: In the case of FlatMap linking map, if map returns null, an exception will be thrown in FlatMap Key: FLINK-18961 URL: https://issues.apache.org/jira/browse/FLINK-18961 Proj
[jira] [Created] (FLINK-19240) Hello, I have a job with multiple Kafka sources. They all contain certain historical data. If you use the events-time window, it will cause sources with less data to cov
Ryan created FLINK-19240: Summary: Hello, I have a job with multiple Kafka sources. They all contain certain historical data. If you use the events-time window, it will cause sources with less data to cover more sources through water mark. Is there a so