RocketMQ integration for Apache Flink. This module includes the RocketMQ source and sink that allows a flink job to either write messages into a topic or read from topics in a flink job.
When use legacy source , we should catch and throw the exception in the source‘s main thread ,so that flink can stop with failed status but not finished status
When use legacy source , we should catch and throw the exception in the source‘s main thread ,so that flink can stop with failed status but not finished status