jiezais88 opened a new issue, #8787:
URL: https://github.com/apache/seatunnel/issues/8787

   ### Search before asking
   
   - [x] I had searched in the 
[issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22)
 and found no similar issues.
   
   
   ### What happened
   
   
参照官网的例子,先启动任务后,正常运行,但是后续写的消息source端的topic消息已经写了,sink端的消息并没有写到topic内,我把任务关了以后重新启动就同步过来了,即没有达到类似CDC的效果
   
   ### SeaTunnel Version
   
   2.3.8
   
   ### SeaTunnel Config
   
   ```conf
   {
       "sink" : [
           {
               "topic" : "sj_test_reciver_0222",
               "bootstrap.servers" : "*:9092",
               "kafka.request.timeout.ms" : 60000,
               "semantics" : "EXACTLY_ONCE",
               "plugin_name" : "kafka"
           }
       ],
       "source" : [
           {
               "consumer.group" : "sj_test_0222",
               "start_mode" : "earliest",
               "topic" : "sj_test_send_0222",
               "bootstrap.servers" : "*:9092",
               "plugin_name" : "Kafka",
               "kafka.config" : {
                   "enable.auto.commit" : "true",
                   "max.poll.records" : "100000",
                   "max.partition.fetch.bytes" : "5242880",
                   "session.timeout.ms" : "30000",
                   "auto.offset.reset" : "earliest"
               }
           }
       ],
       "env" : {
           "job.mode" : "STREAMING",
           "parallelism" : 1,
           "checkpoint.interval" : 2000
       }
   }
   ```
   
   ### Running Command
   
   ```shell
   ./bin/seatunnel.sh -c kakfa_2_kafka.conf
   ```
   
   ### Error Exception
   
   ```log
   无
   ```
   
   ### Zeta or Flink or Spark Version
   
   _No response_
   
   ### Java or Scala Version
   
   _No response_
   
   ### Screenshots
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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