[rocketmq-spark] batch write data fail but log has no error or exception

[zhanqian-1993]

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BUG REPORT

• What did you do (The steps to reproduce)? I build a demo for batch writing data to rocketMq.

  1. Firstly I package rocketmq-spark module as SDK, to deploy minimize, I exclude some dependencies like common java tool jar in advance.
  2. Then I new a project and include the packaged SDK.
  3. according to the use guide, I write the demo code and run the application.
  4. the application run success but the data doesn't write into rocketmq.
  5. at last, I troubleshoot the reason is that the demo project is lack of some dependencies that I exclude before.

• What did you expect to see? I want to know why the data write fail, but the result is success. And in this situation, what should I do to print the exception log. The exception log is import for me to deploy on server.

the console shows the application run success, but data doesn't write success.

[zhanqian-1993]

I rewrite these code to send message to rocketMq and deploy production environment. Finally it throws Exception that lack of class that I exclude in pom.xml before. After I restore the code and add missing jar, it success. That's some strage.