FWLamb

@Hisoka-X @TyrantLucifer PTAL

> LGTM, Please resolve conflicts. done.

@iture123 @Hisoka-X @TyrantLucifer PTAL

please assign it to me; thx

assign to me .

> @FWLamb Is there any progress? At present, st-engine can print the metric at the end of the task, but it is very rough and needs to optimize the output...

> Did you config the kerb certificate in you flink configurations? Yes, please take a look at the fourth picture above.

> Did you configure it on all the cluster nodes? I only deployed a single node for testing

When I submit a job by writing code, it can be successful, but this problem arises when using SQL client.

Flink1.14 and later versions have removed the `sql-client-defaults. yaml` file