[Bug]: Flink config load will cause ClassCastException when directly use Yaml load.

[simonsssu]

What happened?

Since private Map<String, String> loadFlinkConfig() returns Map<String, String> , This line will cause some config with non-string value throws ClassCastException.

Affects Versions

master/0.8

What table formats are you seeing the problem on?

No response

What engines are you seeing the problem on?

No response

How to reproduce

No response

Relevant log output

Anything else

No response

Are you willing to submit a PR?

• [x] Yes I am willing to submit a PR!

Code of Conduct

• [x] I agree to follow this project's Code of Conduct