[Improvement] Improve log4j appender layout pattern

[rickyma]

Code of Conduct

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

Search before asking

• I have searched in the issues and found no similar issues.

What would you like to be improved?

In the current log output, the full logger name and code line number is not printed. It is very useful, we usually need this.

How should we improve?

Improve the log4j appender layout pattern.

Are you willing to submit PR?

• Yes I am willing to submit a PR!

[rickyma]

Done by #1392