scheduler.log broken korean

[doree]

I wrote the description of the saved search using Korean.

When the search operates and is recorded in scheduler.log,
Korean characters are broken.

It worked fine in version 8.2, but the problem occurs in 9.0.7

What should I do?

 8.2.3.2 version

8.2.3.2_scheduler.log.png

9.0.7 version

scheduler.log.png