How to send different log levels to different files/outputs in Java logging?

Question

I am using Java Logging (not Log4j). I want to send logs of level INFO and below it to System.out, and WARNING and SEVERE to System.err. I believe it looks much nicer, because I can easily distinguish error from info and below it. Is there anyway to do that?

In general, it is possible to tell Logger to log message below a certain level. Bu default it goes higher than the specified level.

Thanks a lot

stackoverflow.com/a/23717493/6722100

achAmháin
– achAmháin

2017-09-29 15:09:39 +00:00
Commented Sep 29, 2017 at 15:09 — achAmháin
– achAmháin, Commented Sep 29, 2017 at 15:09

jmehrens · Accepted Answer · 2017-09-29 16:15:04Z

1

I believe it looks much nicer, because I can easily distinguish error from info and below it. Is there anyway to do that?

As 'pruntlar' pointed out that is covered in: How do I change java logging console output from std err to std out?

In general, it is possible to tell Logger to log message below a certain level. By default it goes higher than the specified level.

Not out of the box. You have to write a Level filter and install it on the Logger or Handler.

answered Sep 29, 2017 at 16:15

jmehrens

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