[logback-user] Trouble with Logback / JUL configuration

Flavio Donzé flavio.donze at gmail.com
Wed Jun 17 13:25:59 CEST 2009

Hallo everyone


I’m having some trouble with JUL logging and was wondering if somebody has
had the same issue or else a good solution.


My problem is that logback settings seem to be ignored by JUL. So if I have
the following example:


<logger name="test"><level value="debug"/></logger>


java.util.logging.Logger logger =
logger.log(Level.FINEST, “finest”);
logger.log(Level.FINER, “finer”);
logger.log(Level.FINE, “fine”);
logger.log(Level.INFO, “info”);


Only the “info” will be logged. I found the following JavaDoc which is the
root of the problem:
“This handler will redirect jul logging to SLF4J. However, only logs enabled
in j.u.l. will be redirected. For example, if a log statement invoking a
j.u.l. logger disabled that statement, by definition, will not reach any
SLF4JBridgeHandler instance and cannot be redirected”


Is there a solution or a workaround for this problem?

Like a logging.properties which enables everything on trace level?


Greets and thanks





Flavio Donzé

Software Engineer

My Blog:  http://swissdev.blogspot.com/


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