[logback-user] How to output all errors to console, and errors+mesgs to logfile?

Ceki Gülcü ceki at qos.ch
Sun Feb 14 20:51:12 CET 2010

On 14/02/2010 7:16 PM, Thorbjoern Ravn Andersen wrote:
> Rob skrev:
>> Hello,
>> I'm a new user and struggling to achieve the following:
>> 1) All "error" messages must go to stdout and a logfile.
>> 2) Based on com.example.myclass level settings, messages also go to
>> logfile.
>> My problem is I can't get both requirement 1 and 2 working
>> simultaneously. The following results in debug messages going to the
>> console. Using additivity="false" results in errors from
>> com.example.myclass not going to the console.
> A possible solution could be:
> First make 1 and 2 work for both stdout and logfile without considering
> that some messages should not go to standard out.
> Then add a filter for stdout saying you only want messages from a given
> level and up.


Requirement 2) is a little vague but I reckon LevelFilter or will
ThresholdFilter can help. See





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