> I noticed that the bundled log4j-core is about 60+KB whereas the
> jakarta log4j is about 300+KB, which gives me a feeling that the
> 'core' is a subset of the full jakarta log4j.
>
> Is there any side effect to jaybird if the full jakarta log4j is
> used instead ?

The only side effect is that you get more possibilities (like console
logger, etc) when using full log4j. The shipped library provides only
logging into the file.

Roman