# The usual stuff. Note that A1 is configured in root not in "some.cat"
log4j.rootCategory=DEBUG, A1
log4j.appender.A1=org.apache.log4j.FileAppender
log4j.appender.A1.File=System.out
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%c - %m%n


# Set the priority of "some.cat". This will have the side effect of
# instantiating the category "some.cat" which will later cause a
# ClassCastException.

log4j.category.some.cat=DEBUG