Camel 2.7 or better uses sfl4j which allows you to configure logging via, among others:
Camel 2.6 or lower uses commons-logging which allows you to configure logging via, among others:
Refer to the commons-logging user guide for a more complete overview of how to use and configure commons-logging.
The quick way to enable Java 1.4 logging is to create a commons-logging.properties file on the classpath with this entry...
Many thanks to Glen Mazza for figuring this out