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I am trying to use log4j via commons-logging and having problems if the log4j properties file is not called log4.properties. I get following error: log4j:WARN No appenders could be found for logger (LogMePlease). log4j:WARN Please initialize the log4j system properly. My code is very simple: import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class LogMePlease { static Log l = LogFactory.getLog(LogMePlease.class); public static void main(String [] args) { l.warn("Hello World!"); } } In my class path, i have: commons-logging.properties file which contains following entries org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger log4j.configuration=log4j-test.properties and log4j-test.properties file when i run this code i get log4j:WARN No appenders could be found for logger (LogMePlease). log4j:WARN Please initialize the log4j system properly. If I rename log4j-test.properties file to be log4j.properties - then everything works. So, the question is how can I setup commons logging to use arbitrary name for log4j.properties file.

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