The Log4j logger is used in MagicDraw and other modeling tools  developed by No Magic Inc. The configuration file is <program installation directory>/data/debug.properties.

The <program installation directory>/data/test.properties file is used as a configuration file for program test cases.

The following sample presents the content of the configuration file. It configures the logger to print INFO category messages to a console with a specific pattern.

    log4j.appender.SO=org.apache.log4j.ConsoleAppender 
    log4j.appender.SO.layout=org.apache.log4j.PatternLayout 
    log4j.appender.SO.layout.ConversionPattern=%d [%t] %-5p %c - %m%n 
    log4j.rootCategory=INFO,SO

More information about Log4j can be found at http://logging.apache.org/log4j/1.2/.