log4j.appender.A1=org.apache.log4j.ConsoleAppender log4j.appender.A1.layout=org.apache.log4j.PatternLayout log4j.appender.A1.layout.ConversionPattern=[%-5p] %m%n log4j.appender.A1.threshold=DEBUG #configure a logger named 'atomikos' to capture the Atomikos log comments in log4j log4j.logger.atomikos=WARN log4j.rootCategory=INFO, A1