import org.apache.avalon.framework.logger.ConsoleLogger; import org.apache.avalon.framework.logger.Logger; import org.apache.avalon.framework.logger.LoggerManager; public class MyClass { private Logger logger; public MyClass() { LoggerManager loggerManager = new ConsoleLoggerManager(); logger = loggerManager.getLoggerForCategory(MyClass.class.getName()); } public void doSomething() { logger.info("Doing something..."); } } log4j.rootLogger=INFO, console log4j.appender.console = org.apache.log4j.ConsoleAppender log4j.appender.console.layout = org.apache.log4j.PatternLayout log4j.appender.console.layout.ConversionPattern = %d{HH:mm:ss} %-5p [%c{1}] %m%n public void doSomething() { } try { } catch(Exception e) { logger.error("An error occurred", e); }


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