import com.gfctest.logging.Logger; import com.gfctest.logging.LoggerFactory; public class MyClass { private static final Logger logger = LoggerFactory.getLogger(MyClass.class); public void doSomething() { logger.debug("Debug message"); logger.info("Info message"); logger.warn("Warning message"); logger.error("Error message"); try { // Something that could potentially throw an exception } catch (Exception e) { logger.error("An error occurred", e); } } } properties com.gfctest.logging.level = DEBUG com.gfctest.logging.appender.file = com.gfctest.logging.appenders.FileAppender com.gfctest.logging.appender.file.file = /path/to/log_file.log com.gfctest.logging.layout = com.gfctest.logging.layouts.PatternLayout com.gfctest.logging.layout.pattern = [%d] [%-5p] - %m%n com.gfctest.logging.filter = com.gfctest.logging.filters.LevelFilter com.gfctest.logging.filter.level = WARN


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