in src/main/java/com/aliyun/openservices/log/log4j2/example/Log4j2AppenderExample.java [13:20]
public static void main(String[] args) throws Exception {
LOGGER.trace("log4j2 trace log");
LOGGER.debug("log4j2 debug log");
LOGGER.info("log4j2 info log");
LOGGER.warn("log4j2 warn log");
LOGGER.error("log4j2 error log", new RuntimeException("Runtime Exception"));
Thread.sleep(1000 * 10);
}