lo4j配置文件
### direct log message to stdout ### log4j.appender.stdout.Target = System.out log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout = org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} %5p %c{1}:%L - %m%n log4j.rootLogger=INFO, stdout #debug,info,warning,error