import org.apache.log4j.Logger; import org.apache.log4j.Level; public class Log4jRuntimeLevelChange { // 获取Logger实例 private static final Logger logger = Logger.getLogger(Log4jRuntimeLevelChange.class); public static void main(String[] args) { // 打印当前日志级别 System.out.println("Current ...
在slf4j 中无法动态更改日志级别,但 slf4j 的一些后端支持它,包括 log4j。 这个解决方案对我有用: org.apache.log4j.Logger logger4j = org.apache.log4j.Logger.getRootLogger(); logger4j.setLevel(org.apache.log4j.Level.toLevel("ERROR")); (来源:http: //prateep.info/2015/12/12/Dynamically-change-l...
log.error("loggerLevel onChange failed {}", ExceptionUtil.stacktraceToString(e)); } } if(changeEvent.changedKeys().contains(LOGGER_LEVEL_DETAIL)) { String newValue = changeEvent.getChange(LOGGER_LEVEL_DETAIL).getNewValue(); try{ log.info("update loggerLevel detail {}", newValue); parseLo...
log4j.appender.file.File=c:/mylog.log log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n ### set log levels -formore verbose logging change'info'to'debug'### log4j.rootLogger=info, stdout 其中,log4j提供的...
-- 格式化输出:%date表示日期,%thread表示线程名,%-5level:级别从左显示5个字符宽度 %msg:日志消息,%n是换行符--><!-- %logger{36} 表示 Logger 名字最长36个字符 --><propertyname="LOG_PATTERN"value="%date{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n"/></Properties><...
public static void changeLoggerLevel(String level) { // String loggerFactoryClassStr = // StaticLoggerBinder.getSingleton().getLoggerFactoryClassStr(); // System.out.println("loggerFactoryClassStr>>>" + loggerFactoryClassStr); LoggerContext ctx = (LoggerContext) LogManager.getContext(false); Config...
@RequestMapping("/logger/level")publicMaploggerLevelChange(String level){Map result=newHashMap();result.put("code",200);result.put("msg","success");String loggerFactoryClassStr=StaticLoggerBinder.getSingleton().getLoggerFactoryClassStr();System.out.println("loggerFactoryClassStr>>>"+loggerFactory...
“Build me an object that refers to the compute() method and pass that as a method argument.” Log4j will ask this magic object to call the compute() method only when it decides that the log level is enabled for the logger and it is time to build the full log message from the ...
if (event.getLevel().syslogEquivalent <= level.syslogEquivalent) { long n = System.currentTimeMillis(); if (n >= next) { now.setTime(n); changeFile(); setNextTime(); } super.subAppend(event); } } public String createFile() { ...
首先,是设置root,格式为 log4j.rootLogger=[level],appenderName, ……,其中level就是设置需要输出信息的级别,后面是appender的输出的目的地,appenderName就是指定日志信息输出到哪个地方。您可以同时指定多个输出目的地。 配置日志信息输出目的地Appender,其语法为 ...