Log4j使用教程 log4:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
package org.apache.log4j;
public class Logger {
// Creation and retrieval methods:
public static Logger getRootLogger();
public static Logger getLogger(String name);
// printing methods:
public void debug(Object message);
public void info(Object message);
public void warn(Object message);
public void error(Object message);
public void fatal(Object message);
// generic printing method:
public void log(Level l, Object message);
}
|
Logger x = Logger.getLogger("wombat");
Logger y = Logger.getLogger("wombat");
|
PropertyConfigurator.configure("log4j.properties");
|
private static Logger log = Logger.getLogger("MyCLASS.class");
|
log.debug("it is the debug info");
|
import org.apache.log4j.Logger;
public class Test {
static Logger log= Logger.getLogger(Test.class);
public void log(){
log.debug("Debug info.");
log.info("Info info");
log.warn("Warn info");
log.error("Error info");
log.fatal("Fatal info");
}
public static void main(String[] args) {
Test test = new Test();
test.log();
}
}
|
log4j.rootLogger=info, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
# Pattern to output the caller's file name and line number.
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] (%F:%L) - %m%n
|
log4j.rootLogger=info, stdout
|
log.debug("Debug info.");
|
log4j.appender.A=org.apache.log4j.ConsoleAppender
|
本文出自 “子 孑” 博客,请务必保留此出处http://zhangjunhd.blog.51cto.com/113473/21211
WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
错误现象:
提示如下:
log4j:WARN No appenders could be found for logger (org.springframework.context.ContextLoader). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
翻译过来是说:没有输出源给予logger(记录器)(org.springframework.context.ContextLoader).请初始化log4系统属性。
解决,这种情况肯能是没有添加log4j.properties到项目导致
相关:
Log4j使用教程 log4:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).的更多相关文章
- 解决log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader)警告信息的问题
spring项目经常在启动tomcat时报如下警告信息: log4j:WARN No appenders could be found for logger (org.springframework. ...
- log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
一.异常描述: log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLo ...
- log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment)的解决
报错:log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironme ...
- log4j:WARN No appenders could be found for logger
直接写我的解决办法: 在src下面新建file名为log4j.properties内容如下:# Configure logging for testing: optionally with log f ...
- 关于控制台输出 警告 log4j:WARN No appenders could be found for logger
新建struts2项目时出现警告 log4j:WARN No appenders could be found for logger 于是上网搜查了解决方案 转自:最爱NBA 在src下面新建file ...
- mybatis WARN No appenders could be found for logger的解决方法
log4j:WARN No appenders could be found for logger (org.apache.ibatis.logging.LogFactory).log4j:WARN ...
- 【Junit 报错】No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).
Junit报错 log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvi ...
- maven:log4j:WARN No appenders could be found for logger (loggerInfo).或者maven build error:org.apache.maven.lifecycle.LifecycleExecutionExceptio
maven在build构建时,加载资源文件时需要配置资源文件插件: 1,在pom.xml文件中加入 <build> <finalName>${project.build.tar ...
- (转)log4j:WARN No appenders could be found for logger 解决方案
我们在使用Log4j的时候,总是出现: log4j:WARN No appenders could be found for logger (org.apache.ibatis.logging.Log ...
随机推荐
- 【面试必备】Swift 面试题及其答案
初级 问题1- Swift 1.0 or later 什么是optional类型,它是用来解决什么问题的? 答案:optional类型被用来表示任何类型的变量都可以表示缺少值.在Objective-C ...
- Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tool
重装操作系统后,要重新配置Android开发环境.配置成功后,添加原本项目时却出现了错误! Android requires compiler compliance level 5.0 or 6.0. ...
- 直接修改托管堆栈中的type object pointer(类型对象指针)
都知道.NET是一个强对象类型的框架. 那么对于对象类型又是怎么确定的呢. 最初的我简单认为数据的类型就是定义时字段的类型修饰决定的(回来发现这种观点是绝对错误的) 我们知道引用对象存储在托管堆栈中, ...
- 第十章 使用MapKit
本项目是<beginning iOS8 programming with swift>中的项目学习笔记==>全部笔记目录 ------------------------------ ...
- storm如何保证at least once语义?
背景 前期收到的问题: 1.在Topology中我们可以指定spout.bolt的并行度,在提交Topology时Storm如何将spout.bolt自动发布到每个服务器并且控制服务的CPU.磁盘等资 ...
- css圆角矩形及去掉空格属性
css圆角矩形 -webkit-border-radius:5px; -moz-border-radius:5px; border-radius:5px; 去掉空格 white-space:nowra ...
- 【POJ各种模板汇总】(写在逆风省选前)(不断更新中)
1.POJ1258 水水的prim……不过poj上硬是没过,wikioi上的原题却过了 #include<cstring> #include<algorithm> #inclu ...
- IOS 判断日期是今天,昨天还是明天
git地址: https://github.com/JsoonLi/NSDate-Extension - (NSString *)compareDate:(NSDate *)date{ NSTim ...
- 每天一个linux命令(24):gzip命令
减 少文件大小有两个明显的好处,一是可以减少存储空间,二是通过网络传输文件时,可以减少传输的时间.gzip是在Linux系统中经常使用的一个对文件进 行压缩和解压缩的命令,既方便又好用.gzip不仅可 ...
- 扩展KMP
刘雅琼论文 http://wenku.baidu.com/view/8e9ebefb0242a8956bece4b3.html 论文讲的非常详细. 给定母串S,子串T,n=strlen(S),m=st ...