log4j

How can I get log4j to delete old rotating log files?

柔情痞子 提交于 2020-01-09 04:15:07
问题 How can I get log4j to delete old rotating log files? I know I can set up automated jobs (cron for UNIX and scheduled task for Windows), but I want it cross platform, and I want it in our application's log configuration as a part of our application, rather than in separate code outside in OS specific scripting languages. Our application is not written in OS scripting languages, and I don't want to do this part of it in them. 回答1: RollingFileAppender does this. You just need to set

How can I get log4j to delete old rotating log files?

拥有回忆 提交于 2020-01-09 04:14:08
问题 How can I get log4j to delete old rotating log files? I know I can set up automated jobs (cron for UNIX and scheduled task for Windows), but I want it cross platform, and I want it in our application's log configuration as a part of our application, rather than in separate code outside in OS specific scripting languages. Our application is not written in OS scripting languages, and I don't want to do this part of it in them. 回答1: RollingFileAppender does this. You just need to set

log4j2源码解析(3)--Configuration

。_饼干妹妹 提交于 2020-01-08 17:42:05
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> Configuration的获取以及初始化 在上一篇文章中介绍了LoggerContext,这个类一个主要的作用就是根据配置文件将配置文件的结构转化为Java对象,即Appender,Logger等对象,其中配置主要是由Configuration类进行管理。这是一个基类,有几个重要的子类,每个子类对应一种配置文件。分别为: JSONConfiguration PropertiesConfiguration YAMLConfiguration XMLConfiguration 每一种Configuration由其对应的ConfigurationFactory进行管理,ConfigurationFactory负责管理每种类型Configuration配置所包含的文件名后缀,以及负责生成对应的Configuration实例。因此在LoggerContext的reconfigure方法中使用如下的调用来获取Configuration。 ConfigurationFactory.getInstance().getConfiguration() 这些初始的ConfigurationFactory类信息均存在META-INF/org/apache/logging/log4j/core/config/plugins

minMINA(4)------用手机通讯APP与MINA服务器进行简单通讯代码集成springboot(非WEB)

一笑奈何 提交于 2020-01-08 16:04:46
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 在上一帖的代码基础上集成spring boot,具体修改的地方: 1)myhandler.java文件中 @Component public class MyHandler extends IoHandlerAdapter 2) MinaServer.java文件中 @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class}) public class MinaServer implements ApplicationRunner { static int PORT=7080; //Mina三个主要的部分之一是IoService,其中服务器端实现IoService的是IoAcceptor,客户端实现IoService的是IoConnector //IoAcceptor和IoConnector都分别有实现TCP/IP,UDP/IP及虚拟机管道通讯的子接口 static IoAcceptor accept = null; // AbstractIoService 是IoService接口的适配层,是一个abstact class // AbstractIoAcceptor 也是一个适配器,是一个 abstactr class

MINA(3)------用手机通讯APP与MINA服务器进行简单通讯代码

风格不统一 提交于 2020-01-08 15:22:50
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 服务器端主程序及IoHandler业务程序: public class MinaServer { static int PORT=7080; //Mina三个主要的部分之一是IoService,其中服务器端实现IoService的是IoAcceptor,客户端实现IoService的是IoConnector //IoAcceptor和IoConnector都分别有实现TCP/IP,UDP/IP及虚拟机管道通讯的子接口 static IoAcceptor accept = null; // AbstractIoService 是IoService接口的适配层,是一个abstact class // AbstractIoAcceptor 也是一个适配器,是一个 abstactr class ,只不过是继承自AbstarctIoService // IoHandler是mina的三个主要部分之一,这主要定义了session相关的接口(create,open,status,idle),异常(exceptionCaught)及数据发送和接收接口(messageReceive,messageSend) // IoHandlerAdapter是一个适配器,也是一个abstract class ,实现了IoHandler的接口

自定义log4j2的PatternLayout参数

℡╲_俬逩灬. 提交于 2020-01-08 15:09:18
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 1.添加类 package com.yuanian.micro.config; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.pattern.ConverterKeys; import org.apache.logging.log4j.core.pattern.LogEventPatternConverter; import org.apache.logging.log4j.core.pattern.PatternConverter; /** * @author liujy * @date 2019/12/18 16:46 * 增加serviceName到日志的pattern **/ @Plugin(name = "ServiceNamePatternConverter", category = PatternConverter.CATEGORY) @ConverterKeys({"s", "serviceName"}) public class

maven 设置启动参数

倾然丶 夕夏残阳落幕 提交于 2020-01-08 13:47:13
maven 设置启动参数 @REM set MAVEN_OPTS=-Xdebug -Xnoagent - Djava.compiler=NONE ...在下边 set MAVEN_OPTS= -Xms128m -Xmx512m 删除重新下载mvn clean install -Dmaven.test.skip=true 给本地仓库安装jar mvn install:install-file -DgroupId=gp -DartifactId=id -Dversion=1.0-SNAPSHOT -Dpackaging=jar -Dfile=name-version.jar 安装到私服 clean install -e -U jar cvf spring-objenesis-repack-2.6.jar objenesis打jar包 文件夹名objenesis spring-objenesis-repack-2.6 jar包名 打包 mvn deploy:deploy-file -DgroupId=com.yang.ojdbc -DartifactId=ojdbc6 -Dversion=0.0.1 -Dpackaging=jar -DrepositoryId=releases -Dfile=D:/repository/log4j/log4j/1.2.12/log4j-1.2.12

Apache MINA --- [简易入门]

为君一笑 提交于 2020-01-08 13:33:12
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> Apache MINA是一个网络应用程序框架,它用来帮助我们轻松的建立高性能的,高可扩展的网络应用程序.它为各种传输(比如TCP/IP,UDP/IP)提供了抽 象的,事件驱动的,异步的API.它也常常被被称作"NIO框架库","客户服务框架库","网络套接字库" 使用MINA的必要条件: MINA 2.0.7 Core JDK 1.5 + SLF4J 1.3.0 +(确保使用正确的SLF4J版本来匹配你的日志框架,如:slf4j-log4j12.jar 和 log4j-1.3.x.jar不能一起工作) *SLF4J:简单日志门面,它允许你搭配使用任意的日志框架并提供统一的对外接口,它使用了静态绑定,这意味着对应每一个日志框架都有一个对应的JAR.如下所示: Logging framework Required JARs Log4J 1.2.x slf4j-api.jar, slf4j-log4j12.jar** Log4J 1.3.x slf4j-api.jar , slf4j-log4j13.jar java.util.logging slf4j-api.jar, slf4j-jdk14.jar** Commons Logging slf4j-api.jar , slf4j-jcl.jar 注意: 1

How to Create a Custom Appender in log4j2?

二次信任 提交于 2020-01-08 11:12:40
问题 As disscussed in this link : How to create a own Appender in log4j? For creating a custom appender in log4j 1.x we have to extend the AppenderSkeleton class and implements its append method. Similarly How we can create a custom appender in log4j2 as we dont have AppenderSkelton class to extend and all other appender extend AppenderBase class . 回答1: This works quite differently in log4j2 than in log4j-1.2. In log4j2, you would create a plugin for this. The manual has an explanation with an

How to Create a Custom Appender in log4j2?

久未见 提交于 2020-01-08 11:11:19
问题 As disscussed in this link : How to create a own Appender in log4j? For creating a custom appender in log4j 1.x we have to extend the AppenderSkeleton class and implements its append method. Similarly How we can create a custom appender in log4j2 as we dont have AppenderSkelton class to extend and all other appender extend AppenderBase class . 回答1: This works quite differently in log4j2 than in log4j-1.2. In log4j2, you would create a plugin for this. The manual has an explanation with an