logback

Can you alter the output of %caller{0} in logback to mimic log4j %l specifier?

此生再无相见时 提交于 2019-12-24 01:44:58
问题 I am migrating to Logback from log4j. Log4j has the %l format specifier which will print out the fully qualified name of the calling method followed by the callers source the file name and line number between parentheses. Example: com.my.company.MyClass.doSomething(MyClass.java:54) I want the same output using Logback. They don't have the %l format specified. They do have the %caller format specifier and when you provide the {0} option you will get the first level of the call stack. Example:

Micronaut configure logger appenders based of the enviroment

为君一笑 提交于 2019-12-24 01:06:33
问题 I would like to configure logging appender based on the environment , for example while running in production I would like to configure an appender that would send log to elasticsearch but while on test or development mode this appender would not be enabled. 回答1: To put the correct answer here from the above comment. According to this link, you can just add a logback-production.xml , where production is the name of your profile. 回答2: As far I understand, Micronaut doesn't have similar thing

RollingFileAppender that also deletes files older than some date

£可爱£侵袭症+ 提交于 2019-12-24 00:42:10
问题 Do any of the popular Java logging frameworks support a rolling file appender, that I can configure to rollover daily, and also delete any log file that is over some number of days old? I know I could use a rolling file appender and a cron, but was wondering if anyone knew of an appender that can do both. 回答1: Logback's classic RollingFileAppender provides this and more. An example configuration from the manual (http://logback.qos.ch/manual/appenders.html#onRollingPolicies) <configuration>

springboot学习(四) 日志管理

馋奶兔 提交于 2019-12-23 21:43:01
1、简介   Spring Boot内部日志系统使用的是Commons Logging,但开放底层的日志实现。默认为会Java Util Logging, Log4J, Log4J2和Logback提供配置。每种情况下都会预先配置使用控制台输出,也可以使用可选的文件输出。 2、日志格式   默认的日志输出格式为: 1 2018-01-20 19:31:23.317 INFO 93864 --- [ main] TestProperties : Starting TestProperties on ith PID 93864 (started by Administrator in 2 2018-01-20 19:31:23.318 INFO 93864 --- [ main] TestProperties : The following profiles are active: dev 3 2018-01-20 19:31:23.429 INFO 93864 --- [ main] o.s.w.c.s.GenericWebApplicationContext : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@368f2016: startup date [Sat Jan

Spring Boot(十)Logback和Log4j2集成与日志发展史

ぐ巨炮叔叔 提交于 2019-12-23 21:14:14
一、简介 Java知名的日志有很多,比如:JUL、Log4j、JCL、SLF4J、Logback、Log4j2,那么这些日志框架之间有着怎样的关系?诞生的原因又是解决什么问题?下面一起来看。 1.1 JUL Java有自己的日志框架JUL(Java Util Logging)在java.util.logging下,因为对开发者不友好,使用成本太高和日志级别分类不清晰的问题,所有很少有开发者用。 1.2 Log4j 因为JUL的缺陷问题,这就给了Log4j机会,所有Log4j一经推出就迅速风靡全球。 1.3 JCL JCL是Jakarta Commons-Logging的缩写,Jakarta在这里指的是一个组织,而不是印度的首都雅加达,Jakarta,一个早期的Apache开源项目,用于管理各个Java子项目,诸如Tomcat, Ant, Maven, Struts, JMeter, Velocity, JMeter, Commons等。2011年12月,在所有子项目都被迁移为独立项目后,Jakarta名称就不再使用了。 JCL诞生的初衷是因为Java自身的一些包用了JUL,而Log4j用户使用的有很多,那么JCL就是提供一套API来实现不同Logger之间的切换。 1.4 SLF4J SLF4J(Simple Logging Facade For Java)简单日志门面

日志框架--logback

笑着哭i 提交于 2019-12-23 21:13:36
logback背景介绍: SLF4J(Simple Logging Facade for Java)是一个日志API接口,SLF4J提供 TRACE, DEBUG, INFO, WARN, ERROR五种级别,而log4j和logback就是对SLF4J的具体实现。logback的性能优于log4j。 logback-core:其它两个模块的基础模块 logback-classic:它是log4j的一个改良版本,同时它完整实现了slf4j API使你可以很方便地更换成其它日志系统如log4j或JDK14 Logging logback-access:访问模块与Servlet容器集成提供通过Http来访问日志的功能 Maven坐标:logback-classic包含了logback-core,不需要再单独引用了。 <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.21</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.1.7</version> <

SpringBoot源码分析-启动流程-准备ApplicationContext

戏子无情 提交于 2019-12-23 21:13:08
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 上一篇: SpringBoot源码分析-启动流程-SpringApplication实例化与参数加载 前面完成了参数封装和日志框架logback的初始化,紧接着打印Banner(用户可以使用spring.banner.image.location自定义),再然后就是实例化ApplicationContext(AnnotationConfigServletWebServerApplicationContext)。 概要 由initializer完成了MetadataReaderFactoryBean注册,读取并调用自定义的initializer,注册"自动配置报告生成器",注册"配置警告后置处理器" prepareContext private void prepareContext(ConfigurableApplicationContext context, ConfigurableEnvironment environment, SpringApplicationRunListeners listeners, ApplicationArguments applicationArguments, Banner printedBanner) { context.setEnvironment

How to read logback configuration file from system environment in tomcat 7

↘锁芯ラ 提交于 2019-12-23 20:05:19
问题 Let me tell the story first: We have 2 j2ee web applications AAA and BBB, and we want to put them in the same server. Right now they both have the logback.xml in their class path, which is in /src/main/resources for the maven project. We want to put all the configuration files in a directory, such as ${app_home}, and let the web applications to find their configuration files by themselves. Like we put AAA_logback.xml and BBB_logback.xml into ${app_home}, and let the web application to find

logback自定义日志格式

我与影子孤独终老i 提交于 2019-12-23 19:16:27
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> logback自定义日志格式 1.ClassicConverter 继承ClassicConverter package com.demo.conf; import ch.qos.logback.classic.pattern.ClassicConverter; import ch.qos.logback.classic.spi.ILoggingEvent; import java.net.InetAddress; import java.net.UnknownHostException; /** * 配置日志中显示IP */ public class IPLogConfig extends ClassicConverter { @Override public String convert(ILoggingEvent event) { try { return InetAddress.getLocalHost().getHostAddress(); } catch (UnknownHostException e) { e.printStackTrace(); } return null; } } 然后再logback.xml中配置 <!--配置规则类的位置--> <conversionRule

SpringBoot源码分析-启动流程-SpringApplication实例化与参数加载

穿精又带淫゛_ 提交于 2019-12-23 19:05:28
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 上一篇: SpringBoot源码分析-编译环境与新建测试模块 标题是真的不好取啊,如果弄一篇博客写完整个启动流程又太长,而标题用1、2、3感觉可读性又不行,思来想去标题抓点重点,然后在文章开头用概要描述一下 概要 本文描述SpringApplication实例化期间加载spring.factories文件中的相关配置,并完成从系统、命令行、application.yml等渠道完成参数的封装,还有一个重要的功能就是完成了logback日志框架的初始化操作 SpringBootApplication实例化 实例化做了非常基础的工作,从spring.factories当中找到ApplicatioContextInitializer和ApplicationListener并加载完成,它们在后面的启动过程中会在不同阶段做不同事情。特别是ApplicationListener的工作方式和Tomcat源码当中的fireLifeycleListenerEvent工作方式很雷同 public SpringApplication(ResourceLoader resourceLoader, Class<?>... primarySources) { this.resourceLoader = resourceLoader;