log4j | 易学教程

Spring-Boot logging with log4j2?

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问题 I'm using spring-boot-starter , and would like to configure log4j2.xml to log asynchron + different content to different logfiles. I created the log4j2 file, but Spring still uses the spring-boot default logging. How can I switch the logging? 回答1: I've a better way: Exclude logback logger: <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter

Confluence 6 修改日志文件的目标位置

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在 log4j 中，一个输出被定义为 'appender'。希望修改 log 文件的目标，你需要停止 Confluence 然后修改设置 log4j.properties 日志配置文件的 ' Logging Location and Appender ' 设置。有关这个文件的路径，请参考上面的说明。在一个标准的配置文件中，你可以找到下面 2 个 appenders。 com.atlassian.confluence.logging.ConfluenceHomeLogAppender – 这个是默认的日志输出器（appender ）在上面描述得文件中。这个日志输出器有允许下面的设置： MaxFileSize MaxBackupIndex org.apache.log4j.RollingFileAppender – 如果你希望记录日志到不同的位置，取消 RollingFileAppender 行前面的备注，同时修改下面的日志文件路径。注释掉 ConfluenceHomeLogAppender 行的内容。 Synchrony 日志路径也可以通过同样的方式进行修改。 Confluence 绑定了 log4j 提供的所有功能。有关 log4j 日志输出容器的的定义，请参考 log4j documentation 页面中的内容。 https://www.cwiki.us

设置 Confluence 6 日志

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Confluence 使用的是 Apache's log4j 日志服务。能够允许管理员通过编辑配置文件来控制日志的表现和日志输出文件。在系统中有 6 个日志输出级别，请参考 log4j logging levels 页面来获得更多信息。如果你请求 Atlassian Support 为你提供支持服务，我们总是会要求你能够提供你 Confluence 应用的日志输出。要获得这些日志输出的最简单的方法是进入 > 基本配置（ General Configuration） > 问题检查和支持工具（Troubleshooting and support tools）然后根据弹出的提示，创建一个 Support Zip 。 https://www.cwiki.us/display/CONF6ZH/Working+with+Confluence+Logs 来源： oschina 链接： https://my.oschina.net/u/2344080/blog/1918980

Logs are filling up with httpclient.wire.content dumps. How can I turn it off?

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My catalina logs are filling up with gobs of statements like: /logs/catalina.out:2010-05-05 02:57:19,611 [Thread-19] DEBUG httpclient.wire.content - >> "[0x4] [0xc][0xd9][0xf4][0xa2]MA[0xed][0xc2][0x93][0x1b][0x15][0xfe],[0xe]h[0xb0][0x1f][0xff][0xd6][0xfb] [0x8f]O[0xd4][0xc4]0[0xab][0x80][0xe8][0xe4][0xf2][\r]I&[0xaa][0xd2]BQ[0xdb](zq[0xcd]ac[0xa8] on and on forever. I searched every config file in both tomcat and apache for the statements that purportedly turn this on as described here: http://hc.apache.org/httpclient-3.x/logging.html And I don't see where this logging has been enabled. No

mybatis

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1.为什么学习mybatis 　　jdbc有缺点：加载驱动，获取链接，操作数据库，关闭连接、封装：经常修改的内容放到配置文件中，不经常修改的放到Java文件中占位符？，占位符的位置，以及赋值的时候要注意序号关联关系：一对一，一对多，多对一，多对多缓存：访问数据量多时，可以重复使用查询的数据，减少数据库的访问　　介绍mybatis Mybatis是一个半自动的框架 ORM O:Object(java就是一个面向对象的编程语言) R:Relation(数据库) M:Mapping(映射) ORM的口号时不准再项目中写sql 　　Junit Junit测试类使用方法引入jar包第一个方法修饰符必须是public，返回值，和参数不能有，只需要在需要测试的方法上加@Test @Before是在@test之前运行 @After实在@test之后运行　　Log4j Log4j是java日志，日记 String.out.println()　　没有日期，没写是哪个类打印是哪一行，没有级别， Log4j：一天一个文本，一天的文本会按照大小记录两个本　　使用方法引入jar包配置文件基本版本 <?xml version="1.0" encoding="UTF-8"?> <!-- 配置文件的名字必须叫做log4j2.xml 配置文件的位置必须放到classpath的根目录

Spring MVC：从零开始

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前言：之前做的项目包括网上一些教程都是集很多配置和功能一起，有时候使用起来就比较乱。周末抽空从零搭建项目，一步步加新功能，也是让自己对 spring 配置有个更全面的了解。主要是对流程和配置的介绍，具体业务功能就比较省略。一、搭建Spring MVC项目这里是初步搭建完成的项目架构：说到maven，这里推荐阿里云的镜像地址，如果不在公司或者公司没有私服的情况下，可以使用，下载贼快。 <mirror> <id>alimaven</id> <name>aliyun maven</name> <url>http://maven.aliyun.com/nexus/content/groups/public/</url> <mirrorOf>central</mirrorOf> </mirror> 1、Maven配置：引入spring有关的包，这里我们暂时只用到spring-core和spring-webmvc和json包 <spring.version>4.3.3.RELEASE</spring.version>  <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}<

SLF4J logging to file vs. DB vs. Solr

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I need some suggestions in terms of SLF4J logging. Currently, we are using SLF4J logging (log4j binding) for a our Java web app, which uses the simple ConsoleAppender. Our next step is researching for places where we can save the logs. Our app processes about 100,000 messages per day. Each message generates about 60 -100 lines of logs. Our goal is to be able to quickly search and find failed messages (using an messageId) and identify causes for the failure. My question is: which of the following is a good place to store our logs: File(s) DB Solr Thanks. Consider switching away from log4j and

Multiple log files with log4j

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问题 I am creating a solution for my application log, which have various types of logging (user, application, etc...), wanted to save each type of log in a separate file. This is possible with log4j or some other API? How could I do that? If you deem interesting, I edit the question and put the codes, but I do not think it's worth, they are still very basic. Thanks in advance. 回答1: Of cource, use different FileAppenders Example from internet: log4j.rootLogger=DEBUG # AdminFileAppender - used to

How to write logs to a file using Log4j and Storm Framework?

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I am having bit of an issue in logging to a file using log4j in storm . Before submitting my topology , i.e in my main method I wrote some log statements and configured the logger using : PropertyConfigurator.configure(myLog4jProperties) Now when I run my topology using my executable jar in eclipse - its working fine and log files are being created as supposed. OR When i run my executable jar using "java -jar MyJarFile someOtherOptions", i can see log4j being configured and the files are formed correctly and logging is done on both files and console (as defined in my log4j.properties) BUT when

How to use log4j to see into Jersey

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I'm new to log4j and am trying to use it to better understand why my resource is providing a 415 Media Type Not Supported header. I'm using the following: log4j.rootCategory=WARN, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %t %c:%L - %m%n log4j.category.com.sun.jersey=DEBUG,stdout This seems like it should work but I'm showing nothing in the console about the POST reaching this application. I know it is reaching the application because if I turn the

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