log4j的基本配置[英] log4j basic configuration

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问题描述

我使用log4j在我的应用程序中记录了一些步骤.为了快速而肮脏,我使用了:

org.apache.log4j.BasicConfigurator.configure();

此输出我的日志在Eclipse控制台中.

我想知道是否以及如何设置高于调试的级别阈值?换句话说,我不想显示调试级别的消息,只需err,警告,信息.

谢谢.

编辑: 我可以使用以下内容吗?

import org.apache.log4j.Logger;
import org.apache.log4j.Level;
[...]
Logger logger = Logger.getLogger(this.class);
logger.setLevel(Level.INFO);

推荐答案

我认为最简单的方法是:

    Logger.getRootLogger().setLevel(Level.INFO);

其他推荐答案

org.apache.log4j.Logger.getRootLogger().setLevel(org.apache.log4j.Level.INFO);

其他推荐答案

假设您在调用任何记录器之前都在调用basic Configurator.configure():

您可以使用这些配置文件中的任何一个更改它而无需重新编译:

log4j.properties

log4j.rootLogger=INFO

log4j.xml:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
  <root> 
    <priority value="INFO"/> 
  </root>
</log4j:configuration>

其中之一必须在命令行上.

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问题描述

I used log4j to log some steps in my application. To be quick and dirty, I used:

org.apache.log4j.BasicConfigurator.configure();

This output my logs in the Eclipse console.

I want to know if and how to set the level threshold higher than DEBUG? In other word, I do not want to display DEBUG level message, just ERR, WARN, INFO.

Thank you.

EDIT: May I use this following?

import org.apache.log4j.Logger;
import org.apache.log4j.Level;
[...]
Logger logger = Logger.getLogger(this.class);
logger.setLevel(Level.INFO);

推荐答案

I think the simplest way would be:

    Logger.getRootLogger().setLevel(Level.INFO);

其他推荐答案

org.apache.log4j.Logger.getRootLogger().setLevel(org.apache.log4j.Level.INFO);

其他推荐答案

Assuming you are calling BasicConfigurator.configure() before any loggers are called:

You can use either of these config files to change it without recompiling:

log4j.properties

log4j.rootLogger=INFO

log4j.xml:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
  <root> 
    <priority value="INFO"/> 
  </root>
</log4j:configuration>

One of these must be on command line.