使用JAR加载log4j.properties [英] Load log4j.properties with JAR

问题描述

我有一个带有以下清单的jar文件

I have a jar file with the following Manifest

Manifest-Version: 1.0  
Created-By: 1.7.0_07 (Oracle Corporation)  
Main-Class: test.Main  
Class-Path: ./log4j.properties lib/log4j-1.2.17.jar 

我按如下方式运行课程

java -jar test.jar

这是我的文件夹

lib
log4j.properties
test.jar

为什么我看不到log4j属性文件？这就是我所看到的

Why I can't see the log4j properties file? This is what I see

log4j:WARN No appenders could be found for logger (test.Main).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

谢谢

解决方案：
将MANIFEST中的classhpath更改为此

SOLUTION: changed my classhpath in the MANIFEST to this

Class-Path: . lib/log4j-1.2.17.jar 

推荐答案

你可以还可以使用参数启动JVM：

You can also start your JVM with argument:

-Dlog4j.configuration=file:"./your/properties/path/log4j.properties"

指定外部日志属性的任意位置。我在一个特定项目中经常使用它。

to specify arbitrary location of your external log properties. I used this a lot in one particular project.

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