Log4j-在Windows上访问环境变量
[英]Log4j - access to environment variable on Windows
问题描述
How can I access to an environment variable named "LOGS_HOME" within my log4j.properties file. 
如何在我的log4j.properties文件中访问名为“ LOGS_HOME”的环境变量。 Besides, I have deployed on WebLogic 11g several wars which need the value of this EV in order to create a directory and place there the log files. 此外，我已经在WebLogic 11g上部署了几次战争，这些战争需要此EV的值才能创建目录并将日志文件放置在该目录中。
BTW: I am using log4j 1.2.17 顺便说一句：我正在使用log4j 1.2.17
1 个解决方案
解决方案1
0 2016-10-28 20:49:19
According to this answer , log4j version 2 can resolve your problem... 根据此答案 ，log4j版本2可以解决您的问题...
However, if you cannot change the log4j version, you can use the System Properties Substitution and pass the environment variable: LOGS_HOME as JAVA System Property when starting the server (example: runWebLogic.bat -Dlogs.home=%LOGS_HOME% ... NOTE: this is just an example, I really don't know how to start the weblogic server, but the idea it's the same). 但是，如果无法更改log4j版本，则可以使用“系统属性”替代，并在启动服务器时将环境变量LOGS_HOME作为JAVA系统属性传递（例如： runWebLogic.bat -Dlogs.home=%LOGS_HOME% ... 注意：这只是一个例子，我真的不知道如何启动weblogic服务器，但是想法是一样的。
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