java 如何在运行时覆盖 jar 中的 log4j 属性文件
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How can I override the log4j properties file in my jar at runtime
提问by user1741202
Possible Duplicate:
Dynamically Changing log4j log level
可能的重复：
动态更改 log4j 日志级别
I have a jarfile with a log4jproperties file included. I tried to use
我有一个包含log4j属性文件的jar文件。我试着用
-Dlog4j.configuration=file:[filename]
-Dlog4j.configuration=file:[filename]
to change the properties file at runtimeusing java, and it didn't work. I need to do this in a shfile Can anyone please tell me how to this? I also tried adding
在运行时使用 java更改属性文件，但它不起作用。我需要在sh文件中执行此操作 谁能告诉我如何执行此操作？我也尝试添加
-Dlog4j.defaultInitOverride=true
回答by Jintian DENG
It's possible to override the log4j properties file at runtime. You may fall into this situation if you cann't :
可以在运行时覆盖 log4j 属性文件。如果你不能，你可能会陷入这种情况：
In your jar or somewhere in the code, the log4j system is initialised manually, e.g.
URL url=loader.getResource(LOGGER_CONFIG_FILE) DOMConfigurator.configure(url);
在您的 jar 或代码中的某个地方，log4j 系统是手动初始化的，例如
URL url=loader.getResource(LOGGER_CONFIG_FILE) DOMConfigurator.configure(url);
回答by paulsm4
Here's a good,step-by-step tutorial (with good screenshots!) that shows a couple of different alternatives for changing your log4j settings at runtime:
这是一个很好的分步教程（带有很好的屏幕截图！），它显示了在运行时更改 log4j 设置的几种不同替代方法：
