在 Java 中禁用 Log4J 输出
如何使用 log4j.properties
文件快速关闭所有 Log4J 输出?
How can one quickly turn off all Log4J output using a log4j.properties
file?
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将级别设置为关闭
(而不是调试、信息……)
Set level to OFF
(instead of DEBUG, INFO, ....)
如果您想以编程方式关闭日志记录,请使用
If you want to turn off logging programmatically then use
您可以将级别更改为“关闭”,这将消除所有日志记录。 根据 log4j 网站,有效级别按重要性顺序为 TRACE、DEBUG、INFO、WARN、ERROR、FATAL。 有一个未记录的级别 称为 OFF,它比 FATAL 级别更高,并且关闭所有日志记录。
您还可以创建一个额外的根记录器来不记录任何内容(级别为OFF),以便您可以轻松切换根记录器。 这里有一篇文章可帮助您入门关于这一点。
您可能还想阅读 Log4J 常见问题解答, 因为我认为关闭所有日志记录可能都没有帮助。 它肯定不会使您的应用程序加速那么多,因为无论如何都会执行日志记录代码,直到 log4j 决定不需要记录此条目为止。
You can change the level to OFF which should get rid of all logging. According to the log4j website, valid levels in order of importance are TRACE, DEBUG, INFO, WARN, ERROR, FATAL. There is one undocumented level called OFF which is a higher level than FATAL, and turns off all logging.
You can also create an extra root logger to log nothing (level OFF), so that you can switch root loggers easily. Here's a post to get you started on that.
You might also want to read the Log4J FAQ, because I think turning off all logging may not help. It will certainly not speed up your app that much, because logging code is executed anyway, up to the point where log4j decides that it doesn't need to log this entry.
此外,还可以通过编程方式关闭日志记录:
或者
这些使用导入:
In addition, it is also possible to turn logging off programmatically:
Or
These use imports:
将级别更改为您想要的级别。 (我使用的是Log4j2,版本2.6.2)。 这是最简单的方法,更改为
例如:文件
log4j2.xml
开发环境
生产环境
Change level to what you want. (I am using Log4j2, version 2.6.2). This is simplest way, change to
<Root level="off">
For example: File
log4j2.xml
Development environment
Production environment