org.apache.log4j.helpers.LogLog
This class used to output log statements from within the log4j package.
这个类用于从log4j包里面输出日志语句
Log4j components cannot make log4j logging calls. However, it is sometimes useful for the user to learn about what log4j is doing.
Log4j组件里面不能使用log4j访问
You can enable log4j internal logging by defining the log4j.configDebug variable.
你能够通过定义log4j.configDebug变量启动log4j的内部日志。
注意:log4j.configDebug变量已经被废弃,现在使用log4j.debug替换。
All log4j internal debug calls go to System.out where as internal error messages are sent to System.err. All internal messages are prepended with the string "log4j: ".
本文详细介绍了Log4j内部日志的工作原理及其配置方式。Log4j组件本身不能直接调用Log4j进行日志记录,但可以通过定义log4j.debug变量启用其内部调试信息。所有内部调试信息将被输出到System.out,而错误信息则会被发送到System.err,每条消息都会以log4j:字符串开头。
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