如果您的应用程序使用Log4J(请参阅参考资料)，您可以使用一个Servlet来动态启用和禁用Log4 J日志记录级别，而无需重新启动服务器。

If your application USES Log4J (see Resources), there is a servlet that you can use to dynamically enable and disable Log4J logging levels without recycling the server.

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开始积累细胞记录，记录必须首先启动“启用日志”命令。

To begin accumulating Cells records, the log must be first activated with "Enable log" command.

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