如何在不禁用进一步日志记录的情况下清除 catalina.out? [英] How to clear catalina.out without disabling further logging?

问题描述

每隔一段时间我们的 catalina.out 文件就会变得非常大(是的，我将在我的应用程序中实现 slf4j 和 logback 以防止将来发生这种情况).但是现在，当我去循环日志时，我将 catalina.out 复制到 catalina.{date} 并执行 cat/dev/null >catalina.out.问题是，在我这样做之后，tomcat 将不再捕获更多日志，直到第二天早上重新启动 tomcat，这并不理想.为什么会发生这种情况?有没有办法避免它?

Every once in a while our catalina.out file gets very very large (yes, I will be implementing slf4j and logback in my applications to prevent this in the future). But for now, when I go to cycle the logs, I copy catalina.out to catalina.{date} and execute cat /dev/null > catalina.out. The problem is, tomcat will capture no further logs after I do that, until tomcat is restarted the next morning, and this is not ideal. Why does this happen? And is there a way to avoid it?

推荐答案

简单易行:echo >catalina.out.文件描述符不会改变，java 可以继续写入该文件.

Easy as cake: echo > catalina.out. The file descriptor won't change and java can continue to write to that file.

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