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Called each time the Tailer reaches the end of the file. <p> <b>Note:</b> this is called from the tailer thread. <p> Note: a future version of commons

Called if a file rotation is detected. <p> This method is called before the file is reopened, and fileNotFound may be called if the new file has not y

获取 OkHttpClient @return OkHttpClient

读取文件最后N行 @param numRead @return

true代表使用访问顺序 @param cacheSize

Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s. @param file The file to follow. @param listener

具体控制权限，角色，url等安全 @param http @throws Exception

实现推送功能，配置消息代理 @param config

错误页面需要放在Spring Boot web应用的static内容目录下， 它的默认位置是：src/main/resources/static @return

This method is called if the tailed file is not found.

Called if a file rotation is detected. <p> This method is called before the file is reopened, and fileNotFound may be called if the new file has not y

Return the delay in milliseconds. @return the delay in milliseconds.

Return the file. @return the file