Log4net登录开发人员机器，但在测试服务器中没有登录

I'm using log4net 1.2.11. So, the logging is working in developer machine, but when i publish in a test server it is not working. Debugging remotely, i saw that the log is load correctly in ILog variable, but when it calls log.Error(), nothing happens, no log file, no log4net exception. I'm using log4net 1.2.11. So, the logging is wo