当我尝试 lsnrctl 启动时,出现以下错误:
TNS-01106: Listener using listener name LISTENER has already been started
但是,如果我尝试 lsnrctl 停止:
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) TNS-01189: The listener could not authenticate the user
正如我们所见,HOST 是空的。我该如何解决这个问题?