[Error Solve] The server cannot be started because one or more of the ports are invalid. Open the server editor and correct the invalid ports.

[Error Solve] The server cannot be started because one or more of the ports are invalid. Open the server editor and correct the invalid ports.

tomcat server config

How can we solve this problem? In my case, i change the Port Number. Default, Tomcat admin port is ‘-‘. So, this made all problem. You can solve this problem just using not using port. I use port 8005.