Terminate port process:

(1) enter netstat -aon|findstr in the dos window? "80"

(2) Look at the last number, assuming it is 3060, indicating that the process with PID of 3060 is occupying this port.

(3) Task Manager-Process-View-Select Column-Check PID, find the process with PID of 3060 and close it.

Use another port and add a node to tomcat's configuration file server.xml, as shown below.