Example of how to kill tomcat on port 8080 with windows command line:
C:\> netstat -ano | findstr :8080 TCP 0.0.0.0:8080 0.0.0.0:0 LISTENING 8224 TCP [::]:8080 [::]:0 LISTENING 8224 C:\> taskkill /PID 8224 /F SUCCESS: The process with PID 8224 has been terminated.
Example on port 8080 - taken by tomcat.
Below screenshot finds process by port 8080 (tomcat), we get PID from last column and paste it to taskkill command. As last line in console we have result 'SUCESS' - the process with OUR_PID has been terminated.