Solutions port number is occupied (tomcat, SpringBoot based on port number can not start) of

1 ..... whom view the port number (process) occupation

　　---- "win + R mating bond dos command input window opening  

　　---- "type the command: netstat -ano | findstr" port number "(start-occupied port number)

 

　　Example: 80 Port Number

 

 

       ---- "type the command: tasklist | findstr" pid "(according to pid see which processes are using this port number)

 

　　---- "type the command: taskkill / pid pid / f (the end of this process, so that the port number is idle)

　　This system can not end, deny access! ! ! (Under normal circumstances, we can end)

　　

 

solve:

         The simplest is: Replace the port number, other unoccupied too