There was a problem starting the TomcatV9.0 server on the local host. How many ports does TomcatV9 need (8005800)? The server on the 0 local host is already in use. The server may already be running in another process, or the port may be in use by a system process. To start this server, you need to stop other processes or change the port number.

Description: In short, the port conflicts and the port needs to be changed. This prompt says that 8005 and 8080 are already in use.

Solve:

1.win+R Open the console and enter: type netstat -ano at the command line.

You can see the usage of occupied ports in the list, and the process identification is 10728.

3. Disable or end the program corresponding to the process identifier PID.

A. (Right-click the lower bar of the desktop) Open the task manager, select details, view the process or program with PID of 10728, here is javaw.exe, and then right-click to disable or end the process.

B. Command line input

This command can end the process specified by the process number.