GlassFish v3 Domain Server cannot start. Port is occupied

Question

I imagine this is a pretty generic error. I cant seem to find any documentation on it.

I am simply attempting to run a java web project with jsp\'s and beans... using n

Answer 1

As Andrey said, first, in the command line type:

> netstat -aon | find ":80" | find "LISTENING"

Next, kill the task of the result

> taskkill /F /pid 4996

Where 4996 is the pid you get when you type the netstat command. I had the same problem, but the task did not appear in the task manager so I had to use the taskkill command.