Address already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)
lsof -wni tcp:3000
kill -9 PID_numberAddress already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)
lsof -wni tcp:3000
kill -9 PID_numberaddress already in use ruby
#get list of process running on tcp:3000
lsof -wni tcp:3000
#you will get something like this
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ruby 2401 ubuntu 10u IPv4 805038 0t0 TCP 127.0.0.1:3000 (LISTEN)
ruby 2401 ubuntu 15u IPv6 805039 0t0 TCP [::1]:3000 (LISTEN)
#now kill process.
#by running this command ->$ kill -9 <PID>
kill -9 2401
#now try to start your server again.Address already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)
sudo fuser -k -n tcp portCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
