Rails Forum - Ruby on Rails Help and Discussion Forum - Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (mona2013) — Tue, 09 Apr 2013 04:09:58 +0000

I had the same issue

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (lucyming) — Mon, 01 Apr 2013 14:23:29 +0000

The solutions about work well to solve the problem.

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Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (nalian) — Sun, 02 Dec 2012 03:39:01 +0000

I cannot get WEBrick to boot anymore

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (zebolee) — Sun, 25 Nov 2012 07:40:58 +0000

Interesting but not fully complete analyses of topic please you should improve your site information by reading different source of knowledge.
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Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (johny) — Sun, 11 Nov 2012 05:52:15 +0000

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Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (Kenank) — Mon, 22 Oct 2012 08:00:31 +0000

Try to use rails s -p 3001

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Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (iKindred) — Thu, 13 Sep 2012 01:15:20 +0000

dalia wrote:

I get the same error exactly but on mac ... any help?

Open Activity Monitor, select 'All Processes' from the dropdown and filter the list using 'ruby'. Then click the huge red Quit button and you're done.

Note: IRB/rails console processes are listed as well so procede with caution.

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (bharat_soni) — Fri, 22 Jun 2012 10:33:26 +0000

use the same think above with other port number in terminal.

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (dalia) — Sun, 13 May 2012 23:43:53 +0000

I get the same error exactly but on mac ... any help?

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (bredhedden1) — Sat, 28 Jan 2012 20:50:19 +0000

oh thanks for shortcut keys which will helpful for me.

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (autobot) — Fri, 11 Nov 2011 19:44:49 +0000

yeah,just CTRL-C or exit the terminal and restart it))))))))

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (stacyvlasits) — Fri, 04 Feb 2011 20:18:28 +0000

The solutions about work well to solve the problem.

Here's a tip to prevent it: Shut webrick down using CTRL-C instead of CTRL-Z. That was my mistake.

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (baldmark) — Tue, 11 Jan 2011 12:09:32 +0000

You can use an option with the lsof command to make things easier:

lsof -iTCP:3000

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (pash26) — Thu, 28 Oct 2010 16:14:40 +0000

If you get that error again, you can specify a different port number using "-p xxx" where xxx is the port number.

Re: Cannot Boot WEBrick: "WARN TCPServer Error: Address already in use "

dummy@example.com (rcanand) — Sun, 24 Oct 2010 23:57:23 +0000

I had the same issue, and this didnt work as described (with webrick on rails 3 on a mac) - the lsof didnt return a result like shown. I used:

lsof | grep IPv4

and found a line with :

ruby 6205 myusername IPv4

which I then kill -9'ed.