And when I comment out these settings, things start working again (at
least now during non-peak hours), so it seems these settings break cap
(or net:ssh). In the man page for sshd_config, it states that these
settings are for ssh protocol v2 only - is net::ssh v2? If it is,
then maybe the async nature of the server polling back to the client
is exposing a bug somewhere?
Also, the net:ssh docs mention have this intriguing example for
Net::SSH::Connection:Session::send_global_request
ssh.send_global_request("[EMAIL PROTECTED]")
If I can't get server side keep alives working, any tips on using this
as a keep-alive mechanism on the client side?
Matt
On Jul 14, 10:53 pm, matt <[EMAIL PROTECTED]> wrote:
> Nope,
>
> ClientAliveInterval 15
> ClientAliveCountMax 15
>
> gives the following stack trace every time in the same place (when it
> tries to restart the 3rd of 3 app server instances)
>
> /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/buffered_io.rb:
> 98:in `send': closed stream (IOError)
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> buffered_io.rb:98:in `send_pending'
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:208:in `postprocess'
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:207:in `each'
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:207:in `postprocess'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:31:in `process_iteration'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:43:in `ensure_each_session'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:41:in `each'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:41:in `ensure_each_session'
> ... 75 levels...
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/cli/
> execute.rb:14:in `execute'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/bin/cap:4
> from /usr/bin/cap:19:in `load'
> from /usr/bin/cap:19
>
> or sometimes this trace earlier in the process:
>
> /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:523:in `channel_request': undefined method `do_request' for
> nil:NilClass (NoMethodError)
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:428:in `send'
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:428:in `dispatch_incoming_packets'
> from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> session.rb:185:in `preprocess'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:17:in `process_iteration'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:43:in `ensure_each_session'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:41:in `each'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:41:in `ensure_each_session'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> processable.rb:17:in `process_iteration'
> ... 74 levels...
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/cli/
> execute.rb:14:in `execute'
> from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/bin/cap:4
> from /usr/bin/cap:19:in `load'
> from /usr/bin/cap:19
>
> On Jul 14, 3:37 pm, Jamis Buck <[EMAIL PROTECTED]> wrote:
>
> > Try reducing the interval to 15 or 20 and see if that makes any
> > difference. If it doesn't, try setting ClientAliveCountMax to 6 or
> > higher.
>
> > - Jamis
>
> > On Jul 14, 2008, at 1:07 PM, matt wrote:
>
> > > Ok, I added "ClientAliveInterval 60", and now I'm getting a couple of
> > > different errors, at the exact same point in the deploy process that I
> > > was getting the ECONNRESET, pretty repeatable, and probably too
> > > strange to be coincidence:
>
> > > /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/buffered_io.rb:
> > > 98:in `send': closed stream (IOError)
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > buffered_io.rb:98:in `send_pending'
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:208:in `postprocess'
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:207:in `each'
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:207:in `postprocess'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:31:in `process_iteration'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:43:in `ensure_each_session'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:41:in `each'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:41:in `ensure_each_session'
> > > ... 75 levels...
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/cli/
> > > execute.rb:14:in `execute'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/bin/cap:4
> > > from /usr/bin/cap:19:in `load'
> > > from /usr/bin/cap:19
>
> > > /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/connection/
> > > session.rb:523:in `channel_request': undefined method `do_request' for
> > > nil:NilClass (NoMethodError)
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:428:in `send'
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:428:in `dispatch_incoming_packets'
> > > from /Library/Ruby/Gems/1.8/gems/net-ssh-2.0.3/lib/net/ssh/
> > > connection/
> > > session.rb:185:in `preprocess'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:17:in `process_iteration'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:43:in `ensure_each_session'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:41:in `each'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:41:in `ensure_each_session'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/
> > > processable.rb:17:in `process_iteration'
> > > ... 74 levels...
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/lib/capistrano/cli/
> > > execute.rb:14:in `execute'
> > > from /Library/Ruby/Gems/1.8/gems/capistrano-2.4.3/bin/cap:4
> > > from /usr/bin/cap:19:in `load'
> > > from /usr/bin/cap:19
>
> > > On Jul 8, 4:33 pm, matt <[EMAIL PROTECTED]> wrote:
> > >> I have TCPKeepAlive turned on, but not ClientAliveInterval, I'll try
> > >> that. Thanks,
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