From: Jamis Buck <jamis@37signals.com>
Date: 2005-10-25T23:23:33+09:00
Subject: Re: net-ssh question

On Oct 25, 2005, at 8:12 AM, itsme213 wrote:

> I'm using net/ssh to do some simple publication of a web site, and  
> I get
> frequent but unpredictable "corrupted mac detected" errors. The same
> commands may die a few times, then succeed. These commands never  
> die when
> I'm manually typing them into the shell.
>
> Any ideas
> (a) what may be causing this
> (b) what I can do to improve it

What is your local host's OS and SSH version? What is the server's OS  
and SSH version?

Can you write a simple script that gets the corrupted mac detected  
error? If so, can you enable debugging output and send the output to me?

- Jamis

>
> Below are the echoed versions of remote commands with 3 consecutive
> failures, then one success.
>
> Thanks!
> ------------------
>
>
>> rake remote_publish
>>
>
> cd site.com/ccc/eval...
> rm -rf generated_site...
> unzip generated_site.zip -d generated_site...
> rake aborted!
> corrupted mac detected
> rakefile.rb:192:in `ssh_cmd_echo'
>
>
>> rake remote_publish
>>
>
> cd site.com/ccc/eval...
> rm -rf generated_site...
> unzip generated_site.zip -d generated_site...
> rake aborted!
> corrupted mac detected
> rakefile.rb:192:in `ssh_cmd_echo'
>
>
>> rake remote_publish
>>
>
> cd site.com/ccc/eval...
> rm -rf generated_site...
> unzip generated_site.zip -d generated_site...
> rake aborted!
> corrupted mac detected
> rakefile.rb:192:in `ssh_cmd_echo'
>
>
>> rake remote_publish
>>
>
> cd site.com/ccc/eval...
> rm -rf generated_site...
> unzip generated_site.zip -d generated_site...
> rm -rf published_site...
> mv generated_site published_site...
>
> ----------
> Fwiw, the "ssh_cmd_echo" is simply this:
> def ssh_cmd_echo shell, cmd
>  puts cmd + "..."
>  out = shell.send_command cmd
>  if out.status != 0
>   puts " #=> Failed: " + out.stderr
>   raise Exception
>  end
> end
>
>
>
>