I am trying to deploy my first rails app using Capistrano and am getting an error.

Posted by Andrew Bucknell on Stack Overflow See other posts from Stack Overflow or by Andrew Bucknell
Published on 2010-03-05T14:26:45Z Indexed on 2010/05/17 1:10 UTC
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My deployment of a rails app with capistrano is failing and I hoping someone can provide me with pointers to troubleshoot. The following is the command output

[email protected]:~/projects/rails/guestbook2$ cap deploy:setup  
  * executing `deploy:setup'  
  * executing "mkdir -p /var/www/dev/guestbook2 /var/www/dev/guestbook2/releases   /var/www/dev/guestbook2/shared /var/www/dev/guestbook2/shared/system    /var/www/dev/guestbook2/shared/log /var/www/dev/guestbook2/shared/pids &&  chmod g+w   /var/www/dev/guestbook2 /var/www/dev/guestbook2/releases /var/www/dev/guestbook2/shared /var/www/dev/guestbook2/shared/system /var/www/dev/guestbook2/shared/log /var/www/dev/guestbook2/shared/pids"
    servers: ["dev.andrewbucknell.com"]
Enter passphrase for /home/andrew/.ssh/id_dsa: 
Enter passphrase for /home/andrew/.ssh/id_dsa: 
    [dev.andrewbucknell.com] executing command
    command finished
[email protected]:~/projects/rails/guestbook2$ cap deploy:check
  * executing `deploy:check'
  * executing "test -d /var/www/dev/guestbook2/releases"
    servers: ["dev.andrewbucknell.com"]
Enter passphrase for /home/andrew/.ssh/id_dsa: 
    [dev.andrewbucknell.com] executing command
    command finished
  * executing "test -w /var/www/dev/guestbook2"
    servers: ["dev.andrewbucknell.com"]
    [dev.andrewbucknell.com] executing command
    command finished
  * executing "test -w /var/www/dev/guestbook2/releases"
    servers: ["dev.andrewbucknell.com"]
    [dev.andrewbucknell.com] executing command
    command finished
  * executing "which git"
    servers: ["dev.andrewbucknell.com"]
    [dev.andrewbucknell.com] executing command
    command finished
  * executing "test -w /var/www/dev/guestbook2/shared"
    servers: ["dev.andrewbucknell.com"]
    [dev.andrewbucknell.com] executing command
    command finished
You appear to have all necessary dependencies installed
[email protected]:~/projects/rails/guestbook2$ cap deploy:migrations
  * executing `deploy:migrations'
  * executing `deploy:update_code'
    updating the cached checkout on all servers
    executing locally: "git ls-remote [email protected]:/home/andrew/git/guestbook2.git master"
Enter passphrase for key '/home/andrew/.ssh/id_dsa': 
  * executing "if [ -d /var/www/dev/guestbook2/shared/cached-copy ]; then cd /var/www/dev/guestbook2/shared/cached-copy && git fetch  origin && git reset  --hard 369c5e04aaf83ad77efbfba0141001ac90915029 && git clean  -d -x -f; else git clone  [email protected]:/home/andrew/git/guestbook2.git /var/www/dev/guestbook2/shared/cached-copy && cd /var/www/dev/guestbook2/shared/cached-copy && git checkout  -b deploy 369c5e04aaf83ad77efbfba0141001ac90915029; fi"
    servers: ["dev.andrewbucknell.com"]
Enter passphrase for /home/andrew/.ssh/id_dsa: 
    [dev.andrewbucknell.com] executing command
 ** [dev.andrewbucknell.com :: err] Permission denied, please try again.
 ** Permission denied, please try again.
 ** Permission denied (publickey,password).
 ** [dev.andrewbucknell.com :: err] fatal: The remote end hung up unexpectedly
 ** [dev.andrewbucknell.com :: out] Initialized empty Git repository in /var/www/dev/guestbook2/shared/cached-copy/.git/
    command finished
failed: "sh -c 'if [ -d /var/www/dev/guestbook2/shared/cached-copy ]; then cd /var/www/dev/guestbook2/shared/cached-copy && git fetch  origin && git reset  --hard 369c5e04aaf83ad77efbfba0141001ac90915029 && git clean  -d -x -f; else git clone  [email protected]:/home/andrew/git/guestbook2.git /var/www/dev/guestbook2/shared/cached-copy && cd /var/www/dev/guestbook2/shared/cached-copy && git checkout  -b deploy 369c5e04aaf83ad77efbfba0141001ac90915029; fi'" on dev.andrewbucknell.com
[email protected]:~/projects/rails/guestbook2$

The following fragment is from cap -d deploy:migrations

Preparing to execute command: "find /var/www/dev/guestbook2/releases/20100305124415/public/images /var/www/dev/guestbook2/releases/20100305124415/public/stylesheets /var/www/dev/guestbook2/releases/20100305124415/public/javascripts -exec touch -t 201003051244.22 {} ';'; true"
Execute ([Yes], No, Abort) ?  |y|  yes
  * executing `deploy:migrate'
  * executing "ls -x /var/www/dev/guestbook2/releases"
Preparing to execute command: "ls -x /var/www/dev/guestbook2/releases"
Execute ([Yes], No, Abort) ?  |y|  yes
/usr/lib/ruby/gems/1.8/gems/capistrano-2.5.17/lib/capistrano/recipes/deploy.rb:55:in `join': can't convert nil into String (TypeError)
    from /usr/lib/ruby/gems/1.8/gems/capistrano-2.5.17/lib/capistrano/recipes/deploy.rb:55:in `load'

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