[Mongrel] can not delete pid fils when stopping mongrel_cluster

[Wayne E. Seguin]

On Aug 13, 2007, at 22:21 , sean liu wrote:
> Hi all,
>
> i im using Capistrano2 to deploy my rails app and Apache/Mongrel as  
> it's env. All is well except deploy:rollback  task. the following  
> is log messages when running cap deploy:rollback :
>
> [DEPRECATION] Capistrano.configuration is deprecated. Use  
> Capistrano::Configuration.instance instead
>   * executing `deploy:rollback'
>   * executing `deploy:rollback_code'
>   * executing "ls -x /var/www/apps/person/releases"
>     servers: ["localhost"]
> Password:
>     [localhost] executing command
>     command finished
>   * executing "rm /var/www/apps/person/current; ln -s /var/www/apps/ 
> person/releases/20070813090159 /var/www/apps/person/current && rm - 
> rf /var/www/apps/person/releases/20070814020542"
>     servers: ["localhost"]
>     [localhost] executing command
>     command finished
>   * executing `deploy:restart'
>   * executing `restart_mongrel_cluster'
>   * executing "sudo mongrel_rails cluster::restart -C /var/www/apps/ 
> person/current/config/mongrel_cluster.yml"
>     servers: ["localhost"]
>     [localhost] executing command
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] stopping port 3000
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] stopping port 3001
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost]
>  ** [out :: localhost] stopping port 3002
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] starting port 3000
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] ** !!! PID file tmp/pids/mongrel.3000.pid  
> already exists.  Mongrel could be running already.  Check your log/ 
> mongrel.3000.log for errors.
>  ** [out :: localhost] ** !!! Exiting with error.  You must stop  
> mongrel and clear the .pid before I'll attempt a start.
>  ** [out :: localhost]
>  ** [out :: localhost] starting port 3001
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] ** !!! PID file tmp/pids/mongrel.3001.pid  
> already exists.  Mongrel could be running already.  Check your log/ 
> mongrel.3001.log for errors.
>  ** [out :: localhost] ** !!! Exiting with error.  You must stop  
> mongrel and clear the .pid before I'll attempt a start.
>  ** [out :: localhost]
>  ** [out :: localhost]
>  ** [out :: localhost] starting port 3002
>  ** [out :: localhost] ** Ruby version is not up-to-date; loading  
> cgi_multipart_eof_fix
>  ** [out :: localhost] ** !!! PID file tmp/pids/mongrel.3002.pid  
> already exists.  Mongrel could be running already.  Check your log/ 
> mongrel.3002.log for errors.
>  ** [out :: localhost] **
>  ** [out :: localhost] !!! Exiting with error.  You must stop  
> mongrel and clear the .pid before I'll attempt a start.
>  ** [out :: localhost]
>     command finished
>
> what deploy:rollback task does : remove current symlink, link  
> "current" back to previous release directory, delete the recent  
> release directory, restart mongrel cluster. And all the pid files  
> and log files in all the releases directories are syslinked to  
> shared directory.
> when i issue cap restart_mongrel_cluster command alone, everything  
> is ok. So i guess the problem is due to "rm /var/www/apps/person/ 
> current; ln -s /var/www/apps/person/releases/20070813090159 /var/ 
> www/apps/person/current && rm -rf /var/www/apps/person/releases/ 
> 20070814020542". How did that happen?
> Any suggestions?

Sean,

Pay attention to that depreciation notice.

Anyway, Check the location of your pid files, you apparantly have old  
files laying around so mongrel_cluster thinks that mongrels might  
already be running on the ports it's trying to startup on. If the  
mongrels are not running then delete the pid files (rm tmp/pids/ 
mongrel.*.pid) and try again.

   ~Wayne

s///g
Wayne E. Seguin
Sr. Systems Architect & Systems Administrator

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