had there been a error, things would have been very easier then :P
On 7/30/07, Matt Zukowski <[EMAIL PROTECTED]> wrote: > > Check two things: > > - Database connection might be getting closed by the DB server (we've > had this exact problem with MySQL) > - Logs might be getting rotated (although you'd probably get a different > error if this were the case) > > > Olly Lylo wrote: > > Hi > > I posted this to the Ruby on Rails Talk group but I thought I'd post it > here > > too as it's probably a more appropriate group. Hope this is ok. > > > > I'm running a 2-instance Mongrel cluster behind Apache 2.2.4 with Rails > > 1.2.3. If no requests are received by the application for several hours > > (this usually happens overnight) then Mongrel stops > > responding and no requests are detected by Rails (at least nothing is in > the > > Rails log). Nothing untoward is in the Mongrel log. > > > > If you try and visit the application, the request times out with a 502 > Proxy > > Error. Apache is still up and running and serving static files without > a > > problem, but the following is present in the Apache error log (from > trying > > to hit the SessionController, identified by / sessions) which may > provide a > > clue: > > > > [Sun Jul 29 08:37:36 2007] [error] proxy: error reading status line > from > > remote server 127.0.0.1 > > [Sun Jul 29 08:37:36 2007] [error] proxy: Error reading from remote > > server returned by /sessions > > > > Restarting the Mongrel cluster resolves the problem until the next time > it > > happens. I have done a lot of reading about this issue online and a > number > > of sources -- including the Mongrel FAQ -- point to being able to fix a > > 'hanging mongrel' situation by setting this value in environment.rb: > > > > ActiveRecord::Base.verification_timeout = 14400 > > > > This make the ActiveRecord timeout value less than the MySQL default of > > 28800. I have made this change and it doesn't appear to make a > difference. > > > > Can anyone advise me on what to try next to diagnose this issue? > > I'm quickly running out of ideas and I'd appreciate a bit of help! > > > > Here are the vitals from our Ubuntu 6.0.6 server: > > > > MySQL > > Ver 14.12 Distrib 5.0.22, for pc-linux-gnu (x86_64) using > readline > > 5.1 > > connect_timeout 5 > > interactive_timeout 28800 > > max_connect_errors 10 > > max_connections 100 > > max_user_connections 0 > > wait_timeout 28800 > > > > ruby 1.8.6 (2007-03-13 patchlevel 0) [x86_64-linux] > > cgi_multipart_eof_fix (2.2) > > fastthread (1.0) > > mongrel (1.0.1) > > mongrel_cluster (1.0.2) > > > > Apache/2.2.4 (Unix) > > > > Mongrel Cluster Config: > > port: "8000" > > environment: production > > address: 127.0.0.1 > > pid_file: log/mongrel.pid > > servers: 2 > > user: [the user] > > group: [the group] > > > > Apache Load Balancer setup: > > <Proxy balancer://appname_cluster> > > BalancerMember http://127.0.0.1:8000 > > BalancerMember http://127.0.0.1:8001 > > </Proxy> > > > > Apache Loaded Modules: > > core_module (static) > > authn_file_module (static) > > authn_default_module (static) > > authz_host_module (static) > > authz_groupfile_module (static) > > authz_user_module (static) > > authz_default_module (static) > > auth_basic_module (static) > > cache_module (static) > > include_module (static) > > filter_module (static) > > deflate_module (static) > > log_config_module (static) > > env_module (static) > > headers_module (static) > > setenvif_module (static) > > proxy_module (static) > > proxy_connect_module (static) > > proxy_ftp_module (static) > > proxy_http_module (static) > > proxy_ajp_module (static) > > proxy_balancer_module (static) > > ssl_module (static) > > mpm_prefork_module (static) > > http_module (static) > > mime_module (static) > > status_module (static) > > autoindex_module (static) > > asis_module (static) > > cgi_module (static) > > negotiation_module (static) > > dir_module (static) > > actions_module (static) > > userdir_module (static) > > alias_module (static) > > rewrite_module (static) > > so_module (static) > > php5_module (shared) > > info_module (shared) > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Mongrel-users mailing list > > [email protected] > > http://rubyforge.org/mailman/listinfo/mongrel-users > > > > This e-mail message is privileged, confidential and subject to copyright. > Any unauthorized use or disclosure is prohibited. > Le contenu du pr'esent courriel est privil'egi'e, confidentiel et soumis > `a des droits d'auteur. Il est interdit de l'utiliser ou de le divulguer > sans autorisation. > > > _______________________________________________ > Mongrel-users mailing list > [email protected] > http://rubyforge.org/mailman/listinfo/mongrel-users >
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