Newbie Alert: RoR on Passenger issue

[Saurabh Agrawal-5]

Hi,

Just finished installing RoR on my brand new linode Ubuntu 9.04 VPS using following guides:

http://library.linode.com/web-frameworks/ruby-on-rails/installing-ruby-on-rails-with-apache

https://help.ubuntu.com/community/RubyOnRails

However, when I click on "About your application's environment" I get following error:

Passenger encountered the following error:

The application spawner server exited unexpectedly

Exception class:

Passenger::Railz::ApplicationSpawner::Error

Backtrace:

#	File	Line	Location
0	/usr/lib/ruby/1.8/passenger/railz/application_spawner.rb	182	in `start'
1	/usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb	270	in `handle_spawn_application'
2	/usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb	263	in `synchronize'
3	/usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb	263	in `handle_spawn_application'
4	/usr/lib/ruby/1.8/passenger/abstract_server.rb	317	in `__send__'
5	/usr/lib/ruby/1.8/passenger/abstract_server.rb	317	in `main_loop'
6	/usr/lib/ruby/1.8/passenger/abstract_server.rb	168	in `start_synchronously'
7	/usr/lib/ruby/1.8/passenger/abstract_server.rb	135	in `start'
8	/usr/lib/ruby/1.8/passenger/abstract_server.rb	112	in `fork'
9	/usr/lib/ruby/1.8/passenger/abstract_server.rb	112	in `start'
10	/usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb	87	in `start'
11	/usr/lib/ruby/1.8/passenger/spawn_manager.rb	218	in `spawn_rails_application'
12	/usr/lib/ruby/1.8/passenger/spawn_manager.rb	213	in `synchronize'
13	/usr/lib/ruby/1.8/passenger/spawn_manager.rb	213	in `spawn_rails_application'
14	/usr/lib/ruby/1.8/passenger/spawn_manager.rb	122	in `spawn_application'
15	/usr/lib/ruby/1.8/passenger/spawn_manager.rb	247	in `handle_spawn_application'
16	/usr/lib/ruby/1.8/passenger/abstract_server.rb	317	in `__send__'
17	/usr/lib/ruby/1.8/passenger/abstract_server.rb	317	in `main_loop'
18	/usr/lib/ruby/1.8/passenger/abstract_server.rb	168	in `start_synchronously'
19	/usr/lib/passenger/passenger-spawn-server	46

Any ideas please?

Thanks for reading.

With regards,

Saurabh Agrawal.

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[Adam Akhtar-2]

I've got absolutely the same problem, but with 9.10, following the same
guide on linode library.
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[jhaagmans]

Did you restart Apache?
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[Adam Akhtar-2]

jhaagmans wrote:
> Did you restart Apache?

Yep, I even tried restarting the whole server and it didn't help.
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[jhaagmans]

Any gems installed apart from the default ones?
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[Adam Akhtar-2]

jhaagmans wrote:
> Any gems installed apart from the default ones?

nothing, just followed the guide
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[jhaagmans]

There's no real error in the OP. Are you sure your message states the
exact same? What does the rest of your server setup look like?

I've found similar reports with no real error messages on the net, but
those problems appear to be caused by memory limits and such. Could
that be a problem on your setup?
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[Adam Akhtar-2]

jhaagmans wrote:
> There's no real error in the OP. Are you sure your message states the
> exact same? What does the rest of your server setup look like?
>
> I've found similar reports with no real error messages on the net, but
> those problems appear to be caused by memory limits and such. Could
> that be a problem on your setup?

Uh now I feel really stupid, it seems that I didn't check the whole log,
it is pretty different

anyway, I have set up virtual machine with 512MB RAM, 8GB HDD and the
only thing that is runnig there is Apache, Mysql and Passenger, so I
guess there is no problem with memory

/usr/lib/ruby/1.8/passenger/application.rb:58:Warning:
Gem::SourceIndex#search support for String patterns is deprecated, use
#find_name
*** Exception NoMethodError in Passenger::Railz::ApplicationSpawner (You
have a nil object when you didn't expect it!
The error occurred while evaluating nil.warn) (process 9718):
  from
/var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/deprecation.rb:17
  from
/var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/deprecation.rb:24:in
`call'
  from
/var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/deprecation.rb:24:in
`warn'
  from
/var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/deprecation.rb:188:in
`warn'
  from
/var/lib/gems/1.8/gems/activesupport-2.3.4/lib/active_support/deprecation.rb:134:in
`method_missing'
  from /usr/lib/ruby/1.8/passenger/utils.rb:86:in
`close_all_io_objects_for_fds'
  from /usr/lib/ruby/1.8/passenger/utils.rb:85:in `each_object'
  from /usr/lib/ruby/1.8/passenger/utils.rb:85:in
`close_all_io_objects_for_fds'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:127:in `start'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `fork'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `start'
  from /usr/lib/ruby/1.8/passenger/railz/application_spawner.rb:177:in
`start'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:270:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:263:in
`synchronize'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:263:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `__send__'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `main_loop'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:168:in
`start_synchronously'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:135:in `start'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `fork'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `start'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:87:in
`start'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:218:in
`spawn_rails_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:213:in `synchronize'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:213:in
`spawn_rails_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:122:in
`spawn_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:247:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `__send__'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `main_loop'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:168:in
`start_synchronously'
  from /usr/lib/passenger/passenger-spawn-server:46
*** Exception NoMethodError in Passenger::Railz::FrameworkSpawner
(undefined method `child_exception' for
#<Passenger::Railz::ApplicationSpawner::Error:0xb68ea40c>) (process
9717):
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:274:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:263:in
`synchronize'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:263:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `__send__'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `main_loop'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:168:in
`start_synchronously'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:135:in `start'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `fork'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:112:in `start'
  from /usr/lib/ruby/1.8/passenger/railz/framework_spawner.rb:87:in
`start'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:218:in
`spawn_rails_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:213:in `synchronize'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:213:in
`spawn_rails_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:122:in
`spawn_application'
  from /usr/lib/ruby/1.8/passenger/spawn_manager.rb:247:in
`handle_spawn_application'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `__send__'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:317:in `main_loop'
  from /usr/lib/ruby/1.8/passenger/abstract_server.rb:168:in
`start_synchronously'
  from /usr/lib/passenger/passenger-spawn-server:46
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