Passenger barfs.

[Douglas Garstang]

I have a freshly installed and updated CentOS 5.4 system running
puppet 0.25.5. I followed the passenger docs here:

http://projects.puppetlabs.com/projects/puppet/wiki/Using_Passenger

Upon starting the client, the following appears in the apache error log.

[Thu Jun 24 10:48:40 2010] [error] [client 10.10.4.45] Premature end
of script headers: production
[ pid=6785 file=ext/apache2/Hooks.cpp:706 time=2010-06-24 10:48:40.476 ]:
The backend application (process 7077) did not send a valid HTTP
response; instead, it sent nothing at all. It is possible that it has
crashed; please check whether there are crashing bugs in this
application.
*** Exception TypeError in PhusionPassenger::Rack::ApplicationSpawner
(can't convert Array into String) (process 7077):
from /usr/lib/ruby/gems/1.8/gems/rack-1.2.1/lib/rack/utils.rb:138:in
`union'
from /usr/lib/ruby/gems/1.8/gems/rack-1.2.1/lib/rack/utils.rb:138
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_original_require'
from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
from /usr/lib/ruby/gems/1.8/gems/rack-1.2.1/lib/rack/request.rb:1
from /usr/lib/ruby/site_ruby/1.8/puppet/network/http/rack.rb:35:in
`call'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/rack/request_handler.rb:92:in
`process_request'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_request_handler.rb:207:in
`main_loop'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/rack/application_spawner.rb:120:in
`run'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/rack/application_spawner.rb:65:in
`spawn_application'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/utils.rb:252:in
`safe_fork'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/rack/application_spawner.rb:58:in
`spawn_application'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/rack/application_spawner.rb:41:in
`spawn_application'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb:150:in
`spawn_application'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb:278:in
`handle_spawn_application'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb:352:in
`__send__'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb:352:in
`main_loop'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb:196:in
`start_synchronously'
from /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/bin/passenger-spawn-server:61

Anyone got any ideas?

Doug.

[Gary Larizza]

Check Passenger version. Had this problem, rolled back to 2.2.9
(IIRC), removed the most recent Gem (2.2.11, I think), and all was
well.

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--
Gary Larizza

Director of Technology
Huron City Schools
http://www.huronhs.com

悟

[Silviu Paragina]

Also check the rack version, and the requirements for your version of
passenger. It smells like an incompatibility between the passenger
version and the rack version.
Aka what Gary said should be perfectly valid.

Silviu

[Gary Larizza]

Yep - I narrowed it down to Rack and Passenger, but haven't tested for
exactly which one was the problem since I fixed it. I should have
probably submitted a bug. We were using OS X 10.6.4 Server, BTW.

[Douglas Garstang]

On Thu, Jun 24, 2010 at 6:20 PM, Gary Larizza <ccs...@gmail.com> wrote:
> Yep - I narrowed it down to Rack and Passenger, but haven't tested for
> exactly which one was the problem since I fixed it.  I should have
> probably submitted a bug. We were using OS X 10.6.4 Server, BTW.
>
> On Thursday, June 24, 2010, Silviu Paragina <sil...@paragina.ro> wrote:
>> Also check the rack version, and the requirements for your version of passenger. It smells like an incompatibility between the passenger version and the rack version.
>> Aka what Gary said should be perfectly valid.

Ugh. Thanks. When I installed passenger, I got 2.1.15. I'm not a gem
user... don't use them. The web site
(http://blog.phusion.nl/2010/01/08/phusion-passenger-2-2-9-released/)
says to get 2.2.9 just do a 'gem install passenger' .... which is how
I got 2.2.15 installed.

Doug.

[Douglas Garstang]

So, went to passenger 2.2.9. Still not working. Same error.

[root@inst01 httpd]# gem list

*** LOCAL GEMS ***

fastthread (1.0.7)
passenger (2.2.9)
rack (1.2.1)
rake (0.8.7)

[root@inst01 httpd]# ruby -v
ruby 1.8.5 (2006-08-25) [x86_64-linux]

[root@inst01 httpd]# rpm -qa | grep puppet
puppet-0.25.5-1.el5
puppet-server-0.25.5-1.el5

So... I don't have a clue...

Doug.

[Gary Larizza]

Remove rack 1.2.1 first and then install rack 1.1.0.  It seems that rack 1.1.0 and passenger 2.2.9 have been the magic combination (at least for me).

-Gary

Doug.

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[alaric]

Hi Gary,

I just wanted to thank you for the post, I was running into this
exact same issue and rolling back to rack 1.1.0 worked for me. This
was really frustrating! I'm on RHEL5 using EPEL and Gems, so I felt
like I was being as vanilla as you could get!

Thanks again!


-a

On Jun 25, 7:14 am, Gary Larizza <ccsh...@gmail.com> wrote:
> Remove rack 1.2.1 first and then install rack 1.1.0.  It seems that rack
> 1.1.0 and passenger 2.2.9 have been the magic combination (at least for me).
>
> -Gary
>
> On Fri, Jun 25, 2010 at 2:06 AM, Douglas Garstang

> <doug.garst...@gmail.com>wrote:

>
>
>
> > On Thu, Jun 24, 2010 at 10:48 PM, Douglas Garstang

> > <doug.garst...@gmail.com> wrote:

> > puppet-users...@googlegroups.com<puppet-users%2Bunsu...@googlegroups.com>
> > .

[Gary Larizza]

Glad I could help!

Last I heard, Jeff McCune was doing some tests with Passenger to figure out the best combination of Passenger/Rack.  He filed a bug (http://projects.puppetlabs.com/issues/4218), so be sure to Watch/Vote for it if you'd like to see it addressed.  

-Gary

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