Child processes hang and won't die under Ruby 1.9 about shotgun HOT 10 CLOSED

confirmed,
ruby 1.9
Shotgun 0.6

works
ruby config.ru

doesn't work, it's just hangs there forever
shotgun config.ru

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I'm not sure if this is related, but I've found that whenever I start my Sinatra app using Shotgun, the first request hangs indefinitely. After I hit refresh everything works fine, but when I try to kill webrick it hangs at "going to shutdown ..." until I open up Activity Monitor and manually kill the Ruby process(es). This doesn't happen when I use rackup, so I assume the problem is with Shotgun. (Ruby 1.9.1p376, Shotgun 0.6)

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This seems to be due to Marshal causing a deadlock. Like grant said, it's just that first request that deadlocks... if I kill that request, the server shuts down normally. Also, the forked parent PID is the main parent PID for subsequent requests, so I don't think the child is accepting connections.

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I think this is the issue causing it for me:
http://redmine.ruby-lang.org/issues/show/1525

from shotgun.

Maybe the simplest solution is to add some logic to prevent shotgun from firing up Webrick when it detects Ruby 1.9?

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here with Shotgun 0.8 and Ruby 1.9 the application dont works, results on load error (cant find the file of my app)

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+1 it cannot load my app file when using Webrick or Thin on Ruby 1.9.2-p0 with Shotgun 0.8 and Sinatra 1.1.0.

Backtrace:

internal:lib/rubygems/custom_require:29:in require' <internal:lib/rubygems/custom_require>:29:inrequire'
/usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/loader.rb:114:in inner_app' /usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/loader.rb:102:inassemble_app'
/usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/loader.rb:86:in proceed_as_child' /usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/loader.rb:31:incall!'
/usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/loader.rb:18:in call' /usr/local/Cellar/gems/1.9/gems/shotgun-0.8/lib/shotgun/favicon.rb:12:incall'
/usr/local/Cellar/gems/1.9/gems/rack-1.2.1/lib/rack/builder.rb:77:in call' /usr/local/Cellar/gems/1.9/gems/rack-1.2.1/lib/rack/content_length.rb:13:incall'
/usr/local/Cellar/gems/1.9/gems/rack-1.2.1/lib/rack/chunked.rb:15:in call' /usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/connection.rb:76:inblock in pre_process'
/usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/connection.rb:74:in catch' /usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/connection.rb:74:inpre_process'
/usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/connection.rb:57:in process' /usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/connection.rb:42:inreceive_data'
/usr/local/Cellar/gems/1.9/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in run_machine' /usr/local/Cellar/gems/1.9/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:inrun'
/usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/backends/base.rb:57:in start' /usr/local/Cellar/gems/1.9/gems/thin-1.2.7/lib/thin/server.rb:156:instart'
/usr/local/Cellar/gems/1.9/gems/rack-1.2.1/lib/rack/handler/thin.rb:14:in run' /usr/local/Cellar/gems/1.9/gems/shotgun-0.8/bin/shotgun:156:in<top (required)>'
/usr/local/bin/shotgun:19:in load' /usr/local/bin/shotgun:19:in

from shotgun.

Aha, correction, this has been fixed in issue http://github.com/rtomayko/shotgun/issues/closed#issue/22 and this is a duplicate, at least for my problem. Installing the gem via git worked like a charm :)

from shotgun.

The LoadError related issues should be fixed. Could those of you that were having issues on the first request give 0.9 a try and see if that fixes anything for you?

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We assume this is no longer an issue. Please file a new issue if it is. Thanks.

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