Update.
I deleted the source code and re-checked it from SVN. Magically,
script/console started behaving. I have no explanation.
However, now it seems mongrel and webrick are experiencing the same
issue. Mongrel won''t come up, it just stalls after "** Starting
Rails
with development environment..." A Ctrl-C kills it.
Webrick, however, when Ctrl-C''d, produces the same stack trace as seen
below.
Tony Fromky wrote:> After weeks of working fine, yesterday script/console started hanging
> upon startup, right after printing "Loading Development
Environment."
> I waited several minutes and control-C''d, and got this:
>
> ^C/usr/local/lib/ruby/1.8/singleton.rb:150:in `sleep'': Interrupt
> from /usr/local/lib/ruby/1.8/singleton.rb:150:in
`_instantiate?''
> from /usr/local/lib/ruby/1.8/singleton.rb:106:in
`instance''
> from
>
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/observer.rb:38:in
> `instantiate_observers''
> from
>
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/observer.rb:36:in
> `each''
> from
>
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/observer.rb:36:in
> `instantiate_observers''
> from
> /usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/initializer.rb:212:in
> `load_observers''
> from
> /usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/initializer.rb:108:in
> `process''
> from
> /usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/initializer.rb:43:in
> `send''
> ... 51 levels...
> from /usr/local/lib/ruby/1.8/irb/init.rb:250:in
`load_modules''
> from /usr/local/lib/ruby/1.8/irb/init.rb:21:in `setup''
> from /usr/local/lib/ruby/1.8/irb.rb:54:in `start''
> from /usr/local/bin/irb:13
>
> I looked in environment.rb and there''s only one observer. I
checked it
> against SVN and it hasn''t changed in weeks.
>
> I did some debugging and found that the hang is related to this line in
> inflector#constantize:
>
> Object.module_eval("::#{$1}", __FILE__, __LINE__)
>
> [code]
> # File vendor/rails/activesupport/lib/active_support/inflector.rb,
> line 245
> 245: def constantize(camel_cased_word)
> 246: unless /\A(?:::)?([A-Z]\w*(?:::[A-Z]\w*)*)\z/ =~
> camel_cased_word
> 247: raise NameError, "#{camel_cased_word.inspect} is not a
valid
> constant name!"
> 248: end
> 249:
> 250: Object.module_eval("::#{$1}", __FILE__, __LINE__)
> 251: end
> [/code]
>
> What does this line do? The class name being observed is "User"
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