"uninitialized persistent encoding" using rvm, ruby ​​1.9.2, bundler and passenger

Here I am here and I appeal to all of you for help in this problem f * # $ ^.

I am running on a private server with root privileges on Dreamhost. Here is a bit about my environment and versions.

$ `which ruby` -v
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux]
$ `which bundle` -v
Bundler version 1.0.15
$ `which rails` -v
Rails 3.0.9

Besides this error, rails application works fine without problems. However, when I try to change the encoding of a string using a method encode, it:

NoMethodError: undefined method `encode' for "foobar":String

encode to be determined , but it is not! Encodingfound if I try in irb:

$ irb
ruby-1.9.2-p180 :001 > Encoding
 => Encoding
ruby-1.9.2-p180 :002 > "foobar".encode('utf-8')
 => "foobar"

But if I try to use the rails console through bundle exec, Encodingit will not be found:

$ bundle exec rails c staging
Loading staging environment (Rails 3.0.9)
ruby-1.9.2-p180 :001 > Encoding
NameError: uninitialized constant Encoding
    from /[REDACTED]/shared/bundle/ruby/1.8/gems/aws-s3-0.6.2/lib/aws/s3/extensions.rb:206:in `const_missing'
    from (irb):1
ruby-1.9.2-p180 :002 > "foobar".encode('utf-8')
    NoMethodError: undefined method `encode' for "foobar":String

Obviously, the installation does not load something correctly, but I'm not sure where to look for it. What am I missing here?

UPDATE 6/19/2011

, , 1.8. , bundle exec , ruby ​​ rails:

$ bundle exec which ruby
/path/to/.rvm/rubies/ruby-1.9.2-p180/bin/ruby
$ bundle exec `which ruby` -v
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux]
$ bundle exec which rails
/path/to/shared/bundle/ruby/1.8/bin/rails
$ bundle exec `which rails` -v
Rails 3.0.9

, - ... , .

6/26/2011

$LOAD_PATH...

6/26/2011 ()

Gemfile.lock pp ENV... ENV , GEM_PATH . staging.rb :

GEM_HOME = "/home/[REDACTED]/.rvm/gems/ruby-1.9.2-p180@[REDACTED]"
GEM_PATH = "/home/[REDACTED]/.rvm/gems/ruby-1.9.2-p180@[REDACTED]:/home/[REDACTED]/.rvm/gems/ruby-1.9.2-p180@global"

... , , . GEM_HOME GEM_PATH

6/27/2011

.bundle/config ...

+5
1

( GEM_HOME ),

GEM_HOME , , PATH .

$ export PATH=[your current path but with rvm ruby 1.9 at the front]

$ bundle install

,

$ export GEM_HOME=[your ruby 1.9 gem home]

$ bundle install

: RVM, bundler gemset, ruby ​​

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