Rails 3.1 app can't connect with config.cache_classes = true -

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i'm having odd issue in rails 3.1 app app starts without error, can't connect when have config.cache_classes = true.

i have existing app upgrading 3.0.10 3.1.5, although i'm not 100% convinced what's causing issue. did make few other changes gems before deploying, shouldn't have done, working fine in dev, wasn't concerned.

i've narrowed issue down cache_classes, after being confused day. issue there 0 errors, don't know go this.

edit 1 hint well. when try kill rails server cntrl-c gives "sinatra has ended set" thing, restarts itself. can kill kill -9. it's fine config.cache_class = false.

here gem listing...

gems included bundle:

* redcloth (4.2.9) * actionmailer (3.1.5) * actionpack (3.1.5) * activemodel (3.1.5) * activerecord (3.1.5) * activerecord-import (0.2.9) * activeresource (3.1.5) * activesupport (3.1.5) * acts_as_reportable (1.1.1) * addressable (2.2.6) * ancestry (1.2.4) * arel (2.2.3) * aws-sdk (1.3.8) * bbenezech-nested_form (0.0.6) * bcrypt-ruby (3.0.1) * bootstrap-sass (2.0.3.1) * builder (3.0.0) * bundler (1.0.15) * cancan (1.6.5) * chronic (0.6.5) * cocaine (0.2.1) * coffee-rails (3.1.1) * coffee-script (2.2.0) * coffee-script-source (1.3.3) * color (1.4.1) * css_parser (1.2.6) * daemons (1.1.4) * date_validator (0.6.2) * devise (1.4.9) * diff-lcs (1.1.3) * em-websocket (0.3.6) * erubis (2.7.0) * eventmachine (0.12.10) * execjs (1.4.0) * faker (0.3.1) * faraday (0.6.1) * fastercsv (1.5.4) * formtastic (1.2.4) * geokit (1.6.5) * geokit-rails3 (0.1.5) * god (0.11.0) * haml (3.1.6) * has_scope (0.5.1) * hashie (1.2.0) * hike (1.2.1) * hoe (2.12.4) * hpricot (0.8.6) * httparty (0.8.1) * i18n (0.6.0) * inherited_resources (1.2.2) * jquery-rails (1.0.17) * jquery-ui-rails (0.2.2) * json (1.5.4) * kaminari (0.13.0) * mail (2.3.3) * mailfactory (1.4.0) * mime-types (1.18) * mini_fb (1.1.7) * multi_json (1.0.3) * multi_xml (0.2.2) * multipart-post (1.1.3) * mysql (2.8.1) * nokogiri (1.5.0) * oa-core (0.2.5) * oa-oauth (0.2.5) * oauth (0.4.5) * oauth2 (0.4.1) * orm_adapter (0.0.7) * paperclip (2.7.0) * pdf-writer (1.1.8) * polyglot (0.3.3) * rack (1.3.6) * rack-cache (1.2) * rack-mount (0.8.3) * rack-pjax (0.5.9) * rack-ssl (1.3.2) * rack-test (0.6.1) * rails (3.1.5) * rails-dev-boost (0.1.1 a995f0a) * rails_admin (0.0.3) * rails_autolink (1.0.9) * railties (3.1.5) * rake (0.8.7) * rdoc (3.12) * redis (2.2.2) * redis-namespace (1.0.3) * remotipart (1.0.2) * responders (0.6.5) * resque (1.17.1) * resque-async-method (1.0.0) * resque-async_deliver (1.2.0) * resque-retry (0.1.0) * resque-scheduler (1.9.9) * rest-client (1.6.7) * roadie (1.1.3) * rspec (2.8.0) * rspec-core (2.8.0) * rspec-expectations (2.8.0) * rspec-mocks (2.8.0) * rspec-rails (2.8.1) * rubyzip (0.9.5) * rufus-scheduler (2.0.12) * ruport (1.6.3) * ruport-util (0.14.0) * sass (3.1.19) * sass-rails (3.1.6) * simple_enum (1.3.2) * sinatra (1.2.7) * sprockets (2.0.4) * thor (0.14.6) * tilt (1.3.3) * transaction-simple (1.4.0) * treetop (1.4.10) * tzinfo (0.3.33) * uglifier (1.2.4) * uuidtools (2.1.2) * vegas (0.1.8) * warden (1.0.6) * webrat (0.7.1) * whenever (0.7.0) * will_paginate (3.0.pre2)

any ideas? can app run in production, it's slow w/ config.cache_class = false


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