After migrating to Bundler: ActionView::TemplateError (private method `gsub' called for nil:NilClass

I configured bundler for a Rails 2 app as I have done other times, but
this time I get:

Processing ApplicationController#index (for 127.0.0.1 at 2011-03-22
14:17:47) [GET]

ActionView::TemplateError (private method `gsub’ called for
nil:NilClass) on line #7 of rails/ruby/1.8/gems/actionpack-2.3.11/lib/
action_controller/templates/rescues/diagnostics.erb:
4: in <%=h request.parameters[‘controller’].humanize %>Controller<
% if request.parameters[‘action’] %>#<%=h request.parameters[‘action’]
%><% end %>
5: <% end %>
6:
7:

<%=h @exception.clean_message %>

8:
9: <%= render :file => @rescues_path[“rescues/_trace.erb”] %>
10:
rails/ruby/1.8/gems/activesupport-2.3.11/lib/active_support/

whiny_nil.rb:52:in method_missing' rails/ruby/1.8/gems/activesupport-2.3.11/lib/active_support/ core_ext/pathname/clean_within.rb:7:inclean_within’
rails/ruby/1.8/gems/activesupport-2.3.11/lib/active_support/
core_ext/exception.rb:12:in clean_message' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ templates/rescues/diagnostics.erb:7 rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/ renderable.rb:34:insend’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/
renderable.rb:34:in render' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/base.rb: 306:inwith_template’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/
renderable.rb:30:in render' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/template.rb: 205:inrender_template’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_view/base.rb:
265:in render' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ rescue.rb:134:inrescue_action_locally’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
rescue.rb:152:in rescue_action_without_handler' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ rescue.rb:74:inrescue_action’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
rescue.rb:162:in perform_action_without_flash' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ flash.rb:151:inperform_action’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
base.rb:532:in send' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ base.rb:532:inprocess_without_filters’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
filters.rb:606:in process' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ base.rb:391:inprocess’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
base.rb:386:in call' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ routing/route_set.rb:438:incall’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
dispatcher.rb:87:in dispatch' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ dispatcher.rb:121:in_call’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
dispatcher.rb:130:in build_middleware_stack' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ string_coercion.rb:25:incall’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
string_coercion.rb:25:in call' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ params_parser.rb:15:incall’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
session/abstract_store.rb:177:in call' rails/ruby/1.8/gems/activerecord-2.3.11/lib/active_record/ query_cache.rb:29:incall’
rails/ruby/1.8/gems/activerecord-2.3.11/lib/active_record/
connection_adapters/abstract/query_cache.rb:34:in cache' rails/ruby/1.8/gems/activerecord-2.3.11/lib/active_record/ query_cache.rb:9:incache’
rails/ruby/1.8/gems/activerecord-2.3.11/lib/active_record/
query_cache.rb:28:in call' rails/ruby/1.8/gems/activerecord-2.3.11/lib/active_record/ connection_adapters/abstract/connection_pool.rb:361:incall’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
failsafe.rb:26:in call' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ dispatcher.rb:114:incall’
rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/
reloader.rb:34:in run' rails/ruby/1.8/gems/actionpack-2.3.11/lib/action_controller/ dispatcher.rb:108:incall’
rails/ruby/1.8/gems/rails-2.3.11/lib/rails/rack/static.rb:31:in
call' rails/ruby/1.8/gems/rails-2.3.11/lib/rails/rack/log_tailer.rb: 17:incall’
/Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/
webrick/httpserver.rb:104:in service' /Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/ webrick/httpserver.rb:65:inrun’
/Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/
webrick/server.rb:173:in start_thread' /Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/ webrick/server.rb:162:instart’
/Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/
webrick/server.rb:162:in start_thread' /Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/ webrick/server.rb:95:instart’
/Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/
webrick/server.rb:92:in each' /Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/ webrick/server.rb:92:instart’
/Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/
webrick/server.rb:23:in start' /Users/riccardotacconi/.rvm/rubies/ree-1.8.7-2011.03/lib/ruby/1.8/ webrick/server.rb:82:instart’
rails/ruby/1.8/gems/rails-2.3.11/lib/commands/server.rb:111

On 24 March 2011 13:34, rtacconi [email protected] wrote:

% if request.parameters[‘action’] %>#<%=h request.parameters[‘action’]
%><% end %>
5: <% end %>
6:
7:

<%=h @exception.clean_message %>

Is @exception nil possibly?

Colin