IndexOutOfBoundsException

From stdout

Error during failsafe response: ActionView::Template::Error
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb:1:in `___sers_mbc__rbenv_versions_jruby_______preview__lib_ruby_gems_shared_gems_actionpack_______lib_action_dispatch_middleware_templates_rescues__request_and_response_erb__5260782_43834_0'
  org/jruby/RubyBasicObject.java:1673:in `__send__'
  org/jruby/RubyKernel.java:2064:in `send'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/template.rb:135:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:54:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/template.rb:127:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:59:in `_render_template'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:52:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:52:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:56:in `_render_template'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:26:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/haml-3.1.2/lib/haml/helpers/action_view_mods.rb:13:in `render_with_haml'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb:10:in `___sers_mbc__rbenv_versions_jruby_______preview__lib_ruby_gems_shared_gems_actionpack_______lib_action_dispatch_middleware_templates_rescues_diagnostics_erb__1657541956_43810_0'
  org/jruby/RubyBasicObject.java:1673:in `__send__'
  org/jruby/RubyKernel.java:2064:in `send'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/template.rb:135:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:54:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/template.rb:127:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:59:in `_render_template'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:52:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/activesupport-3.0.6/lib/active_support/notifications.rb:52:in `instrument'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:56:in `_render_template'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_view/render/rendering.rb:26:in `render'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/haml-3.1.2/lib/haml/helpers/action_view_mods.rb:13:in `render_with_haml'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/show_exceptions.rb:88:in `rescue_action_locally'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/show_exceptions.rb:68:in `render_exception'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/show_exceptions.rb:59:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/railties-3.0.6/lib/rails/rack/logger.rb:13:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/runtime.rb:17:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/static.rb:30:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/railties-3.0.6/lib/rails/application.rb:168:in `call'
  org/jruby/RubyBasicObject.java:1673:in `__send__'
  org/jruby/RubyKernel.java:2064:in `send'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/railties-3.0.6/lib/rails/application.rb:77:in `method_missing'
  /Users/mbc/webpop/primordial-soup/amoeba/ruby/middleware/site_finder.rb:20:in `call'
  /Users/mbc/webpop/primordial-soup/amoeba/ruby/middleware/image_server.rb:13:in `call'
  /Users/mbc/webpop/primordial-soup/amoeba/ruby/middleware/stat_trek.rb:26:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/conditionalget.rb:25:in `call'
  /Users/mbc/webpop/primordial-soup/amoeba/ruby/middleware/logger.rb:19:in `call'
  /Users/mbc/webpop/primordial-soup/lib/amoeba/health_check.rb:12:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/lint.rb:48:in `_call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/lint.rb:36:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/showexceptions.rb:24:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/commonlogger.rb:18:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/content_length.rb:13:in `call'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/rack-1.2.5/lib/rack/handler/webrick.rb:52:in `service'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/1.9/webrick/httpserver.rb:138:in `service'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/1.9/webrick/httpserver.rb:94:in `run'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/1.9/webrick/httpserver.rb:72:in `run'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/1.9/webrick/server.rb:191:in `start_thread'
  /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/1.9/webrick/server.rb:181:in `start_thread'

From the log

Started GET "/projects/very-simple-example/aside?authenticity_token=d0bHDFkOOdqKsg3X3FRDfEH0VdyDMPr57l1UvXyZeV8%3D&_=1347926978794" for 127.0.0.1 at 2012-09-18 02:09:38 +0200
MONGODB webpop-development['sessions'].find({"_id"=>"caef245dff1fbe37208d58248238113a"})
[Barista] Compiling all scripts for barista
[Barista] Compiling all coffeescripts
MONGODB webpop-development['sessions'].find({"_id"=>"caef245dff1fbe37208d58248238113a"})
[Barista] Compiling all scripts for barista
[Barista] Compiling all coffeescripts
[Barista] Copying all javascripts
[Barista] Copying all javascripts
  Processing by ProjectsController#aside as HTML
  Parameters: {"authenticity_token"=>"d0bHDFkOOdqKsg3X3FRDfEH0VdyDMPr57l1UvXyZeV8=", "_"=>"1347926978794", "id"=>"very-simple-example"}
  Processing by ProjectsController#dashboard as HTML
  Parameters: {"authenticity_token"=>"d0bHDFkOOdqKsg3X3FRDfEH0VdyDMPr57l1UvXyZeV8=", "_"=>"1347926978793", "id"=>"very-simple-example"}
Completed   in 5ms
Completed   in 5ms

Java::JavaLang::IndexOutOfBoundsException ():
  


Java::JavaLang::IndexOutOfBoundsException ():
  

Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/_trace.erb (4.0ms)
Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/_trace.erb (5.0ms)
Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (21.0ms)
Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (35.0ms)
Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (16.0ms)
Rendered /Users/mbc/.rbenv/versions/jruby-1.7.0-preview2/lib/ruby/gems/shared/gems/actionpack-3.0.6/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (36.0ms)