ruby script/rails server fail -


i new ruby world. want run existing rails project, following error:

$ruby script/rails server /users/apple/.rvm/gems/ruby-1.9.3-p194/gems/json-1.7.0/ext/json/ext/json/ext/parser.bundle: undefined class/module encoding (argumenterror)     /users/apple/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:251:in `require'     /users/apple/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:236:in `load_dependency'

should install other packages or version of rails? if write small project using rails new xxx $ruby script/rails server works.

btw: in mac.

thank you!

the correct commands in different versions of rails are:

rails 2.3

ruby script/server

rails 3

rails server #  or ruby script/rails server

it possible existing project rails 2.3 , environment rails 3.0.


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