# Problem with Rails 2.2 and Rake db:migrate **URL:** \ **Category:** Rails\ **Created:** [November 5, 2008, 4:36pm UTC](https://www.ruby-forum.com/t/problem-with-rails-2-2-and-rake-db-migrate/152610 "2008-11-05T16:36:03Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![SSSS\_oSSSS\_Stm](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/5daacb/32.png) [@SSSS\_oSSSS\_Stm](https://www.ruby-forum.com/u/SSSS_oSSSS_Stm)\ **Post date:** [November 5, 2008, 4:36pm UTC](https://www.ruby-forum.com/t/problem-with-rails-2-2-and-rake-db-migrate/152610/1 "2008-11-05T16:36:03Z")
Hello, I have a problem when I execute rake db:migrate (in /Users/miguelati/Proyectos/Proyectos Ruby/foro) rake aborted! can’t convert Fixnum into String With trace: \*\* Invoke db:migrate (first\_time) \*\* Invoke environment (first\_time) \*\* Execute environment \*\* Execute db:migrate rake aborted! can’t convert Fixnum into String /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/mysql\_adapter.rb:292:in `change_user' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ connection_adapters/mysql_adapter.rb:292:in`reset!’ /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active\_support/callbacks.rb:178:in `send' /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active_support/callbacks.rb:178:in`evaluate\_method’ /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active\_support/callbacks.rb:166:in `call' /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active_support/callbacks.rb:90:in`run’ /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active\_support/callbacks.rb:90:in `each' /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active_support/callbacks.rb:90:in`send’ /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active\_support/callbacks.rb:90:in `run' /Users/miguelati/.gem/ruby/1.8/gems/activesupport-2.2.0/lib/ active_support/callbacks.rb:277:in`run\_callbacks’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_pool.rb:249:in `checkout_and_verify' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ connection_adapters/abstract/connection_pool.rb:239:in`checkout\_new\_connection’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_pool.rb:180:in `checkout' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ connection_adapters/abstract/connection_pool.rb:176:in`loop’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_pool.rb:176:in `checkout' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ 1.8/monitor.rb:242:in`synchronize’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_pool.rb:175:in `checkout' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ connection_adapters/abstract/connection_pool.rb:90:in`connection’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_pool.rb:321:in `retrieve_connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ connection_adapters/abstract/connection_specification.rb:121:in`retrieve\_connection’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ connection\_adapters/abstract/connection\_specification.rb:113:in `connection' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ migration.rb:429:in`initialize’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ migration.rb:394:in `new' /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active_record/ migration.rb:394:in`up’ /Library/Ruby/Gems/1.8/gems/activerecord-2.2.0/lib/active\_record/ migration.rb:377:in `migrate' /Library/Ruby/Gems/1.8/gems/rails-2.2.0/lib/tasks/databases.rake:111 /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:617:in`call’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `execute' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:612:in`each’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `execute' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:578:in`invoke\_with\_call\_chain’ /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ 1.8/monitor.rb:242:in `synchronize' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:571:in`invoke\_with\_call\_chain’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `invoke' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in`invoke\_task’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in`each’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in`standard\_exception\_handling’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `top_level' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in`run’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling' /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in`run’ /Users/miguelati/.gem/ruby/1.8/gems/rake-0.8.3/bin/rake:31 /usr/bin/rake:19:in `load’ /usr/bin/rake:19 This error is only with 2.2, with 2.1.2 works fine.