Forum: JRuby db:migrate error

Hi,

I am getting below error while running rake command.

rake aborted!
no such file to load -- /app/helpers/excel_helper

D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:156:in `require'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:156:in `require'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:521:in `new_constants_in'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:156:in `require'
./db/migrate//20110113033318_add_checklist_data.rb:1
./db/migrate//20110113033318_add_checklist_data.rb:145:in `load'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:145:in `load_with_new_constant_marking'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:521:in `new_constants_in'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:145:in `load_with_new_constant_marking'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:373:in `load_migration'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:369:in `migration'
D:1:in `migrate'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:491:in `migrate'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:565:in `call'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:565:in `ddl_transaction'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/connection_adapters/abstract/database_statements.rb:136:in
`transaction'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/transactions.rb:182:in `transaction'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:565:in `ddl_transaction'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:490:in `migrate'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:477:in `each'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:477:in `migrate'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:401:in `up'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record
/migration.rb:383:in `migrate'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/tasks/databases.rake
:112
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:205:in
 `call'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:205:in
 `execute'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:200:in
 `each'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:200:in
 `execute'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:158:in
 `invoke_with_call_chain'
D:/jruby/jruby-1.5.0/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:151:in
 `invoke_with_call_chain'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/task.rb:144:in
 `invoke'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:116:in `invoke_task'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:94:in `top_level'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:94:in `each'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:94:in `top_level'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:133:in `standard_exception_handling'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:88:in `top_level'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:66:in `run'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:133:in `standard_exception_handling'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb
:63:in `run'
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/bin/rake:33
D:/jruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/rake-0.9.2.2/bin/rake:19:in
`load'
D:\jruby\jruby-1.5.0\bin\rake:19
Tasks: TOP => db:migrate

please help me, do i am missing any support gem for this?.

Veerendra -

the error message says that a specific file is missing:

 app/helpers/excel_helper[.rb]

Is there any such file in your project?