当我尝试在Cedar堆栈上将SQLite3推送到Postgresql（通过Taps）时，为什么会出现这个错误？
我对Heroku开发中心做了很多研究，现在我希望社区能提供帮助。这是我的问题。我不能把我的数据库推到Heroku Cedar堆栈。我正在尝试通过Taps gem将sqlite数据库迁移到postgresql。当我准备部署时，我运行：当我尝试在Cedar堆栈上将SQLite3推送到Postgresql（通过Taps）时，为什么会出现这个错误？,postgresql,heroku,ruby-on-rails-3.1,taps,Postgresql,Heroku,Ruby On Rails 3.1,Taps,我对Heroku开发中心做了很多研究，现在我希望社区能提供帮助。这是我的问题。我不能把我的数据库推到Heroku Cedar堆栈。我正在尝试通过Taps gem将sqlite数据库迁移到postgresql。当我准备部署时，我运行： bundle install --without production heroku run db:push 我得到以下结果： Running db:seed attached to terminal... up, run.17 sh: db:seed: not
bundle install --without production
heroku run db:push
Running db:seed attached to terminal... up, run.17
sh: db:seed: not found
heroku run rake db:migrate
heroku run rake db:migrate
Running rake db:migrate attached to terminal... up, run.18
rake aborted!
No Rakefile found (looking for: rakefile, Rakefile, rakefile.rb, Rakefile.rb)
/usr/local/lib/ruby/1.9.1/rake.rb:2367:in `raw_load_rakefile'
/usr/local/lib/ruby/1.9.1/rake.rb:2007:in `block in load_rakefile'
/usr/local/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling'
/usr/local/lib/ruby/1.9.1/rake.rb:2006:in `load_rakefile'
/usr/local/lib/ruby/1.9.1/rake.rb:1991:in `run'
/usr/local/bin/rake:31:in `<main>'
Sending schema
Schema: 100% |==========================================| Time: 00:00:07
Sending indexes
schema_migrat: 100% |==========================================| Time: 00:00:00
Sending data
4 tables, 6 records
schema_migrat: 0% | | ETA: --:--:--
Saving session to push_201111070749.dat..
!!! Caught Server Exception
HTTP CODE: 500
Taps Server Error: LoadError: no such file to load -- sequel/adapters/
[“/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:249:in
require”“，/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/gems/sequel-3.20.0/lib/sequel/core.0/core.249:inin/u-require'”，/app/.app/.bundle/gems/gems/sequel/ruby/1.9.1.0/sequel/3.20.0/core/rb:72:inin，“/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:69:incheck_requirement_thread'”、/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/core.rb:249:in
tsk_require'”、/app/.bundle/gems/ruby/1.9.1.1.9.1/gems/sequel-3.20.0/lib/sequel/database/core:25:in class>/app/.bundle/gems/ruby/1.9.1/gems/sequel-3.20.0/lib/sequel/database/connecting.rb:54:in connect'、/app/lib/taps/db_session.rb:14:inblock-in'”/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:865:inblock-in-in-route'”/app/.bundle/gems/gems/ruby/1.9.1/lib/sinatra/base.rb:521:inroute_eval'，“/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:500:in/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:497:ineach”“，/app/.bundle/gems/ruby/1.9.1/lib/sinatra/base.rb:indispatch！”，“/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:411:in实例”/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:566:incatch'、/app/.bundle/gems/gems/ruby/1.9.1/lib/sinatra/base.rb:566:incall！”，“/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:399:incall'”/app/.bundle/gems/ruby/1.9.1/gems/sinatra-1.0/lib/sinatra/base.rb:979:inhome/lib/lu/lu/u>/home/heroku_rack/lib/last_access.rb:15:inblock-in调用“，/app/.bundle/gems/ruby/1.9.1/gems/rack-1.2.1/lib/rack/urlmap.rb:41:incall'”/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:76:in/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:inrun\u machine'”、/app/.bundle/gems/ruby/1.9.1/gems/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:instart'”/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/lib/thin/server.rb:156:instart'、/app/.bundle/gems/gems/ruby/1.9.1.2.7/lib/thin/runner.rb:177:inrun！'，“/app/.bundle/gems/ruby/1.9.1/gems/thin-1.2.7/bin/thin:6:inload'”，“/usr/ruby1.9.2/bin/thin:19:inheroku db:push
git push heroku branchname:master
git push heroku branchnamegit push heroku branchname:master
heroku create
git push heroku master