我正在尝试在heroku上部署redmine。尝试 rake db:migrate 时出现以下错误：
[desktop:~/redmine-2.3]$heroku run rake db:migrate
Running `rake db:migrate` attached to terminal... up, run.2102
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
Plugins in vendor/plugins (/app/vendor/plugins) are no longer allowed. Please, put your Redmine plugins in the `plugins` directory at the root of your Redmine directory (/app/plugins)
Connecting to database specified by DATABASE_URL
rake aborted!
Please install the postgresql adapter: `gem install activerecord-postgresql-adapter` (cannot load such file -- java)
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-jdbc-adapter-1.2.9/lib/arjdbc/jdbc/java.rb:1:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-jdbc-adapter-1.2.9/lib/arjdbc/jdbc/adapter.rb:8:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-jdbc-adapter-1.2.9/lib/arjdbc/jdbc.rb:1:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-jdbc-adapter-1.2.9/lib/arjdbc/postgresql.rb:1:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-jdbc-adapter-1.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:1:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:50:in `resolve_hash_connection'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:41:in `resolve_string_connection'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:27:in `spec'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:130:in `establish_connection'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/railtie.rb:82:in `block (2 levels) in <class:Railtie>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-3.2.13/lib/active_record/base.rb:720:in `<top (required)>'
/app/lib/plugins/acts_as_activity_provider/init.rb:2:in `block in <top (required)>'
/app/config/initializers/00-core_plugins.rb:12:in `eval'
/app/config/initializers/00-core_plugins.rb:12:in `block in <top (required)>'
/app/config/initializers/00-core_plugins.rb:2:in `each'
/app/config/initializers/00-core_plugins.rb:2:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:245:in `load'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:245:in `block in load'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:245:in `load'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/engine.rb:588:in `block (2 levels) in <class:Engine>'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/engine.rb:587:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/engine.rb:587:in `block in <class:Engine>'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `instance_exec'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `run'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/initializable.rb:55:in `block in run_initializers'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `run_initializers'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application.rb:136:in `initialize!'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
/app/config/environment.rb:14:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application.rb:103:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application.rb:103:in `require_environment!'
/app/vendor/bundle/ruby/2.0.0/gems/railties-3.2.13/lib/rails/application.rb:297:in `block (2 levels) in initialize_tasks'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:205:in `block in invoke_prerequisites'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:203:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:203:in `invoke_prerequisites'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:183:in `block in invoke_with_call_chain'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:143:in `invoke_task'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `block (2 levels) in top_level'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `block in top_level'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:110:in `run_with_threads'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:95:in `top_level'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:73:in `block in run'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:160:in `standard_exception_handling'
/app/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:70:in `run'
Tasks: TOP => db:migrate => environment
(See full trace by running task with --trace)
尽管我已经安装了它，但它说要安装 postgresql 适配器。你能告诉我是什么问题吗
> [desktop:~/redmine-2.3]$git push heroku master Counting objects: 7,
> done. Delta compression using up to 8 threads. Compressing objects:
> 100% (4/4), done. Writing objects: 100% (4/4), 397 bytes, done. Total
> 4 (delta 3), reused 0 (delta 0)
>
> -----> Ruby/Rails app detected
> -----> Using Ruby version: ruby-2.0.0
> -----> Installing dependencies using Bundler version 1.3.2
> Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment
> Using rake (10.0.4)
> Using i18n (0.6.1)
> Using multi_json (1.7.6)
> Using activesupport (3.2.13)
> Using builder (3.0.0)
> Using activemodel (3.2.13)
> Using erubis (2.7.0)
> Using journey (1.0.4)
> Using rack (1.4.5)
> Using rack-cache (1.2)
> Using rack-test (0.6.2)
> Using hike (1.2.2)
> Using tilt (1.4.1)
> Using sprockets (2.2.2)
> Using actionpack (3.2.13)
> Using mime-types (1.23)
> Using polyglot (0.3.3)
> Using treetop (1.4.14)
> Using mail (2.5.4)
> Using actionmailer (3.2.13)
> Using arel (3.0.2)
> Using tzinfo (0.3.37)
> Using activerecord (3.2.13)
> Using activerecord-jdbc-adapter (1.2.9)
> Using jdbc-postgres (9.2.1002.1)
> Using activerecord-jdbcpostgresql-adapter (1.2.9)
> Using pg (0.15.1)
> Using activerecord-postgresql-adapter (0.0.1)
> Using activeresource (3.2.13)
> Using coderay (1.0.9)
> Using rack-ssl (1.3.3)
> Using json (1.8.0)
> Using rdoc (3.12.2)
> Using thor (0.18.1)
> Using railties (3.2.13)
> Using jquery-rails (2.0.3)
> Using net-ldap (0.3.1)
> Using ruby-openid (2.1.8)
> Using rack-openid (1.3.1)
> Using bundler (1.3.2)
> Using rails (3.2.13)
> Using rest-client (1.6.7)
> Using rmagick (2.13.2)
> Using sequel (3.20.0)
> Using sinatra (1.0)
> Using taps (0.3.24)
> Your bundle is complete! It was installed into ./vendor/bundle
> Cleaning up the bundler cache.
> -----> Writing config/database.yml to read from DATABASE_URL
> -----> Preparing app for Rails asset pipeline
> Running: rake assets:precompile
> Asset precompilation completed (1.79s)
> -----> WARNINGS:
> you have not declared a Ruby version in your Gemfile.
> To set your Ruby version add this line to your Gemfile:"
> ruby '2.0.0'"
> # See https://devcenter.heroku.com/articles/ruby-versions for more information."
> -----> Rails plugin injection
> Injecting rails_log_stdout
> Injecting rails3_serve_static_assets
> -----> Discovering process types
> Procfile declares types -> (none)
> Default types for Ruby/Rails -> console, rake, web, worker
>
> -----> Compiled slug size: 38.9MB
> -----> Launching... done, v14