对于我的应用程序，我最近设置了 Stripe 和 Oauth。它在本地运行良好，但是当我尝试推送到 herokuapp（git push heroku master）时，会导致以下编译错误。我该如何解决这个问题？
-----> Preparing app for Rails asset pipeline
Running: rake assets:precompile
rake aborted!
uninitialized constant Log4r
/tmp/build_1s1esoyyqqqcw/config/environments/production.rb:87:in `block in <top (required)>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:24:in `class_eval'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:24:in `configure'
/tmp/build_1s1esoyyqqqcw/config/environments/production.rb:1:in `<top (required)>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/engine.rb:571:in `block in <class:Engine>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `instance_exec'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `run'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/initializable.rb:55:in `block in run_initializers'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `run_initializers'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/application.rb:136:in `initialize!'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:95:in `block (2 levels) in <top (required)>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:205:in `block in invoke_prerequisites'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:203:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:203:in `invoke_prerequisites'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:183:in `block in invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:60:in `block (3 levels) in <top (required)>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:23:in `invoke_or_reboot_rake_task'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:143:in `invoke_task'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:101:in `block (2 levels) in top_level'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:101:in `each'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:101:in `block in top_level'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:110:in `run_with_threads'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:95:in `top_level'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:73:in `block in run'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:160:in `standard_exception_handling'
/tmp/build_1s1esoyyqqqcw/vendor/bundle/ruby/1.9.1/gems/rake-10.0.4/lib/rake/application.rb:70:in `run'
Tasks: TOP => assets:precompile:primary => assets:environment
(See full trace by running task with --trace)
Precompiling assets failed, enabling runtime asset compilation
我不确定以下项目是否重要或影响它。
生产.rb
config.assets.precompile += %w( stripe_form.js )
Rails.logger = Logger.new(STDOUT)
Rails.logger = Log4r::Logger.new("Application Log")