大佬教程收集整理的这篇文章主要介绍了ruby-on-rails – Redis尝试连接到Heroku上的localhost而不是REDIS_URL，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
redis::CAnnotConnectError: Error connecTing to redis on 127.0.0.1:6379
它似乎尝试连接到本地主机.我在Heroku上都有一个redis_URL和redis_PROVIDER环境变量.这就是我的redis.rb如何：
if Rails.env.production? uri = URI.parse(ENV["redis_URL"]) else uri = URI.parse("redis://localhost:6379") end Resque.redis = redis.new(:host => uri.host,:port => uri.port,:password => uri.password)
这是我的Procfile：
web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb worker: env TERM_CHILD=1 bundle exec rake environment resque:work QUEUE=* COUNT=1
任何想法为什么它不工作？即使我更改redis.rb,所以它只有redis_URL作为url,它给出相同的错误.
更新：添加错误跟踪：
remote: redis::CAnnotConnectError: Error connecTing to redis on 127.0.0.1:6379 (Errno::ECONNREFUSED) remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:345:in `rescue in establish_connection' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:331:in `establish_connection' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:101:in `block in connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:293:in `with_reconnect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:100:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:364:in `ensure_connected' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:221:in `block in process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:306:in `logging' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:220:in `process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:120:in `call' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:351:in `block in time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `block in synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:350:in `time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:435:in `call_with_namespace' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:321:in `method_missing' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:100:in `redis_time_available?' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:15:in `initialize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `new' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `redis=' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-web-0.0.9/config/initializers/resque_config.rb:4:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `block in load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:648:in `block in load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/notifications.rb:166:in `instrument' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:647:in `load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:612:in `block (2 levels) in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `block in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `instance_exec' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `run' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:55:in `block in run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:54:in `run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:352:in `initialize!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/config/environment.rb:5:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `block in require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:328:in `require_environment!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:448:in `block in run_tasks_blocks' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>' remote: Errno::ECONNREFUSED: Connection refused - connect(2) for 127.0.0.1:6379 remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:206:in `rescue in connect_addrinfo' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:198:in `connect_addrinfo' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:239:in `block in connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `each_with_index' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:313:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:336:in `establish_connection' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:101:in `block in connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:293:in `with_reconnect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:100:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:364:in `ensure_connected' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:221:in `block in process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:306:in `logging' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:220:in `process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:120:in `call' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:351:in `block in time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `block in synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:350:in `time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:435:in `call_with_namespace' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:321:in `method_missing' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:100:in `redis_time_available?' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:15:in `initialize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `new' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `redis=' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-web-0.0.9/config/initializers/resque_config.rb:4:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `block in load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:648:in `block in load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/notifications.rb:166:in `instrument' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:647:in `load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:612:in `block (2 levels) in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `block in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `instance_exec' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `run' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:55:in `block in run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:54:in `run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:352:in `initialize!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/config/environment.rb:5:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `block in require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:328:in `require_environment!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:448:in `block in run_tasks_blocks' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>' remote: IO::EINPROGRESSWaitWritable: Operation now in progress - connect(2) would block remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:199:in `connect_addrinfo' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:239:in `block in connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `each_with_index' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:237:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/connection/ruby.rb:313:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:336:in `establish_connection' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:101:in `block in connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:293:in `with_reconnect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:100:in `connect' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:364:in `ensure_connected' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:221:in `block in process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:306:in `logging' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:220:in `process' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis/client.rb:120:in `call' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:351:in `block in time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `block in synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:58:in `synchronize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-3.3.3/lib/redis.rb:350:in `time' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:435:in `call_with_namespace' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/redis-namespace-1.5.3/lib/redis/namespace.rb:321:in `method_missing' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:100:in `redis_time_available?' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque/data_store.rb:15:in `initialize' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `new' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-1.27.2/lib/resque.rb:125:in `redis=' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-web-0.0.9/config/initializers/resque_config.rb:4:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `block in load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:287:in `load' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:648:in `block in load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/notifications.rb:166:in `instrument' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:647:in `load_config_initializer' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:612:in `block (2 levels) in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/ENGIne.rb:611:in `block in <class:ENGIne>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `instance_exec' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `run' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:55:in `block in run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:54:in `run_initializers' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:352:in `initialize!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/config/environment.rb:5:in `<top (required)>' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `block in require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:328:in `require_environment!' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:448:in `block in run_tasks_blocks' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define' remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>' remote: Tasks: TOP => environment remote: (See full trace by running task with --tracE) remote: ! remote: ! Precompiling assets failed. remote: ! Attempted to access a nonexistent database: remote: ! https://devcenter.heroku.com/articles/pre-provision-database remote: ! remote: ! Push rejected,failed to compile Ruby app. remote: remote: ! Push failed remote: Verifying deploy.... remote: remote: ! Push rejected to BACkbone-app-staging. remote: To git@heroku.com:BACkbone-app-staging.git ! [remote rejected] rails5 -> master (pre-receive hook declined) error: failed to push some refs to 'git@heroku.com:BACkbone-app-staging.git'
>在初始化程序运行之前是否设置ENV [‘redis_URL’]？例如,也许你有一个.env文件检查git是否覆盖了Heroku变量？
>你说这段代码来自redis.rb.你还有一个config / initializers / resque.rb吗？ config / resque.yml怎么办？任何一个可能也试图打开一个redis连接. (如果您可以发布错误的整个堆栈跟踪,您可以确认或排除错误.)或者您是否使用redis进行除Resque之外的任何其他操作？
您还可以进行一些printf调试,并更改您的初始化程序来说：
if Rails.env.production? puts "production: #{ENV['redis_URL']}" uri = URI.parse(ENV["redis_URL"]) else puts "not production" uri = URI.parse("redis://localhost:6379") end
这应该可以帮助你澄清发生了什么. (您可能需要使用Rails.logger.info而不是put.)
编辑：堆栈跟踪非常有帮助！果然,您自己的初始化程序根本就不在,但是还有其他代码试图加载自己的redis连接,这里：
remote: /tmp/build_329306a238b046dda86a54d29db48f4c/vendor/bundle/ruby/2.4.0/gems/resque-web-0.0.9/config/initializers/resque_config.rb:4:in `<top (required)>'
如果你look up that gem,你可以看到它是这样做的：
require 'resque' config = ENV.fetch("RAILS_RESQUE_redis","127.0.0.1:6379") Resque.redis = config
所以我认为答案是设置rAISS_RESQUE_redis除了redis_URl.您可以使用Heroku config：set命令来做到这一点.
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