随机显示NoMethodError:未定义的方法`empty?’ 0:Fixnum

它在我的本地机器上工作正常,但在Heroku的rails_admin中使用Puma Web服务器发出以下错误。

这是我使用enumerize的方式

enumerize :date_type, in: { last_date: 0, begin_date: 1 }, default: :last_date, predicates: { prefix: true, only: :last_date }, i18n_scope: 'date_type' 

并且它给出了以下错误,我从我的滚动条粘贴了错误。 刷新页面几次以某种方式工作,它显示模型页面就好了。 但大部分时间都会出错。 此外,使用数组而不是哈希来定义date_type,即in: [:last_date, :begin_date]并且在rails_admin的列表视图中没有date_type似乎解决了这个问题,否则我收到以下错误。

 NoMethodError: undefined method `empty?' for 0:Fixnum - 141 non-project frames 1 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/base.rb" line 98 in block in _set_default_value_for_enumerized_attributes 2 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/attribute_map.rb" line 23 in block in each 3 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/attribute_map.rb" line 22 in each_pair 4 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/attribute_map.rb" line 22 in each 5 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/base.rb" line 87 in _set_default_value_for_enumerized_attributes 6 File "/app/vendor/bundle/ruby/2.3.0/gems/enumerize-2.0.1/lib/enumerize/base.rb" line 52 in initialize 7 File "/app/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.8/lib/active_record/inheritance.rb" line 61 in new 8 File "/app/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.8/lib/active_record/inheritance.rb" line 61 in new 9 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/model.rb" line 60 in block (2 levels) in  10 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/model.rb" line 60 in each 11 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/model.rb" line 60 in detect 12 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/model.rb" line 60 in block in  13 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/configurable.rb" line 66 in instance_eval 14 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/configurable.rb" line 66 in block in register_instance_option 15 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/lib/rails_admin/config/lazy_model.rb" line 60 in method_missing 16 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/app/helpers/rails_admin/application_helper.rb" line 69 in wording_for 17 File "/app/vendor/bundle/ruby/2.3.0/gems/rails_admin-1.1.1/app/controllers/rails_admin/main_controller.rb" line 20 in index 18 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/implicit_render.rb" line 4 in send_action 19 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/abstract_controller/base.rb" line 198 in process_action 20 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/rendering.rb" line 10 in process_action 21 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/abstract_controller/callbacks.rb" line 20 in block in process_action 22 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 117 in call 23 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 555 in block (2 levels) in compile 24 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 505 in call 25 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 92 in __run_callbacks__ 26 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 778 in _run_process_action_callbacks 27 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 81 in run_callbacks 28 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/abstract_controller/callbacks.rb" line 19 in process_action 29 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/rescue.rb" line 29 in process_action 30 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/instrumentation.rb" line 32 in block in process_action 31 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/notifications.rb" line 164 in block in instrument 32 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/notifications/instrumenter.rb" line 20 in instrument 33 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/notifications.rb" line 164 in instrument 34 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/instrumentation.rb" line 30 in process_action 35 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/params_wrapper.rb" line 250 in process_action 36 File "/app/vendor/bundle/ruby/2.3.0/gems/searchkick-2.2.0/lib/searchkick/logging.rb" line 209 in process_action 37 File "/app/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.8/lib/active_record/railties/controller_runtime.rb" line 18 in process_action 38 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/abstract_controller/base.rb" line 137 in process 39 File "/app/vendor/bundle/ruby/2.3.0/gems/actionview-4.2.8/lib/action_view/rendering.rb" line 30 in process 40 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal.rb" line 196 in dispatch 41 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal/rack_delegation.rb" line 13 in dispatch 42 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_controller/metal.rb" line 237 in block in action 43 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/routing/route_set.rb" line 74 in dispatch 44 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/routing/route_set.rb" line 43 in serve 45 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 43 in block in serve 46 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 30 in each 47 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 30 in serve 48 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/routing/route_set.rb" line 817 in call 49 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/engine.rb" line 518 in call 50 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/railtie.rb" line 194 in public_send 51 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/railtie.rb" line 194 in method_missing 52 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/routing/mapper.rb" line 51 in serve 53 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 43 in block in serve 54 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 30 in each 55 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/journey/router.rb" line 30 in serve 56 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/routing/route_set.rb" line 817 in call 57 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 58 File "/app/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb" line 189 in call! 59 File "/app/vendor/bundle/ruby/2.3.0/gems/omniauth-1.6.1/lib/omniauth/strategy.rb" line 167 in call 60 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 61 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-pjax-1.0.0/lib/rack/pjax.rb" line 12 in call 62 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 63 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/flash.rb" line 260 in call 64 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 65 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/rack/agent_hooks.rb" line 30 in traced_call 66 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 67 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/rack/browser_monitoring.rb" line 32 in traced_call 68 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 69 File "/app/vendor/bundle/ruby/2.3.0/gems/warden-1.2.7/lib/warden/manager.rb" line 36 in block in call 70 File "/app/vendor/bundle/ruby/2.3.0/gems/warden-1.2.7/lib/warden/manager.rb" line 35 in catch 71 File "/app/vendor/bundle/ruby/2.3.0/gems/warden-1.2.7/lib/warden/manager.rb" line 35 in call 72 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 73 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/etag.rb" line 24 in call 74 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 75 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/conditionalget.rb" line 25 in call 76 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 77 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/head.rb" line 13 in call 78 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 79 File "/app/vendor/bundle/ruby/2.3.0/gems/remotipart-1.3.1/lib/remotipart/middleware.rb" line 32 in call 80 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 81 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/params_parser.rb" line 27 in call 82 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 83 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/flash.rb" line 260 in call 84 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 85 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/session/abstract/id.rb" line 225 in context 86 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/session/abstract/id.rb" line 220 in call 87 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 88 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/cookies.rb" line 560 in call 89 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 90 File "/app/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.8/lib/active_record/query_cache.rb" line 36 in call 91 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 92 File "/app/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.8/lib/active_record/connection_adapters/abstract/connection_pool.rb" line 653 in call 93 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 94 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/callbacks.rb" line 29 in block in call 95 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 88 in __run_callbacks__ 96 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 778 in _run_call_callbacks 97 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/callbacks.rb" line 81 in run_callbacks 98 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/callbacks.rb" line 27 in call 99 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 100 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/remote_ip.rb" line 78 in call 101 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 102 File "/app/vendor/bundle/ruby/2.3.0/gems/rollbar-2.14.1/lib/rollbar/middleware/rails/rollbar.rb" line 24 in block in call 103 File "/app/vendor/bundle/ruby/2.3.0/gems/rollbar-2.14.1/lib/rollbar.rb" line 145 in scoped 104 File "/app/vendor/bundle/ruby/2.3.0/gems/rollbar-2.14.1/lib/rollbar/middleware/rails/rollbar.rb" line 22 in call 105 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 106 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/debug_exceptions.rb" line 17 in call 107 File "/app/vendor/bundle/ruby/2.3.0/gems/rollbar-2.14.1/lib/rollbar/middleware/rails/show_exceptions.rb" line 22 in call_with_rollbar 108 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 109 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/show_exceptions.rb" line 30 in call 110 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 111 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/rack/logger.rb" line 38 in call_app 112 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/rack/logger.rb" line 20 in block in call 113 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb" line 68 in block in tagged 114 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb" line 26 in tagged 115 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/tagged_logging.rb" line 68 in tagged 116 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/rack/logger.rb" line 20 in call 117 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 118 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/request_id.rb" line 21 in call 119 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 120 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/methodoverride.rb" line 22 in call 121 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 122 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/runtime.rb" line 18 in call 123 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 124 File "/app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.8/lib/active_support/cache/strategy/local_cache_middleware.rb" line 28 in call 125 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 126 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/static.rb" line 120 in call 127 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 128 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-1.6.5/lib/rack/sendfile.rb" line 113 in call 129 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 130 File "/app/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.8/lib/action_dispatch/middleware/ssl.rb" line 24 in call 131 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 132 File "/app/vendor/bundle/ruby/2.3.0/gems/rack-cors-0.4.1/lib/rack/cors.rb" line 81 in call 133 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 134 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/engine.rb" line 518 in call 135 File "/app/vendor/bundle/ruby/2.3.0/gems/railties-4.2.8/lib/rails/application.rb" line 165 in call 136 File "/app/vendor/bundle/ruby/2.3.0/gems/newrelic_rpm-4.0.0.332/lib/new_relic/agent/instrumentation/middleware_tracing.rb" line 92 in call 137 File "/app/vendor/bundle/ruby/2.3.0/gems/puma-3.8.2/lib/puma/configuration.rb" line 224 in call 138 File "/app/vendor/bundle/ruby/2.3.0/gems/puma-3.8.2/lib/puma/server.rb" line 600 in handle_request 139 File "/app/vendor/bundle/ruby/2.3.0/gems/puma-3.8.2/lib/puma/server.rb" line 435 in process_client 140 File "/app/vendor/bundle/ruby/2.3.0/gems/puma-3.8.2/lib/puma/server.rb" line 299 in block in run 141 File "/app/vendor/bundle/ruby/2.3.0/gems/puma-3.8.2/lib/puma/thread_pool.rb" line 120 in block in spawn_thread 

不明白有什么不对?

根据用法部分中的枚举README , in:的参数应该是一个数组,而不是你提供的哈希。 所以,改变:

  in: { last_date: 0, begin_date: 1 } 

至:

 in: [:last_date, :begin_date] 
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