정의되지 않은 메소드 'gmaps4rails'for ... gmaps4rails gem 레일 3 postgres 로컬

Question

gmaps4rails gem으로 Google 매핑을 구현하려고합니다. 여기 GitHub의에 튜토리얼

https://github.com/apneadiving/Google-Maps-for-Rails/blob/master/README.rdoc

를 따라했지만 내가보기를 렌더링 할 때 나는 제목에 오류가 발생합니다 :에 따르면

에 대한

정의되지 않은 메서드`gmaps4rails ' 스레드

Rails 3 google maps

는

응답 f를 어느 check_process =>를 갖는 것이다 또는 gmaps : boolean 열을 데이터베이스에 추가하십시오. 모델

Event.find(18).gmaps 
=>nil 

: 나는 콘솔에서 행운

에 모두 완료했습니다보기에서 컨트롤러

def index 
@events=Event.all 
@json = Event.all.to_gmaps4rails 
    end 

에서

class Event < ActiveRecord::Base 
include Gmaps4rails::ActsAsGmappable 


acts_as_gmappable 


def gmaps4rails_address 
    #describe how to retrieve the address from your model, if you use directly a db column, you can dry your code, see wiki 
address 
end 

    end 

<%= gmaps4rails(@json) %> 

보기 코드를 주석 처리하면 오류가 제거됩니다. 뷰에서 @json 만 표시하면 빈 배열이 렌더링됩니다. 또한 변경없이 서버를 여러 번 리셋했습니다.

전체 추적 업데이트 :

undefined method `gmaps4rails' for #<#<Class:0x007fb963deb9c0>:0x007fb963dd1778> 

Extracted source (around line #18): 

15:    <h3 class="twitter_caveat"> 
16:     <-- Check twitter feed for updates and details 
17:    </h3> 
18:    <%= gmaps4rails(@json) %> 
19: 
20:    <% @events=Event.find(:all, :order => :date) %> 
21:    <% unless defined? (old_date) 

Rails.root: /Users/taylorjackson/Desktop/eiweb 
Application Trace | Framework Trace | Full Trace 

    app/views/events/index.html.erb:18:in`_app_views_events_index_html_erb___2050852902177216198_70217110523400__1900275664769892622' 
    actionpack (3.0.9) lib/action_view/template.rb:135:in `block in render' 
activesupport (3.0.9) lib/active_support/notifications.rb:54:in `instrument' 
actionpack (3.0.9) lib/action_view/template.rb:127:in `render' 
actionpack (3.0.9) lib/action_view/render/rendering.rb:59:in `block in _render_template' 
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `block in instrument' 
activesupport (3.0.9) lib/active_support/notifications/instrumenter.rb:21:in `instrument' 
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `instrument' 
actionpack (3.0.9) lib/action_view/render/rendering.rb:56:in `_render_template' 
actionpack (3.0.9) lib/action_view/render/rendering.rb:26:in `render' 
actionpack (3.0.9) lib/abstract_controller/rendering.rb:115:in `_render_template' 
actionpack (3.0.9) lib/abstract_controller/rendering.rb:109:in `render_to_body' 
actionpack (3.0.9) lib/action_controller/metal/renderers.rb:47:in `render_to_body' 
actionpack (3.0.9) lib/action_controller/metal/compatibility.rb:55:in `render_to_body' 
actionpack (3.0.9) lib/abstract_controller/rendering.rb:102:in `render_to_string' 
actionpack (3.0.9) lib/abstract_controller/rendering.rb:93:in `render' 
actionpack (3.0.9) lib/action_controller/metal/rendering.rb:17:in `render' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render' 
activesupport (3.0.9) lib/active_support/core_ext/benchmark.rb:5:in `block in ms' 
/Users/taylorjackson/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' 
activesupport (3.0.9) lib/active_support/core_ext/benchmark.rb:5:in `ms' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:40:in `block in render' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:78:in `cleanup_view_runtime' 
activerecord (3.0.9) lib/active_record/railties/controller_runtime.rb:15:in `cleanup_view_runtime' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:39:in `render' 
actionpack (3.0.9) lib/action_controller/metal/implicit_render.rb:10:in `default_render' 
actionpack (3.0.9) lib/action_controller/metal/implicit_render.rb:5:in `send_action' 
actionpack (3.0.9) lib/abstract_controller/base.rb:150:in `process_action' 
actionpack (3.0.9) lib/action_controller/metal/rendering.rb:11:in `process_action' 
actionpack (3.0.9) lib/abstract_controller/callbacks.rb:18:in `block in process_action' 
activesupport (3.0.9) lib/active_support/callbacks.rb:436:in `_run__3137438702937572687__process_action__2204161605349298996__callbacks' 
activesupport (3.0.9) lib/active_support/callbacks.rb:410:in `_run_process_action_callbacks' 
activesupport (3.0.9) lib/active_support/callbacks.rb:94:in `run_callbacks' 
actionpack (3.0.9) lib/abstract_controller/callbacks.rb:17:in `process_action' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' 
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `block in instrument' 
activesupport (3.0.9) lib/active_support/notifications/instrumenter.rb:21:in `instrument' 
activesupport (3.0.9) lib/active_support/notifications.rb:52:in `instrument' 
actionpack (3.0.9) lib/action_controller/metal/instrumentation.rb:29:in `process_action' 
actionpack (3.0.9) lib/action_controller/metal/rescue.rb:17:in `process_action' 
actionpack (3.0.9) lib/abstract_controller/base.rb:119:in `process' 
actionpack (3.0.9) lib/abstract_controller/rendering.rb:41:in `process' 
actionpack (3.0.9) lib/action_controller/metal.rb:138:in `dispatch' 
actionpack (3.0.9) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' 
actionpack (3.0.9) lib/action_controller/metal.rb:178:in `block in action' 
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:62:in `call' 
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:62:in `dispatch' 
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:27:in `call' 
rack-mount (0.6.14) lib/rack/mount/route_set.rb:148:in `block in call' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:93:in `block in recognize' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:68:in `optimized_each' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:92:in `recognize' 
rack-mount (0.6.14) lib/rack/mount/route_set.rb:139:in `call' 
actionpack (3.0.9) lib/action_dispatch/routing/route_set.rb:493:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/head.rb:14:in `call' 
rack (1.2.3) lib/rack/methodoverride.rb:24:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/params_parser.rb:21:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/flash.rb:182:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/cookies.rb:302:in `call' 
activerecord (3.0.9) lib/active_record/query_cache.rb:32:in `block in call' 
activerecord (3.0.9) lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache' 
activerecord (3.0.9) lib/active_record/query_cache.rb:12:in `cache' 
activerecord (3.0.9) lib/active_record/query_cache.rb:31:in `call' 
activerecord (3.0.9) lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/callbacks.rb:46:in `block in call' 
activesupport (3.0.9) lib/active_support/callbacks.rb:416:in `_run_call_callbacks' 
actionpack (3.0.9) lib/action_dispatch/middleware/callbacks.rb:44:in `call' 
rack (1.2.3) lib/rack/sendfile.rb:107:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/remote_ip.rb:48:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call' 
railties (3.0.9) lib/rails/rack/logger.rb:13:in `call' 
rack (1.2.3) lib/rack/runtime.rb:17:in `call' 
activesupport (3.0.9) lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
rack (1.2.3) lib/rack/lock.rb:11:in `block in call' 
<internal:prelude>:10:in `synchronize' 
rack (1.2.3) lib/rack/lock.rb:11:in `call' 
actionpack (3.0.9) lib/action_dispatch/middleware/static.rb:30:in `call' 
railties (3.0.9) lib/rails/application.rb:168:in `call' 
railties (3.0.9) lib/rails/application.rb:77:in `method_missing' 
railties (3.0.9) lib/rails/rack/log_tailer.rb:14:in `call' 
rack (1.2.3) lib/rack/content_length.rb:13:in `call' 
rack (1.2.3) lib/rack/handler/webrick.rb:52:in `service' 
/Users/taylorjackson/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service' 
/Users/taylorjackson/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run' 
/Users/taylorjackson/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread' 

Answer 1

나는 이동 일시적으로이 문제를 떠나야했다, 나는 (아무 코드 변경) 지점에 돌아 왔을 때 보석은 문제없이 작동했다. 내 유일한 이론은 중간 기간에 내 컴퓨터를 다시 시작할 때까지 내 로컬 포스트그레스 서버가 제대로 종료되지 않았다는 것입니다.