I was using this railscast episode: http://railscasts.com/episodes/382-tagging, which suggested this gem: https://github.com/mbleigh/acts-as-taggable-on,
and all was good to go until I clicked on a User created tag link, which is suppose to then list out every instance of the tag clicked, but instead I got this error message:
SQLite3::SQLException: near "values": syntax error: SELECT "values".* FROM "values" JOIN taggings values_taggings_5183317 ON values_taggings_5183317.taggable_id = values.id AND values_taggings_5183317.taggable_type = 'Value' AND values_taggings_5183317.tag_id = 2
Can you please help me?
# _form
<div class="form-group">
<%= f.text_field :tag_list, class: 'form-control', placeholder: 'Enter Tag(s)' %>
</div>
# Controller
def index
if params[:tag]
#values = Value.tagged_with(params[:tag])
else
#values = Value.order('RANDOM()')
end
end
def value_params
params.require(:value).permit(:name, :tag_list)
end
end
# index
<td class="category">
<b><%= raw value.tag_list.map { |t| link_to t, tag_path(t) }.join(', ') %> </b></td>
# routes
get 'tags/:tag', to: 'values#index', as: :tag
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/Users/galli01anthony/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
Thanks in advance!!!
I think the problem is twofold.
The token "values" is a reserved word in standard SQL. As insert into table_name values (...);.
You use it without double quotes, which are required in standard SQL for reserved words used as identifiers. (Better not to use reserved words that way, but still . . .) MySQL isn't standard; it uses backticks. SQL Server uses square brackets.
You need to quote values.id.
SELECT "values".*
FROM "values"
JOIN taggings values_taggings_5183317
ON values_taggings_5183317.taggable_id = "values".id
-- ^ ^
AND values_taggings_5183317.taggable_type = 'Value'
AND values_taggings_5183317.tag_id = 2
Related
I want to email users every time a new treatment that is under the category they are interested in is added.
I have a join table interests_users which is holds a user_id and a interest_id. Treatments has a variable called category which is used to compare against interests.
This is what the create block in my treatments controller looks like.
def create
#treatment = Treatment.new(treatment_params)
respond_to do |format|
if #treatment.save
interest = Interest.find_by(name: #treatment.category)
if interest
User.find_by_sql("SELECT * FROM users
INNER JOIN interests_users ON clients.id = interests_users.client_id
WHERE interests_users.interest_id = ?", interest.id).each do |user|
Bestevermailer.treatmentNotification(user, #treatment).deliver
end
end
format.html { redirect_to #treatment, notice: 'Treatment was successfully created.' }
format.json { render :show, status: :created, location: #treatment }
else
format.html { render :new }
format.json { render json: #treatment.errors, status: :unprocessable_entity }
end
end
end
Full Trace
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rack (1.6.4) lib/rack/runtime.rb:18:in `call'
activesupport (4.2.5) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
rack (1.6.4) lib/rack/lock.rb:17:in `call'
actionpack (4.2.5) lib/action_dispatch/middleware/static.rb:116:in `call'
rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
railties (4.2.5) lib/rails/engine.rb:518:in `call'
railties (4.2.5) lib/rails/application.rb:165:in `call'
rack (1.6.4) lib/rack/lock.rb:17:in `call'
rack (1.6.4) lib/rack/content_length.rb:15:in `call'
rack (1.6.4) lib/rack/handler/webrick.rb:88:in `service'
C:/RailsInstaller/Ruby2.1.0/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
C:/RailsInstaller/Ruby2.1.0/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
C:/RailsInstaller/Ruby2.1.0/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
Try re-framing your query. Here:
User.joins('INNER JOIN interests_users ON clients.id = interests_users.client_id').where("interests_users.interest_id = ?", interest.id)
As per a similar SO:
find_by_sql doesn't work well with query placeholders
find_by_sql expects an array as a parameter:
User.find_by_sql([
"SELECT * FROM users
INNER JOIN interests_users
ON clients.id = interests_users.client_id
WHERE interests_users.interest_id = ?",
interest.id]).each do |user|
I'm new to Ruby on Rails and trying to create a relatively simple web application by following this guide: http://www.sitepoint.com/youtube-rails/. I've come to a point where all the code is in place but still getting the NoMethodError in VideosController#create:
undefined method `uid=' for #<Video:0x007fb066c41d28>
app/controllers/videos_controller.rb
class VideosController < ApplicationController
def index
#videos = Video.order('created_at DESC')
end
def new
#video = Video.new
end
def create
#video = Video.new(params[:video])
if #video.save
flash[:success] = 'Video added!'
redirect_to root_url
else
render 'new'
end
end
end
app/models/video.rb
class Video < ActiveRecord::Base
attr_accessible :link
YT_LINK_FORMAT = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/i
validates :link, presence: true, format: YT_LINK_FORMAT
before_create -> do
uid = link.match(YT_LINK_FORMAT)
self.uid = uid[2] if uid && uid[2]
if self.uid.to_s.length != 11
self.errors.add(:link, 'is invalid.')
false
elsif Video.where(uid: self.uid).any?
self.errors.add(:link, 'is not unique.')
false
else
get_additional_info
end
end
private
def get_additional_info
begin
client = YouTubeIt::OAuth2Client.new(dev_key: '<my_dev_key>')
video = client.video_by(uid)
self.title = video.title
self.duration = parse_duration(video.duration)
self.author = video.author.name
self.likes = video.rating.likes
self.dislikes = video.rating.dislikes
rescue
self.title = '' ; self.duration = '00.00.00' ; self.author = '' ; self.likes = 0 ; self.dislikes = 0
end
end
def parse_duration(d)
hr = (d / 3600).floor
min = ((d - (hr * 3600)) / 60).floor
sec = (d - (hr * 3600) - (min * 60)).floor
hr = '0' + hr.to_s if hr.to_i < 10
min = '0' + min.to_s if min.to_i < 10
sec = '0' + sec.to_s if sec.to_i < 10
hr.to_s + ':' + min.to_s + ':' + sec.to_s
end
end
Full Trace
activemodel (3.2.17) lib/active_model/attribute_methods.rb:407:in `method_missing'
activerecord (3.2.17) lib/active_record/attribute_methods.rb:149:in `method_missing'
app/models/video.rb:10:in `block in <class:Video>'
activesupport (3.2.17) lib/active_support/callbacks.rb:407:in `_run__3695319422649908747__create__1619689881822406221__callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_create_callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
activerecord (3.2.17) lib/active_record/callbacks.rb:268:in `create'
activerecord (3.2.17) lib/active_record/persistence.rb:348:in `create_or_update'
activerecord (3.2.17) lib/active_record/callbacks.rb:264:in `block in create_or_update'
activesupport (3.2.17) lib/active_support/callbacks.rb:403:in `_run__3695319422649908747__save__1619689881822406221__callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
activerecord (3.2.17) lib/active_record/callbacks.rb:264:in `create_or_update'
activerecord (3.2.17) lib/active_record/persistence.rb:84:in `save'
activerecord (3.2.17) lib/active_record/validations.rb:50:in `save'
activerecord (3.2.17) lib/active_record/attribute_methods/dirty.rb:22:in `save'
activerecord (3.2.17) lib/active_record/transactions.rb:259:in `block (2 levels) in save'
activerecord (3.2.17) lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status'
activerecord (3.2.17) lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
activerecord (3.2.17) lib/active_record/transactions.rb:208:in `transaction'
activerecord (3.2.17) lib/active_record/transactions.rb:311:in `with_transaction_returning_status'
activerecord (3.2.17) lib/active_record/transactions.rb:259:in `block in save'
activerecord (3.2.17) lib/active_record/transactions.rb:270:in `rollback_active_record_state!'
activerecord (3.2.17) lib/active_record/transactions.rb:258:in `save'
app/controllers/videos_controller.rb:12:in `create'
actionpack (3.2.17) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (3.2.17) lib/abstract_controller/base.rb:167:in `process_action'
actionpack (3.2.17) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (3.2.17) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.2.17) lib/active_support/callbacks.rb:414:in `_run__333554687839828986__process_action__1999722818964258122__callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.17) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.2.17) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (3.2.17) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.2.17) lib/active_support/notifications.rb:123:in `block in instrument'
activesupport (3.2.17) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (3.2.17) lib/active_support/notifications.rb:123:in `instrument'
actionpack (3.2.17) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.2.17) lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
activerecord (3.2.17) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.2.17) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.2.17) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.2.17) lib/action_controller/metal.rb:203:in `dispatch'
actionpack (3.2.17) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.2.17) lib/action_controller/metal.rb:246:in `block in action'
actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:73:in `call'
actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:36:in `call'
journey (1.0.4) lib/journey/router.rb:68:in `block in call'
journey (1.0.4) lib/journey/router.rb:56:in `each'
journey (1.0.4) lib/journey/router.rb:56:in `call'
actionpack (3.2.17) lib/action_dispatch/routing/route_set.rb:608:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.4.5) lib/rack/etag.rb:23:in `call'
rack (1.4.5) lib/rack/conditionalget.rb:35:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/flash.rb:242:in `call'
rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context'
rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/cookies.rb:341:in `call'
activerecord (3.2.17) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.2.17) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `_run__469011070482330715__call__1619689881822406221__callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.17) lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
activesupport (3.2.17) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.17) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/reloader.rb:65:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
railties (3.2.17) lib/rails/rack/logger.rb:32:in `call_app'
railties (3.2.17) lib/rails/rack/logger.rb:16:in `block in call'
activesupport (3.2.17) lib/active_support/tagged_logging.rb:22:in `tagged'
railties (3.2.17) lib/rails/rack/logger.rb:16:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/request_id.rb:22:in `call'
rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
rack (1.4.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.2.17) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.4.5) lib/rack/lock.rb:15:in `call'
actionpack (3.2.17) lib/action_dispatch/middleware/static.rb:63:in `call'
railties (3.2.17) lib/rails/engine.rb:484:in `call'
railties (3.2.17) lib/rails/application.rb:231:in `call'
rack (1.4.5) lib/rack/content_length.rb:14:in `call'
railties (3.2.17) lib/rails/rack/log_tailer.rb:17:in `call'
rack (1.4.5) lib/rack/handler/webrick.rb:59:in `service'
/Users/<User_Name>/.rvm/rubies/ruby-1.9.2-head/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/Users/Kappe/.rvm/rubies/ruby-1.9.2-head/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/Users/Kappe/.rvm/rubies/ruby-1.9.2-head/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
I hope I've given enough information. I think something is going on in video.rb where uid and self.uid are set but I don't have enough knowledge to solve this problem. Can you help me with this? Thanks in advance!
undefined method `uid=' for #
The error is because there is no uid attribute in videos table.
You should add that attribute through migration
AddUidToVideo uid:string
this will create a migration file for adding a uid column to that table then
do rake db:migrate
I occasionally get MySQL server has gone away on my Rails 3.2.13/Ruby 1.9.3 app, hosted on a Google Compute Engine instance, connecting to a Cloud SQL D1 (512 MB) instance. The traffic is very low. The problem goes away when the site is reloaded, but it's too late since an HTTP 500 is already produced.
Any suggestions on what to tune? Does the MySQL server disconnect due to low traffic?
ActiveRecord::StatementInvalid (Mysql2::Error: MySQL server has gone away: SHOW
FULL FIELDS FROM `users`):
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_mysql_ada
pter.rb:245:in `query'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_mysql_ada
pter.rb:245:in `block in execute'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_adapter.r
b:280:in `block in log'
activesupport (3.2.13) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_adapter.rb:275:in `log'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_mysql_adapter.rb:245:in `execute'
activerecord (3.2.13) lib/active_record/connection_adapters/mysql2_adapter.rb:211:in `execute'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_mysql_adapter.rb:259:in `execute_and_free'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract_mysql_adapter.rb:426:in `columns'
activerecord (3.2.13) lib/active_record/connection_adapters/schema_cache.rb:12:in `block in initialize'
activerecord (3.2.13) lib/active_record/model_schema.rb:228:in `yield'
activerecord (3.2.13) lib/active_record/model_schema.rb:228:in `default'
activerecord (3.2.13) lib/active_record/model_schema.rb:228:in `columns'
activerecord (3.2.13) lib/active_record/model_schema.rb:237:in `columns_hash'
activerecord (3.2.13) lib/active_record/locking/optimistic.rb:131:in `locking_enabled?'
activerecord (3.2.13) lib/active_record/relation.rb:170:in `exec_queries'
activerecord (3.2.13) lib/active_record/relation.rb:160:in `block in to_a'
activerecord (3.2.13) lib/active_record/explain.rb:41:in `logging_query_plan'
activerecord (3.2.13) lib/active_record/relation.rb:159:in `to_a'
activerecord (3.2.13) lib/active_record/relation/finder_methods.rb:380:in `find_first'
activerecord (3.2.13) lib/active_record/relation/finder_methods.rb:122:in `first'
orm_adapter (0.4.0) lib/orm_adapter/adapters/active_record.rb:17:in `get'
devise (2.2.4) lib/devise/models/authenticatable.rb:208:in `serialize_from_session'
devise (2.2.4) lib/devise.rb:437:in `block (2 levels) in configure_warden!'
warden (1.2.1) lib/warden/session_serializer.rb:35:in `fetch'
warden (1.2.1) lib/warden/proxy.rb:212:in `user'
warden (1.2.1) lib/warden/proxy.rb:318:in `_perform_authentication'
warden (1.2.1) lib/warden/proxy.rb:127:in `authenticate!'
devise (2.2.4) lib/devise/controllers/helpers.rb:48:in `authenticate_user!'
activesupport (3.2.13) lib/active_support/callbacks.rb:407:in `run1684931682470039459process_action2800431035017339248_callbacks'
activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.13) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
activesupport (3.2.13) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.13) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.2.13) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (3.2.13) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.2.13) lib/active_support/notifications.rb:123:in `block in instrument'
activesupport (3.2.13) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (3.2.13) lib/active_support/notifications.rb:123:in `instrument'
actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.2.13) lib/action_controller/metal/params_wrapper.rb:207:in `process_action'
activerecord (3.2.13) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.2.13) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.2.13) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.2.13) lib/action_controller/metal.rb:203:in `dispatch'
actionpack (3.2.13) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.2.13) lib/action_controller/metal.rb:246:in `block in action'
actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:73:in `call'
actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
journey (1.0.4) lib/journey/router.rb:68:in `block in call'
journey (1.0.4) lib/journey/router.rb:56:in `each'
journey (1.0.4) lib/journey/router.rb:56:in `call'
actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:612:in `call'
omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!'
omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call'
omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!'
omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call'
warden (1.2.1) lib/warden/manager.rb:35:in `block in call'
warden (1.2.1) lib/warden/manager.rb:34:in `catch'
warden (1.2.1) lib/warden/manager.rb:34:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.4.5) lib/rack/etag.rb:23:in `call'
rack (1.4.5) lib/rack/conditionalget.rb:25:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/flash.rb:242:in `call'
rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context'
rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/cookies.rb:341:in `call'
activerecord (3.2.13) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.2.13) lib/active_record/connection_adapters/abstract/connectio
n_pool.rb:479:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/callbacks.rb:28:in `block i
n call'
activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `run_280652940
067824407_call1265643099882031984_callbacks'
activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.13) lib/active_support/callbacks.rb:385:in `_run_call_callb
acks'
activesupport (3.2.13) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.13) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `
call'
actionpack (3.2.13) lib/action_dispatch/middleware/show_exceptions.rb:56:in `c
all'
railties (3.2.13) lib/rails/rack/logger.rb:32:in `call_app'
railties (3.2.13) lib/rails/rack/logger.rb:16:in `block in call'
activesupport (3.2.13) lib/active_support/tagged_logging.rb:22:in `tagged'
railties (3.2.13) lib/rails/rack/logger.rb:16:in `call'
actionpack (3.2.13) lib/action_dispatch/middleware/request_id.rb:22:in `call'
rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
rack (1.4.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.2.13) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.4.5) lib/rack/lock.rb:15:in `call'
rack-cache (1.2) lib/rack/cache/context.rb:136:in `forward'
rack-cache (1.2) lib/rack/cache/context.rb:245:in `fetch'
rack-cache (1.2) lib/rack/cache/context.rb:185:in `lookup'
rack-cache (1.2) lib/rack/cache/context.rb:66:in `call!'
rack-cache (1.2) lib/rack/cache/context.rb:51:in `call'
railties (3.2.13) lib/rails/engine.rb:479:in `call'
railties (3.2.13) lib/rails/application.rb:223:in `call'
railties (3.2.13) lib/rails/railtie/configurable.rb:30:in `method_missing'
unicorn (4.6.3) lib/unicorn/http_server.rb:552:in `process_client'
unicorn (4.6.3) lib/unicorn/http_server.rb:632:in `worker_loop'
unicorn (4.6.3) lib/unicorn/http_server.rb:500:in `spawn_missing_workers'
unicorn (4.6.3) lib/unicorn/http_server.rb:511:in `maintain_worker_count'
unicorn (4.6.3) lib/unicorn/http_server.rb:277:in `join'
unicorn (4.6.3) bin/unicorn:126:in `<top (required)>'
/home/mparaz/.rvm/gems/ruby-1.9.3-p545#moovd/bin/unicorn:23:in `load'
/home/mparaz/.rvm/gems/ruby-1.9.3-p545#moovd/bin/unicorn:23:in `<main>'
/home/mparaz/.rvm/gems/ruby-1.9.3-p545#moovd/bin/ruby_executable_hooks:15:in `eval'
/home/mparaz/.rvm/gems/ruby-1.9.3-p545#moovd/bin/ruby_executable_hooks:15:in `<main>'
The observed behavior, most likely, is a result of the billing plan configured for the instance. If 'per use' billing plan is used; the instance will spin up when accessed and will continue to be up 15 min after the last access.
For more details take a look at "Pricing and Billing" section here.
Another consideration is that Google Compute Engine kills times out idle connections. This issue and the workaround are described in the old Cloud SQL Google Group:
https://groups.google.com/forum/#!msg/google-cloud-sql-discuss/cLLxUxiS5ck/c5dsYCvZhDEJ
The relevant Google Compute Engine documentation:
https://developers.google.com/compute/docs/networking#overview
I just installed delayed job on my little Rails 3.2 app. Here is the controller where I use it:
require 'waveform'
class MixesController < ApplicationController
def index
end
def new
#mix = Mix.new
end
def create
#mix = Mix.new(params[:mix])
if #mix.save
options = {
method: :rms,
width: 1800,
height: 280,
background_color: "#ffffff",
color: "#3333ff",
force: true,
quiet: true
}
waveform = "./public/waveforms/#{File.basename(#mix.sound_file.to_s, File.extname(#mix.sound_file.to_s))}.png"
::Waveform.new("./public" + #mix.sound_file.to_s, nil).delay.generate(waveform, options)
flash[:success] = "Mix successfully uploaded"
redirect_to mix_url(#mix)
else
render :new
end
end
def show
#mix = Mix.find(params[:id])
end
end
I get an error saying: undefined methodname' for nil:NilClass`, here is the full stack trace:
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:25:in `block in initialize'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `yield'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `default'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `block in initialize'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `yield'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `default'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `block in initialize'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `yield'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `default'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `block in initialize'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `yield'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `default'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:27:in `block in initialize'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:102:in `yield'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:102:in `default'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:102:in `accept'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:447:in `block in dump_ivars'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:445:in `each'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:445:in `dump_ivars'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:124:in `visit_Object'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:102:in `accept'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:434:in `block in emit_coder'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:432:in `each'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:432:in `emit_coder'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:417:in `dump_coder'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:100:in `accept'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/visitors/yaml_tree.rb:66:in `push'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych.rb:242:in `dump'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/psych/core_ext.rb:14:in `psych_to_yaml'
delayed_job (3.0.3) lib/delayed/backend/base.rb:80:in `payload_object='
activerecord (3.2.3) lib/active_record/attribute_assignment.rb:85:in `block in assign_attributes'
activerecord (3.2.3) lib/active_record/attribute_assignment.rb:78:in `each'
activerecord (3.2.3) lib/active_record/attribute_assignment.rb:78:in `assign_attributes'
activerecord (3.2.3) lib/active_record/base.rb:498:in `initialize'
delayed_job (3.0.3) lib/delayed/backend/base.rb:28:in `new'
delayed_job (3.0.3) lib/delayed/backend/base.rb:28:in `enqueue'
delayed_job (3.0.3) lib/delayed/message_sending.rb:13:in `method_missing'
app/controllers/mixes_controller.rb:25:in `create'
actionpack (3.2.3) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (3.2.3) lib/abstract_controller/base.rb:167:in `process_action'
actionpack (3.2.3) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (3.2.3) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.2.3) lib/active_support/callbacks.rb:414:in `_run__842168672059661955__process_action__4066633601342968686__callbacks'
activesupport (3.2.3) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.3) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks'
activesupport (3.2.3) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.3) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.2.3) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (3.2.3) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.2.3) lib/active_support/notifications.rb:123:in `block in instrument'
activesupport (3.2.3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (3.2.3) lib/active_support/notifications.rb:123:in `instrument'
actionpack (3.2.3) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.2.3) lib/action_controller/metal/params_wrapper.rb:205:in `process_action'
activerecord (3.2.3) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.2.3) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.2.3) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.2.3) lib/action_controller/metal.rb:203:in `dispatch'
actionpack (3.2.3) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.2.3) lib/action_controller/metal.rb:246:in `block in action'
actionpack (3.2.3) lib/action_dispatch/routing/route_set.rb:73:in `call'
actionpack (3.2.3) lib/action_dispatch/routing/route_set.rb:73:in `dispatch'
actionpack (3.2.3) lib/action_dispatch/routing/route_set.rb:36:in `call'
journey (1.0.3) lib/journey/router.rb:68:in `block in call'
journey (1.0.3) lib/journey/router.rb:56:in `each'
journey (1.0.3) lib/journey/router.rb:56:in `call'
actionpack (3.2.3) lib/action_dispatch/routing/route_set.rb:600:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.4.1) lib/rack/etag.rb:23:in `call'
rack (1.4.1) lib/rack/conditionalget.rb:35:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/flash.rb:242:in `call'
rack (1.4.1) lib/rack/session/abstract/id.rb:205:in `context'
rack (1.4.1) lib/rack/session/abstract/id.rb:200:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/cookies.rb:338:in `call'
activerecord (3.2.3) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.2.3) lib/active_record/connection_adapters/abstract/connection_pool.rb:467:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
activesupport (3.2.3) lib/active_support/callbacks.rb:405:in `_run__647780415925652457__call__1911592835196459847__callbacks'
activesupport (3.2.3) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.3) lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
activesupport (3.2.3) lib/active_support/callbacks.rb:81:in `run_callbacks'
actionpack (3.2.3) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/reloader.rb:65:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
railties (3.2.3) lib/rails/rack/logger.rb:26:in `call_app'
railties (3.2.3) lib/rails/rack/logger.rb:16:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/request_id.rb:22:in `call'
rack (1.4.1) lib/rack/methodoverride.rb:21:in `call'
rack (1.4.1) lib/rack/runtime.rb:17:in `call'
activesupport (3.2.3) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.4.1) lib/rack/lock.rb:15:in `call'
actionpack (3.2.3) lib/action_dispatch/middleware/static.rb:62:in `call'
railties (3.2.3) lib/rails/engine.rb:479:in `call'
railties (3.2.3) lib/rails/application.rb:220:in `call'
rack (1.4.1) lib/rack/content_length.rb:14:in `call'
railties (3.2.3) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.4.1) lib/rack/handler/webrick.rb:59:in `service'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
/Users/aziz/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
Does anyone know why I am getting this error please?
This is happening because the system is trying to turn nil into a value that can be stored in YAML and is failing.
Looking at your code, I expect that is because you are passing a nil object into the variables passed to Waveform.new (the method whose operation is being delayed). The variables passed to new will need to be stored until delayed job is ready to run the process, and I expect they are stored as YAML.
Can you refactor Waveform to either make the second attribute optional (so its value doesn't have to be preserved)
::Waveform.new("./public" + #mix.sound_file.to_s).delay.generate(waveform, options)
or use something else to have the same meaning as nil. For example, pass in the symbol :none. Then the line becomes:
::Waveform.new("./public" + #mix.sound_file.to_s, :none).delay.generate(waveform, options)
I'm attempting to get CanCan working for a few specific actions in my Rails 3 app. I've defined my roles in the Ability.rb class, but something is causing an error in both production and development. Specifically, when I call can? to show/hide a link depending on User role I get the following:
ArgumentError in Higher_eds#show
Showing /Users/me/Desktop/myapp/app/views/higher_eds/_logged_in.html.erb where line #62 raised:
wrong number of arguments (2 for 1)
Can anyone help me figure out what's going on?
I'm getting the error by calling the following in my /higher_eds/_logged_in.html.erb view:
<% if can? :highered_students, #highered %>
<li><%= link_to "Students", highered_students_higher_ed_path, :class=> 'inactive', :remote => true %></li>
<% end %>
In my highered_students action in higher_eds_controller.rb:
def highered_students
#highered = HigherEd.find(params[:id])
#profiles = Profile.where %[higher_ed = ? AND EXTRACT(year FROM college_grad_year) > EXTRACT(year FROM current_date)], #highered.name
respond_to do |format|
format.js { render :layout => nil }
end
end
My Ability.rb:
class Ability
include CanCan::Ability
def initialize(user)
user ||= User.new #guest user
if user.role? :highered_admin
can :highered_students, HigherEd
end
if user.role? :admin
can :manage, :all
end
end
end
My full trace:
activerecord (3.0.5) lib/active_record/attribute_methods/query.rb:34:in `attribute?'
activemodel (3.0.5) lib/active_model/attribute_methods.rb:362:in `method_missing'
activerecord (3.0.5) lib/active_record/attribute_methods.rb:46:in `method_missing'
app/models/ability.rb:6:in `initialize'
cancan (1.6.7) lib/cancan/controller_additions.rb:349:in `new'
cancan (1.6.7) lib/cancan/controller_additions.rb:349:in `current_ability'
cancan (1.6.7) lib/cancan/controller_additions.rb:372:in `can?'
actionpack (3.0.5) lib/abstract_controller/helpers.rb:55:in `can?'
app/views/higher_eds/_logged_in.html.erb:62:in `block in _app_views_higher_eds__logged_in_html_erb__1309160371424325548_70132578271280__1361790216911758374'
actionpack (3.0.5) lib/action_view/helpers/capture_helper.rb:40:in `block in capture'
actionpack (3.0.5) lib/action_view/helpers/capture_helper.rb:172:in `with_output_buffer'
actionpack (3.0.5) lib/action_view/helpers/capture_helper.rb:40:in `capture'
actionpack (3.0.5) lib/action_view/helpers/tag_helper.rb:77:in `content_tag'
actionpack (3.0.5) lib/action_view/helpers/record_tag_helper.rb:59:in `content_tag_for'
actionpack (3.0.5) lib/action_view/helpers/record_tag_helper.rb:21:in `div_for'
app/views/higher_eds/_logged_in.html.erb:1:in `_app_views_higher_eds__logged_in_html_erb__1309160371424325548_70132578271280__1361790216911758374'
actionpack (3.0.5) lib/action_view/template.rb:135:in `block in render'
activesupport (3.0.5) lib/active_support/notifications.rb:54:in `instrument'
actionpack (3.0.5) lib/action_view/template.rb:127:in `render'
actionpack (3.0.5) lib/action_view/render/partials.rb:333:in `render_partial'
actionpack (3.0.5) lib/action_view/render/partials.rb:262:in `block in render'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `block in instrument'
activesupport (3.0.5) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `instrument'
actionpack (3.0.5) lib/action_view/render/partials.rb:260:in `render'
actionpack (3.0.5) lib/action_view/render/partials.rb:378:in `_render_partial'
actionpack (3.0.5) lib/action_view/render/rendering.rb:22:in `render'
app/views/higher_eds/show.html.erb:2:in `_app_views_higher_eds_show_html_erb__2358915598045819601_70132577771800__3922384299851769153'
actionpack (3.0.5) lib/action_view/template.rb:135:in `block in render'
activesupport (3.0.5) lib/active_support/notifications.rb:54:in `instrument'
actionpack (3.0.5) lib/action_view/template.rb:127:in `render'
actionpack (3.0.5) lib/action_view/render/rendering.rb:59:in `block in _render_template'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `block in instrument'
activesupport (3.0.5) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `instrument'
actionpack (3.0.5) lib/action_view/render/rendering.rb:56:in `_render_template'
actionpack (3.0.5) lib/action_view/render/rendering.rb:26:in `render'
actionpack (3.0.5) lib/abstract_controller/rendering.rb:115:in `_render_template'
actionpack (3.0.5) lib/abstract_controller/rendering.rb:109:in `render_to_body'
actionpack (3.0.5) lib/action_controller/metal/renderers.rb:47:in `render_to_body'
actionpack (3.0.5) lib/action_controller/metal/compatibility.rb:55:in `render_to_body'
actionpack (3.0.5) lib/abstract_controller/rendering.rb:102:in `render_to_string'
actionpack (3.0.5) lib/abstract_controller/rendering.rb:93:in `render'
actionpack (3.0.5) lib/action_controller/metal/rendering.rb:17:in `render'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render'
activesupport (3.0.5) lib/active_support/core_ext/benchmark.rb:5:in `block in ms'
/Users/me/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/benchmark.rb:310:in `realtime'
activesupport (3.0.5) lib/active_support/core_ext/benchmark.rb:5:in `ms'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:40:in `block in render'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:78:in `cleanup_view_runtime'
activerecord (3.0.5) lib/active_record/railties/controller_runtime.rb:15:in `cleanup_view_runtime'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:39:in actionpack `render'
app/controllers/higher_eds_controller.rb:42:in `show'
actionpack (3.0.5) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (3.0.5) lib/abstract_controller/base.rb:150:in `process_action'
actionpack (3.0.5) lib/action_controller/metal/rendering.rb:11:in `process_action'
actionpack (3.0.5) lib/abstract_controller/callbacks.rb:18:in `block in process_action'
activesupport (3.0.5) lib/active_support/callbacks.rb:440:in `_run__4596096755335087880__process_action__1011169593507530898__callbacks'
activesupport (3.0.5) lib/active_support/callbacks.rb:409:in `_run_process_action_callbacks'
activesupport (3.0.5) lib/active_support/callbacks.rb:93:in `run_callbacks'
actionpack (3.0.5) lib/abstract_controller/callbacks.rb:17:in `process_action'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `block in instrument'
activesupport (3.0.5) lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.0.5) lib/active_support/notifications.rb:52:in `instrument'
actionpack (3.0.5) lib/action_controller/metal/instrumentation.rb:29:in `process_action'
actionpack (3.0.5) lib/action_controller/metal/rescue.rb:17:in `process_action'
actionpack (3.0.5) lib/abstract_controller/base.rb:119:in `process'
actionpack (3.0.5) lib/abstract_controller/rendering.rb:41:in `process'
actionpack (3.0.5) lib/action_controller/metal.rb:138:in `dispatch'
actionpack (3.0.5) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch'
actionpack (3.0.5) lib/action_controller/metal.rb:178:in `block in action'
actionpack (3.0.5) lib/action_dispatch/routing/route_set.rb:62:in `call'
actionpack (3.0.5) lib/action_dispatch/routing/route_set.rb:62:in `dispatch'
actionpack (3.0.5) 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:145: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 (3.0.5) lib/action_dispatch/routing/route_set.rb:492:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/head.rb:14:in `call'
rack (1.2.5) lib/rack/methodoverride.rb:24:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/params_parser.rb:21:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/flash.rb:182:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/cookies.rb:302:in `call'
activerecord (3.0.5) lib/active_record/query_cache.rb:32:in `block in call'
activerecord (3.0.5) lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache'
activerecord (3.0.5) lib/active_record/query_cache.rb:12:in `cache'
activerecord (3.0.5) lib/active_record/query_cache.rb:31:in `call'
activerecord (3.0.5) lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/callbacks.rb:46:in `block in call'
activesupport (3.0.5) lib/active_support/callbacks.rb:415:in `_run_call_callbacks'
actionpack (3.0.5) lib/action_dispatch/middleware/callbacks.rb:44:in `call'
rack (1.2.5) lib/rack/sendfile.rb:106:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/remote_ip.rb:48:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.0.5) lib/rails/rack/logger.rb:13:in `call'
rack (1.2.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.0.5) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.2.5) lib/rack/lock.rb:13:in `block in call'
<internal:prelude>:10:in `synchronize'
rack (1.2.5) lib/rack/lock.rb:13:in `call'
actionpack (3.0.5) lib/action_dispatch/middleware/static.rb:30:in `call'
railties (3.0.5) lib/rails/application.rb:168:in `call'
railties (3.0.5) lib/rails/application.rb:77:in `method_missing'
railties (3.0.5) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.2.5) lib/rack/content_length.rb:13:in `call'
rack (1.2.5) lib/rack/handler/webrick.rb:52:in `service'
/Users/me/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
/Users/me/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
/Users/me/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
If I change my Ability.rb logic for checking if a User has a certain role, it works.
class Ability
include CanCan::Ability
def initialize(user)
user ||= User.new #guest user
if user.role? == :highered_admin
can :highered_students, HigherEd
end
if user.role? :admin
can :manage, :all
end
end
end
I had it set up for a different role model check.