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Rails controller is not called but logger shows “Processing by controller…”

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1

I’m writing a plugin for a Rails application (Discourse) and setup routes like this:

Discourse::Application.routes.append do
 root to: 'custom#show'
end

Unfortunately, the Rails application already defines a series of root routes in its routes.rb file. Since they’re specified first, they take precedence according to “Rails Routing from the Outside In: 2.2 CRUD, Verbs, and Actions”.

However, I noticed an odd logger entry when changing the route setup like this:

Discourse::Application.routes.prepend do
 root to: 'custom#show'
end

By using prepend instead of append, Rails’ logger output now claims this when requesting the root path /:

INFO -- : Started GET "/" …
INFO -- : Processing by CustomController#show as HTML

However, the action CustomController#show is not actually called. The application behaves exactly as before. How can I get Rails to call this controller and action instead just like the logger claims?

(This is kind of a follow-up question to “For routes with identical URI patterns, which is matched first?”)

ruby-on-rails ruby controller

share|improve this question

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

add a comment | 

1

I’m writing a plugin for a Rails application (Discourse) and setup routes like this:

Discourse::Application.routes.append do
 root to: 'custom#show'
end

Unfortunately, the Rails application already defines a series of root routes in its routes.rb file. Since they’re specified first, they take precedence according to “Rails Routing from the Outside In: 2.2 CRUD, Verbs, and Actions”.

However, I noticed an odd logger entry when changing the route setup like this:

Discourse::Application.routes.prepend do
 root to: 'custom#show'
end

By using prepend instead of append, Rails’ logger output now claims this when requesting the root path /:

INFO -- : Started GET "/" …
INFO -- : Processing by CustomController#show as HTML

However, the action CustomController#show is not actually called. The application behaves exactly as before. How can I get Rails to call this controller and action instead just like the logger claims?

(This is kind of a follow-up question to “For routes with identical URI patterns, which is matched first?”)

ruby-on-rails ruby controller

share|improve this question

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

add a comment | 

I’m writing a plugin for a Rails application (Discourse) and setup routes like this:

Discourse::Application.routes.append do
 root to: 'custom#show'
end

Unfortunately, the Rails application already defines a series of root routes in its routes.rb file. Since they’re specified first, they take precedence according to “Rails Routing from the Outside In: 2.2 CRUD, Verbs, and Actions”.

However, I noticed an odd logger entry when changing the route setup like this:

Discourse::Application.routes.prepend do
 root to: 'custom#show'
end

By using prepend instead of append, Rails’ logger output now claims this when requesting the root path /:

INFO -- : Started GET "/" …
INFO -- : Processing by CustomController#show as HTML

However, the action CustomController#show is not actually called. The application behaves exactly as before. How can I get Rails to call this controller and action instead just like the logger claims?

(This is kind of a follow-up question to “For routes with identical URI patterns, which is matched first?”)

ruby-on-rails ruby controller

share|improve this question

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

Discourse::Application.routes.append do
 root to: 'custom#show'
end

Discourse::Application.routes.prepend do
 root to: 'custom#show'
end

INFO -- : Started GET "/" …
INFO -- : Processing by CustomController#show as HTML

share|improve this question

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

share|improve this question

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

asked Mar 22 at 10:06

kleinfreundkleinfreund

4,46032251

1 Answer
1

active

oldest

votes

0

Probably some kind of infinite look in your before_actions / ApplicationController / or the inherited Discourse controller.

You can debug it with logging statements and Ctrl-C during the request to see where is the hang (the stacktrace will appear).

share|improve this answer

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It turns out it was something I dismissed to be the source: Discourse’s ApplicationController sets up a check_xhr before action which eventually leads to a different controller being invoked. The logging statement from Rails probably means “We expect this controller to be invoked” rather than it is currently being used.
  
  – kleinfreund
  Mar 22 at 13:46
  
  

  
  
  
  

add a comment | 

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0

Probably some kind of infinite look in your before_actions / ApplicationController / or the inherited Discourse controller.

You can debug it with logging statements and Ctrl-C during the request to see where is the hang (the stacktrace will appear).

share|improve this answer

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It turns out it was something I dismissed to be the source: Discourse’s ApplicationController sets up a check_xhr before action which eventually leads to a different controller being invoked. The logging statement from Rails probably means “We expect this controller to be invoked” rather than it is currently being used.
  
  – kleinfreund
  Mar 22 at 13:46
  
  

  
  
  
  

add a comment | 

0

Probably some kind of infinite look in your before_actions / ApplicationController / or the inherited Discourse controller.

You can debug it with logging statements and Ctrl-C during the request to see where is the hang (the stacktrace will appear).

share|improve this answer

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  It turns out it was something I dismissed to be the source: Discourse’s ApplicationController sets up a check_xhr before action which eventually leads to a different controller being invoked. The logging statement from Rails probably means “We expect this controller to be invoked” rather than it is currently being used.
  
  – kleinfreund
  Mar 22 at 13:46
  
  

  
  
  
  

add a comment | 

Probably some kind of infinite look in your before_actions / ApplicationController / or the inherited Discourse controller.

You can debug it with logging statements and Ctrl-C during the request to see where is the hang (the stacktrace will appear).

share|improve this answer

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

share|improve this answer

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419

answered Mar 22 at 12:39

localhostdotdevlocalhostdotdev

12419