Canvas developers help is needed: Cavas-Rails3

[juan....@iactiveit.com]

Hi everybody (specially Canvas devel Team),

I am attempting to setup Rails3 for my development. After achieving to run succesfully the server, I have multiple odd issues I am not able to fix whenever I run the app. 

I'm sure I am forgetting to setup something and that is my fault, so I need somebody to help to figure out this:

* Example (access to http://localhost:3000)

 -ActiveRecord::ConnectionNotEstablished

User#visible_stream_item_instances

app/models/user.rb, line 1702

The last error is only an example and it ocurrs in distinct ways in all the pages that are using code like the next:

self.shard.activate do

      Shackles.activate(:slave) do

I have no idea this code is for, so I am very lost to fix this.

Thanks in advance.

Juan

[Jean Michel]

Well,  I have managed to progress a little:

I have (temporary) patched shackles.rb passing always :@connection_pools as variable instead of :@class_to_pool:

ActiveRecord::Base.connection_handler.instance_variable_get(variable) 

Now the error appears at User.recent_stream_items in line:

si.data.write_attribute(:unread, sii.unread?)

New error is:

Attempt to call private method

I have checked the method write_attribute is private in Rails http://apidock.com/rails/ActiveRecord/Base/write_attribute 

So... I don't know anything as Socrates should say

[Cody Cutrer]

Juan,

Instructure has a goal to upgrade to Rails 3 by the end of the year. There are many known issues with Canvas under Rails 3. I would suspect the Shackles one is cause we are targeting Rails 3.2, so when writing new code compatible with Rails 2/3, we ignore 3.0 and 3.1 (and you're probably trying to run with 3.0).

Cody Cutrer

Software Engineer

Instructure

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