Ruby on Rails

On the Heroku platform I always see an intermittent (and usually very rare) occurrence of "Connection reset by peer" on ALL external services -- Redis, database, etc. I believe this to be network-related and there's little you can do to prevent it.

Typically my application controller has several rescue_from(s) to deal with all of these exceptions, gracefully informing the user that there was a momentary problem and to please try again.

If it happens with frequency, figure out which external service is the problem and take it up with your hosting provider or the provider for the external service.


On Aug 30, 2014, at 8:54 AM, Colin Law <clanlaw@gmail.com> wrote:

> On 30 August 2014 13:28, ruby user <tyliong@gmail.com> wrote:
>> I am getting problems with a json request using the rails api gem and
>> webrick.
>>
>> When i do a index search with GET, i have an error ERROR Errno::ECONNRESET:
>> Connection reset by peer @ io_fillbuf. Below is a full log of the problem.I
>> have been trying to google the io_fillbuf but i can't seem to find any clear
>> answers to what it is.
>>
>> In my ApplicationController i have "skip_before_action
>> :verify_authenticity_token" as I am just using rails api for a pure json
>> app.
>>
>> Started GET "/api/v1/images.json?type=index&more=yes&offset=80" for
>> 169.254.249.61 at 2014-08-21 10:30:15 Processing by
>> Api::V1::ImagesController#index as JSON
>>
>> Parameters: {"type"=>"index", "more"=>"yes", "offset"=>"80"} index
>>
>> params type index
>> images length 20
>> Completed 200 OK in 97ms (Views: 0.1ms | ActiveRecord: 0.0ms)
>> [2014-08-21 10:30:15] ERROR Errno::ECONNRESET: Connection reset by peer @
>> io_fillbuf - fd:19
>
> Is it trying to fetch something from another server? If so perhaps
> that connection is failing.
> Show us ImagesController#index
> Does it happen every time you perform the request?
>
> Colin
>
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