I'm glad you figured out the issue.  For future reference unsupported
behaviour is documented here:

  https://devcenter.heroku.com/articles/http-routing#not-supported

On Mon, Aug 17, 2015 at 2:37 PM, Dana Baillie <[email protected]> wrote:

> Hi we have a Ruby on Rails server application on Heroku.  When I send a
> post request to it, I always get a 400 Bad Request response. I have
> searched other 400 errors, but none are related to our issue. The HTTP
> response that we receive looks like this below:
>
> HTTP/1.1 400 Bad Request
>
> Server: Cowboy
>
> Date: Fri, 14 Aug 2015 21:55:25 GMT
>
> Content-Length: 0
>
> The post request that I am sending looks like this below:
>
> POST http://ourapp.herokuapp.com/api/v1/requests HTTP/1.0
>
> Accept-Language: en-us
>
> Accept: text/plain
>
> Content-Type: application/x-www-form-urlencoded
>
> Content-Length: 38
>
> Connection: Close
>
> request=600&key=&newKey=danasecretkey&
>
> If I create an HTML form to send the data, there is no issue. It's when I
> try to send the same request from our file server, that I get the errors. I
> tried using a preflight request with all of the correct request headings,
> but received the same 400 Bad Request error.  It's the same whether I use
> HTTP or HTTPS.
>
>
> Does anyone have any suggestions as to what I might be doing wrong?
>
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