rails: 5.0.0.beta4 / actionpack - undefined method `symbol' for nil:NilClass*

I cannot fully reproduce this issue but I am seeing some errors with the following details after upgrading to Rails 5:

Error

NoMethodError: undefined method `symbol' for nil:NilClass

Location

vendor/bundle/ruby/2.3.0/gems/actionpack-5.0.0.beta4/lib/action_dispatch/http/parameters.rb:63 - parse_formatted_parameters

Request details (from bugsnag)

Headers

{
  "Version": "HTTP/1.1",
  "Host": "...",
  "Connection": "close",
  "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0",
  "Cookie": "[FILTERED]",
  "X-Request-Id": "b883ebdb-95ac-4c81-89de-4885050fbd89",
  "X-Forwarded-For": "...",
  "X-Forwarded-Proto": "https",
  "X-Forwarded-Port": "443",
  "Via": "1.1 vegur",
  "Connect-Time": "0",
  "X-Request-Start": "1462260086212",
  "Total-Route-Time": "0",
  "Content-Length": "45"
}

Payload

{
  "store_id": "a0d443bf-36ad-451d-8d9f-f7a5ef9b71fa"
}

Sorry, but I cannot provide you with more details.

About this issue

Original URL
State: closed
Created 8 years ago
Comments: 21 (12 by maintainers)

Most upvoted comments

I have upgraded to Rails 5.0.1.rc1 and this issue is resolved! 🎉

jeremylynch on Dec 5, 2016

Thanks @Martijn, Rails 5.0.0.1 was released 10th August, #25950 was merged 26th July.

Thus shouldn’t this have been fixed in 5.0.0.1?

jeremylynch on Dec 5, 2016

Once I added a header of: 'Content-type': 'application/json' It was able to get past the error.

state-phasive on Jul 3, 2016