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[Morgan Fainberg <morgan.fainberg@xxxxxxxxx>]

** Also affects: python-keystoneclient
   Importance: Undecided
       Status: New

** Changed in: keystone
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1452955

Title:
  Client does not catch exceptions when making a token authentication
  request

Status in OpenStack Identity (Keystone):
  Invalid
Status in Python client library for Keystone:
  New

Bug description:
  keystoneclient.auth.identity.v3.token.TokenMethod does a
  session.post() without catching exceptions.

  In my case, I had a misconfigured DNS which meant that this post()
  never succeeded, however the error that ends up going back to Horizon
  is a simplified:

  "Login failed: An error occurred authenticating. Please try again
  later."

  which makes no mention of the underlying cause, nor do the keystone
  logs. This caused me an enormous amount of wasted time debugging, the
  error could certainly be improved here!

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