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[OpenStack Infra <1672291@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/444750
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=942fa3d7cdf74f118b3cfadaf09820bbe57211af
Submitter: Jenkins
Branch:    master

commit 942fa3d7cdf74f118b3cfadaf09820bbe57211af
Author: liyingjun <yingjun.li@xxxxxxxxxxxxxxx>
Date:   Tue Mar 14 10:48:38 2017 +0800

    Fix the return value for glance get_version
    
    The VERSIONS.get_version returned a Version object instead of a string,
    it will raise ValueError: Circular reference detected when json encode.
    
    This issue was introduced by commit
    834722cf8af7b3471e9c7234da0bac8669025ca2
    
    Change-Id: Ib41b2f7e77ac49911e9d5a4e129047f941bf5d24
    Closes-bug: #1672291


** Changed in: horizon
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1672291

Title:
  Error: Unable to get the Glance service version.

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  When accessing images page, the following error raised:
  error invoking apiclient
  Traceback (most recent call last):
    File "/opt/stack/horizon/openstack_dashboard/api/rest/utils.py", line 131, in _wrapped
      return JSONResponse(data, json_encoder=json_encoder)
    File "/opt/stack/horizon/openstack_dashboard/api/rest/utils.py", line 67, in __init__
      cls=json_encoder)
    File "/usr/local/lib/python2.7/dist-packages/oslo_serialization/jsonutils.py", line 190, in dumps
      return json.dumps(obj, default=default, **kwargs)
    File "/usr/lib/python2.7/json/__init__.py", line 250, in dumps
      sort_keys=sort_keys, **kw).encode(obj)
    File "/usr/lib/python2.7/json/encoder.py", line 209, in encode
      chunks = list(chunks)
    File "/usr/lib/python2.7/json/encoder.py", line 434, in _iterencode
      for chunk in _iterencode_dict(o, _current_indent_level):
    File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
      for chunk in chunks:
    File "/usr/lib/python2.7/json/encoder.py", line 443, in _iterencode
      for chunk in _iterencode(o, _current_indent_level):
    File "/usr/lib/python2.7/json/encoder.py", line 440, in _iterencode
      raise ValueError("Circular reference detected")
  ValueError: Circular reference detected

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