This is something that used to work correctly, but obviously something has
regressed. I'd actually run into this just a couple days ago, so I'll take
a look soon.
On Thu, Jul 2, 2015 at 6:01 AM, Daniel Laird <daniel.j.la...@googlemail.com>
> WE are running 2.0.17 and have managed to create a situation and dont know
> how to resolve it - or whether its a defect
> Someone created 2 reviews with code changes that were dependent.
> They marked Review 2 as Depends On Review 1 - this then updated the
> 'Blocks' field.
> They then marked Review 1 as Depends On Review 2 - as they felt that both
> reviews had to be committed together.
> However the server then starts to give us lots of errors:
> Traceback (most recent call last):
> line 199, in get_response
> response = middleware_method(request, response)
> line 14, in process_response
> response['Content-Length'] = str(len(response.content))
> line 109, in _get_content
> line 110, in encode
> return super(JSONEncoderAdapter, self).encode(o)
> File "/usr/lib/python2.7/json/encoder.py", line 201, in encode
> chunks = self.iterencode(o, _one_shot=True)
> File "/usr/lib/python2.7/json/encoder.py", line 264, in iterencode
> return _iterencode(o, 0)
> ValueError: Circular reference detected
> It maybe that the double linking is incorrect usage - however having been
> able to get into that situation. If we try to remove one of the 'Blocks'
> fields we just get a spinning 'Loading' icon and are unable to move past
> this to remove the Circular Reference.
> Not sure if you think this is user error, a defect or a combination of
> both - but thought I would share it.
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