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[Rob Cresswell <rcresswe@xxxxxxxxx>]

** Also affects: sahara
   Importance: Undecided
       Status: New

** Tags removed: sahara
** Tags added: dashboard

** Summary changed:

- [Sahara] Internal error during cluster deletion
+ [UI] Internal error during cluster deletion

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https://bugs.launchpad.net/bugs/1394794

Title:
  [UI] Internal error during cluster deletion

Status in OpenStack Dashboard (Horizon):
  Invalid
Status in Sahara:
  New

Bug description:
  I had 3 clusters I wanted to delete. I marked all three of them and
  clicked 'delete clusters'. After some time 'Failed to update row'
  message occurred on client side.

  Stacktrace from horizon:
  Internal Server Error: /project/data_processing/clusters/
  Traceback (most recent call last):
    File "/Users/alazarev/openstack/horizon/.venv/lib/python2.7/site-packages/django/core/handlers/base.py", line 112, in get_response
      response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/Users/alazarev/openstack/horizon/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/horizon/decorators.py", line 52, in dec
      return view_func(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/horizon/decorators.py", line 36, in dec
      return view_func(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/horizon/decorators.py", line 84, in dec
      return view_func(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/.venv/lib/python2.7/site-packages/django/views/generic/base.py", line 69, in view
      return self.dispatch(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/.venv/lib/python2.7/site-packages/django/views/generic/base.py", line 87, in dispatch
      return handler(request, *args, **kwargs)
    File "/Users/alazarev/openstack/horizon/horizon/tables/views.py", line 157, in get
      handled = self.construct_tables()
    File "/Users/alazarev/openstack/horizon/horizon/tables/views.py", line 143, in construct_tables
      preempted = table.maybe_preempt()
    File "/Users/alazarev/openstack/horizon/horizon/tables/base.py", line 1518, in maybe_preempt
      error = exceptions.handle(request, ignore=True)
    File "/Users/alazarev/openstack/horizon/horizon/exceptions.py", line 334, in handle
      six.reraise(exc_type, exc_value, exc_traceback)
    File "/Users/alazarev/openstack/horizon/horizon/tables/base.py", line 1511, in maybe_preempt
      if self.get_object_id(datum) == self.current_item_id:
    File "/Users/alazarev/openstack/horizon/horizon/tables/base.py", line 1655, in get_object_id
      return datum.id
  AttributeError: 'NoneType' object has no attribute 'id'
  [20/Nov/2014 23:20:12] "GET /project/data_processing/clusters/?action=row_update&table=clusters&obj_id=9a43709b-d998-4a14-be38-8318a44821d7 HTTP/1.1" 200 1019
  [20/Nov/2014 23:20:13] "GET /project/data_processing/clusters/?action=row_update&table=clusters&obj_id=8608c1ba-bb45-4a85-9734-fd602770cba4 HTTP/1.1" 500 31829

  No errors on sahara side.

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