[Bug 1504971] Re: 1.8.X - Internal Server Error when trying to configure a cluster interface on wily

[Andres Rodriguez]

** Changed in: maas
       Status: Fix Committed => Fix Released

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Title:
  1.8.X - Internal Server Error when trying to configure a cluster
  interface on wily

Status in MAAS:
  Fix Released
Status in Twisted:
  Unknown
Status in twisted package in Ubuntu:
  Fix Released

Bug description:
  Trying to configure a cluster interface in wily yileds the following
  (This is using MAAs 1.8.3 proposed in Wily):

  ==> /var/log/maas/regiond.log <==
  2015-10-11 09:10:21 [HTTPChannel,0,127.0.0.1] 500 Error - /MAAS/clusters/0f1d0fdb-049d-493e-bbd8-076442262f79/interfaces/virbr0/edit/
          Traceback (most recent call last):
            File "/usr/lib/python2.7/dist-packages/twisted/web/wsgi.py", line 315, in run
              appIterator = self.application(self.environ, self.startResponse)
            File "/usr/lib/django16/django/core/handlers/wsgi.py", line 206, in __call__
              response = self.get_response(request)
            File "/usr/lib/python2.7/dist-packages/maasserver/utils/views.py", line 213, in get_response
              response = get_response(request)
            File "/usr/lib/python2.7/dist-packages/maasserver/utils/views.py", line 202, in get_response
              request, get_resolver(None), sys.exc_info())
          --- <exception caught here> ---
            File "/usr/lib/python2.7/dist-packages/maasserver/utils/views.py", line 187, in get_response
              return django_get_response(request)
            File "/usr/lib/python2.7/dist-packages/maasserver/utils/orm.py", line 331, in __exit__
              self.fire()
            File "/usr/lib/python2.7/dist-packages/provisioningserver/utils/twisted.py", line 154, in wrapper
              return func(*args, **kwargs)
            File "/usr/lib/python2.7/dist-packages/maasserver/utils/async.py", line 180, in fire
              self._fire_in_reactor(hook).wait()
            File "/usr/lib/python2.7/dist-packages/crochet/_eventloop.py", line 219, in wait
              result.raiseException()
            File "<string>", line 2, in raiseException
              
          provisioningserver.rpc.exceptions.CannotConfigureDHCP: DHCPv6 server failed to stop: Unable to parse the active state from systemd for service 'maas-dhcpd6', active state reported as 'failed'.

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