Unable to restore backups from horizon (freezer-web-ui)

[Sravan Kumar]

Hi,

I tried to restore a backup from Horizon UI by clicking the button "Restore" in "Backups" tab.
I got an error from horizon UI "Error: list index out of range".

from horizon log, I got bellow error.
Error:
2017-04-04 12:16:36.967495 ERROR:disaster_recovery.utils:list index out of range
2017-04-04 12:16:36.969266 Recoverable error: list index out of range
2017-04-04 12:16:36.969864 ERROR:disaster_recovery.utils:None
2017-04-04 12:16:37.281406 Internal Server Error: /dashboard/disaster_recovery/backups/restore/None
2017-04-04 12:16:37.281432 Traceback (most recent call last):
2017-04-04 12:16:37.281435 File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
2017-04-04 12:16:37.281438 response = wrapped_callback(request, *callback_args, **callback_kwargs)
2017-04-04 12:16:37.281440 File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
2017-04-04 12:16:37.281443 return view_func(request, *args, **kwargs)
2017-04-04 12:16:37.281445 File "/opt/stack/horizon/horizon/decorators.py", line 52, in dec
2017-04-04 12:16:37.281447 return view_func(request, *args, **kwargs)
2017-04-04 12:16:37.281449 File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
2017-04-04 12:16:37.281452 return view_func(request, *args, **kwargs)
2017-04-04 12:16:37.281454 File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
2017-04-04 12:16:37.281456 return self.dispatch(request, *args, **kwargs)
2017-04-04 12:16:37.281458 File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
2017-04-04 12:16:37.281461 return handler(request, *args, **kwargs)
2017-04-04 12:16:37.281463 File "/opt/stack/horizon/horizon/workflows/views.py", line 144, in get
2017-04-04 12:16:37.281465 context = self.get_context_data(**kwargs)
2017-04-04 12:16:37.281485 File "/opt/stack/horizon/horizon/workflows/views.py", line 91, in get_context_data
2017-04-04 12:16:37.281491 workflow = self.get_workflow()
2017-04-04 12:16:37.281493 File "/opt/stack/freezer-web-ui/disaster_recovery/utils.py", line 211, in wrapped_function
2017-04-04 12:16:37.281496 redirect=r)
2017-04-04 12:16:37.281506 File "/opt/stack/horizon/horizon/exceptions.py", line 347, in handle
2017-04-04 12:16:37.281509 if message:
2017-04-04 12:16:37.281511 File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py", line 135, in __wrapper__
2017-04-04 12:16:37.281513 res = func(*self.__args, **self.__kw)
2017-04-04 12:16:37.281516 File "/usr/local/lib/python2.7/dist-packages/django/utils/translation/__init__.py", line 84, in ugettext
2017-04-04 12:16:37.281518 return _trans.ugettext(message)
2017-04-04 12:16:37.281520 File "/usr/local/lib/python2.7/dist-packages/django/utils/translation/trans_real.py", line 330, in ugettext
2017-04-04 12:16:37.281523 return do_translate(message, 'ugettext')
2017-04-04 12:16:37.281525 File "/usr/local/lib/python2.7/dist-packages/django/utils/translation/trans_real.py", line 300, in do_translate
2017-04-04 12:16:37.281527 eol_message = message.replace(str('\\r\\n'), str('\\n')).replace(str('\\r'), str('\\n'))
2017-04-04 12:16:37.281530 AttributeError: 'NoneType' object has no attribute 'replace'

But, I am able to restore from Job restore action. Please help.