[GeoNode-devel] migrating data 2.6.3 -> 2.8

[Trey Caldwell]

I am currently attempting to migrate our GeoNode data from a server running
2.6.3 to a new server running 2.8. I was able to successfully create the
backup zip file, but when I attempt to restore (via the command line) on
the 2.8 server I am getting the following error:

Deserializing /tmp/restore/2019-02-21_091314/people.json
Traceback (most recent call last):
  File
"/usr/local/lib/python2.7/dist-packages/geonode/base/management/commands/restore.py",
line 356, in handle
    call_command('loaddata', fixture_file, app_label=app_name)
  File
"/usr/lib/python2.7/dist-packages/django/core/management/__init__.py", line
120, in call_command
    return command.execute(*args, **defaults)
  File "/usr/lib/python2.7/dist-packages/django/core/management/base.py",
line 445, in execute
    output = self.handle(*args, **options)
  File
"/usr/lib/python2.7/dist-packages/modeltranslation/management/commands/loaddata.py",
line 61, in handle
    return super(Command, self).handle(*fixture_labels, **options)
  File
"/usr/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py",
line 60, in handle
    self.loaddata(fixture_labels)
  File
"/usr/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py",
line 100, in loaddata
    self.load_label(fixture_label)
  File
"/usr/lib/python2.7/dist-packages/django/core/management/commands/loaddata.py",
line 151, in load_label
    for obj in objects:
  File "/usr/lib/python2.7/dist-packages/django/core/serializers/json.py",
line 85, in Deserializer
    six.reraise(DeserializationError, DeserializationError(e),
sys.exc_info()[2])
  File "/usr/lib/python2.7/dist-packages/django/core/serializers/json.py",
line 79, in Deserializer
    for obj in PythonDeserializer(objects, **options):
  File
"/usr/lib/python2.7/dist-packages/django/core/serializers/python.py", line
132, in Deserializer
    m2m_data[field.name] = [m2m_convert(pk) for pk in field_value]
  File
"/usr/lib/python2.7/dist-packages/django/core/serializers/python.py", line
127, in m2m_convert
    return
field.rel.to._default_manager.db_manager(db).get_by_natural_key(*value).pk
  File "/usr/lib/python2.7/dist-packages/django/contrib/auth/models.py",
line 94, in get_by_natural_key
    return self.get(name=name)
  File "/usr/lib/python2.7/dist-packages/django/db/models/manager.py", line
127, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/django/db/models/query.py", line
334, in get
    self.model._meta.object_name
DeserializationError: Problem installing fixture
'/tmp/restore/2019-02-21_091314/people.json': Group matching query does not
exist.
WARNING: No valid fixture data found for 'people'.

Any help or suggestions are greatly appreciated.

Thanks in advance,

Trey
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