Open Stack

After doing this upgrade (with a good chunk of data in the database that
was created on icehouse), i'm running into a problem I'm wondering if
anyone else has seen.

In particular, if i do a 'heat resource-list' on a stack that was created
with icehouse, i get an error, which is below.

I'm not sure how to approach this, my assumption is there is some data in
my database which is not formatted correctly, but 'which' data is the
problem.

I turned on mysql logging, and all the queries function, so it is parsing
something that comes back which is the problem. The below trace makes me
thing some column is null or '' in the old, and is expected in the new.

Any suggestions as to where to look next?

  File "/usr/lib/python2.7/dist-packages/heat/engine/stack.py", line 348,
in __iter__
    return iter(self.resources)
  File "/usr/lib/python2.7/dist-packages/heat/engine/stack.py", line 159,
in resources
    self.t.resource_definitions(self).items())
  File "/usr/lib/python2.7/dist-packages/heat/engine/stack.py", line 158,
in <genexpr>
    for (name, data) in
  File "/usr/lib/python2.7/dist-packages/heat/engine/resource.py", line
191, in __init__
    resource = stack.db_resource_get(name)
  File "/usr/lib/python2.7/dist-packages/heat/engine/stack.py", line 190,
in db_resource_get
    self.context, self.id)
  File "/usr/lib/python2.7/dist-packages/heat/db/api.py", line 96, in
resource_get_all_by_stack
    return IMPL.resource_get_all_by_stack(context, stack_id)
  File "/usr/lib/python2.7/dist-packages/heat/db/sqlalchemy/api.py", line
263, in resource_get_all_by_stack
    options(orm.joinedload("data")).all()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line
2300, in all
    return list(self)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line
73, in instances
    rows = [process[0](row, None) for row in fetch]
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line
455, in _instance
    populate_state(state, dict_, row, isnew, only_load_props)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line
305, in populate_state
    populator(state, dict_, row)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/strategies.py",
line 169, in fetch_col
    dict_[key] = row[col]
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/type_api.py", line
911, in process
    return process_value(impl_processor(value), dialect)
  File "/usr/lib/python2.7/dist-packages/heat/db/sqlalchemy/types.py", line
37, in process_result_value
    return loads(value)
  File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
TypeError: expected string or buffer
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