2016-04-13 23:58:48 [-] Error on request (39) subnet.list: 'NoneType' object has no attribute 'render_json'
Traceback (most recent call last):
File "/usr/lib/python3.5/threading.py", line 862, in run
self._target(*self._args, **self._kwargs)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/twisted.py", line 841, in worker
return target()
File "/usr/lib/python3/dist-packages/twisted/_threads/_threadworker.py", line 46, in work
task()
File "/usr/lib/python3/dist-packages/twisted/_threads/_team.py", line 190, in doWork
task()
--- <exception caught here> ---
File "/usr/lib/python3/dist-packages/twisted/python/threadpool.py", line 246, in inContext
result = inContext.theWork()
File "/usr/lib/python3/dist-packages/twisted/python/threadpool.py", line 262, in <lambda>
inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 118, in callWithContext
return self.currentContext().callWithContext(ctx, func, *args, **kw)
File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 81, in callWithContext
return func(*args,**kw)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/twisted.py", line 874, in callInContext
return func(*args, **kwargs)
File "/usr/lib/python3/dist-packages/maasserver/utils/orm.py", line 516, in call_within_transaction
return func_outside_txn(*args, **kwargs)
File "/usr/lib/python3/dist-packages/maasserver/utils/orm.py", line 343, in retrier
return func(*args, **kwargs)
File "/usr/lib/python3.5/contextlib.py", line 30, in inner
return func(*args, **kwds)
File "/usr/lib/python3/dist-packages/maasserver/websockets/base.py", line 343, in list
for obj in objs
File "/usr/lib/python3/dist-packages/maasserver/websockets/base.py", line 343, in <listcomp>
for obj in objs
File "/usr/lib/python3/dist-packages/maasserver/websockets/base.py", line 195, in full_dehydrate
return self.dehydrate(obj, data, for_list=for_list)
File "/usr/lib/python3/dist-packages/maasserver/websockets/handlers/subnet.py", line 43, in dehydrate
include_ranges=True, include_suggestions=True)
File "/usr/lib/python3/dist-packages/provisioningserver/utils/network.py", line 297, in render_json
self.suggested_dynamic_range.render_json()
builtins.AttributeError: 'NoneType' object has no attribute 'render_json'
