Comment 1 for bug 719004

Hi,

I am also seeing this error running an ubuntu image or the ttylinux image using FlatDHCP...

2011-02-15 16:49:52,956 ERROR nova.root [-] Exception during message handling
550 (nova.root): TRACE: Traceback (most recent call last):
551 (nova.root): TRACE: File "/usr/lib/pymodules/python2.6/nova/rpc.py", line 192, in receive
552 (nova.root): TRACE: rval = node_func(context=ctxt, **node_args)
553 (nova.root): TRACE: File "/usr/lib/pymodules/python2.6/nova/network/manager.py", line 418, in allocate_fixed_ip
554 (nova.root): TRACE: self.driver.update_dhcp(context, network_ref['id'])
555 (nova.root): TRACE: TypeError: 'NoneType' object is unsubscriptable
556 (nova.root): TRACE:
557 2011-02-15 16:49:52,957 ERROR nova.rpc [-] Returning exception 'NoneType' object is unsubscriptable to caller
558 2011-02-15 16:49:52,957 ERROR nova.rpc [-] ['Traceback (most recent call last):\n', ' File "/usr/lib/pymodules/python2.6/nova/rpc.py", li ne 192, in receive\n rval = node_func(context=ctxt, **node_args)\n', ' File "/usr/lib/pymodules/python2.6/nova/network/manager.py", li ne 418, in allocate_fixed_ip\n self.driver.update_dhcp(context, network_ref[\'id\'])\n', "TypeError: 'NoneType' object is unsubscriptab le\n"]