TRACE Nova attributeerror: ' Module ' object has no attribute ' packs ' workaround

Source: Internet
Author: User

i got the following errors when i was deploying openstack  With devstack.2013-02-28 01:08:28 debug nova.utils [-] backend <module   ' nova.db.sqlalchemy.migration '  from  '/opt/stack/nova/nova/db/sqlalchemy/migration.pyc ' >  from  (pid=27011)  __get_backend /opt/stack/nova/nova/utils.py:506command failed,  please check log for more info2013-02-28 01:09:15 critical nova  [-]  ' module '  object has no attribute  ' packs ' 2013-02-28 01:09:15  trace nova traceback  (most recent call last): 2013-02-28 01:09:15 trace  nova File  "/opt/stack/nova/bin/nova-manage", line 1404, in <module> 2013-02-28 01:09:15 trace nova main () 2013-02-28 01:09:15 trace nova  file  "/opt/stack/nova/Bin/nova-manage ", line 1392, in main2013-02-28 01:09:15 trace nova  Rpc.cleanup () 2013-02-28 01:09:15 trace nova file  "/opt/stack/nova/nova/openstack/ common/rpc/__init__.py ",  line 203, in cleanup2013-02-28 01:09:15 trace nova  return _get_impl (). Cleanup () 2013-02-28 01:09:15 trace nova file  "/opt/ stack/nova/nova/openstack/common/rpc/__init__.py ", line 264, in _get_impl2013-02-28  01:09:15 trace nova _rpcimpl = importutils.import_module (CFG. Conf.rpc_backend) 2013-02-28 01:09:15 trace nova file  "/opt/stack/nova/nova/openstack/ common/importutils.py ", line 58, in import_module2013-02-28 01:09:15 trace  nova __import__ (IMPORT_STR) 2013-02-28 01:09:15 trace nova file  "/opt/stack/nova/ nova/openstack/common/rpc/impl_kombu.py ",  line 30, in <module>2013-02-28 01:09:15 trace nova import  kombu.messaging2013-02-28 01:09:15 trace nova file  "/usr/lib/python2.7/site-packages/ kombu/messaging.py ", line 15, in <module>2013-02-28 01:09:15 trace  Nova from kombu.serialization import encode2013-02-28 01:09:15 trace nova  File  "/usr/lib/python2.7/site-packages/kombu/serialization.py", line 300, in  <module>2013-02-28 01:09:15 trace nova register_msgpack () 2013-02-28 01:09:15  TRACE nova File  "/usr/lib/python2.7/site-packages/kombu/serialization.py",  line  282, in register_msgpack2013-02-28 01:09:15 trace nova registry.register (' Msgpack ', msgpack.packs, msgpack.unpacks,2013-02-28 01:09:15 trace nova  attributeerror:  ' module '  object has no attribute  ' packs ' 2013-02-28 01:09:15 trace nova++ failed++  local r=1+++ jobs -p++ kill++ set +o xtrace
Workaround: 1, yun -y install msgpack-python2,modif vim /usr/lib/python2.6/ Site-packages/kombu-1.1.3-py2.6.egg/kombu/serialization.py    278 def register_ Msgpack ():    279  "" "see http://msgpack.sourceforge.net/" ""      280 try:    281 import msgpack    282 # Registry.register (' Msgpack ',  msgpack.packs, msgpack.unpacks, #修改msgpack .pack     283 registry.register (' Msgpack ', msgpack.pack, msgpack.unpack,    284  Content_type= ' Application/x-msgpack ',     285 content_encoding= ' binary ')      286 except importerror:    287    288 def  not_available (*args, **kwargs):    289  "" "In case a client  receives a msgpack&nbSp;message, but yaml    290 isn ' t installed. ' "" "     291 raise serializernotinstalled (    292  "no  decoder installed for msgpack.  "    293 " install the  Msgpack library ")     294 registry.register (' Msgpack ',  None, not_ available,    295  ' Application/x-msgpack ')


This article from "Welcome comments, Welcome to like" blog, please be sure to keep this source http://swq499809608.blog.51cto.com/797714/1630492

TRACE Nova attributeerror: ' Module ' object has no attribute ' packs ' workaround

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.