Public bug reported:
Devstack installtion with local.conf,
[[local|localrc]]
ADMIN_PASSWORD=secrete
DATABASE_PASSWORD=secrete
RABBIT_PASSWORD=secrete
SERVICE_PASSWORD=secrete
SERVICE_TOKEN=a682f596-76f3-11e3-b3b2-e716f9080d50
#FIXED_RANGE=172.31.1.0/24
#FLOATING_RANGE=192.168.20.0/25
#HOST_IP=10.3.4.5
ENABLED_SERVICES+=,n-cell
installs a devstack with a child cell (with name child) and a parent
cell. It's possible to create a server in it.
When issued the command nova cell-show child, it throws exception,
ERROR (ClientException): The server has either erred or is incapable of
performing the requested operation. (HTTP 500) (Request-ID: req-
5df5470a-5135-4cca-b301-238b0a9ce7c2)
The relevant stack trace is as follows,
2014-10-21 13:21:34.375 ERROR oslo.messaging.rpc.dispatcher [-] Exception
during message handling: Circular reference detected
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher Traceback (most
recent call last):
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
self._send_reply(conn, reply, failure, log_failure=log_failure)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
conn.direct_send(self.reply_q, rpc_common.serialize_msg(msg))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher _MESSAGE_KEY:
jsonutils.dumps(raw_msg)}
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
json.dumps(value, default=default, **kwargs)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/__init__.py", line 250, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
sort_keys=sort_keys, **kw).encode(obj)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher chunks =
self.iterencode(o, _one_shot=True)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
_iterencode(o, 0)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher ValueError:
Circular reference detected
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] Returning
exception Circular reference detected to caller
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] ['Traceback
(most recent call last):\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply\n incoming.message))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply\n self._send_reply(conn, reply, failure,
log_failure=log_failure)\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply\n conn.direct_send(self.reply_q,
rpc_common.serialize_msg(msg))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg\n _MESSAGE_KEY: jsonutils.dumps(raw_msg)}\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps\n return json.dumps(value, default=default,
**kwargs)\n', ' File "/usr/lib64/python2.7/json/__init__.py", line 250, in
dumps\n sort_keys=sort_keys, **kw).encode(obj)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode\n chunks =
self.iterencode(o, _one_shot=True)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode\n return
_iterencode(o, 0)\n', 'ValueError: Circular reference detected\n']
** Affects: nova
Importance: Undecided
Assignee: Vineet Menon (mvineetmenon)
Status: New
** Tags: cells
** Changed in: nova
Assignee: (unassigned) => Vineet Menon (mvineetmenon)
** Description changed:
Devstack installtion with local.conf,
[[local|localrc]]
- ADMIN_PASSWORD=secrete
- DATABASE_PASSWORD=secrete
- RABBIT_PASSWORD=secrete
- SERVICE_PASSWORD=secrete
- SERVICE_TOKEN=a682f596-76f3-11e3-b3b2-e716f9080d50
- #FIXED_RANGE=172.31.1.0/24
- #FLOATING_RANGE=192.168.20.0/25
- #HOST_IP=10.3.4.5
+ ADMIN_PASSWORD=secrete
+ DATABASE_PASSWORD=secrete
+ RABBIT_PASSWORD=secrete
+ SERVICE_PASSWORD=secrete
+ SERVICE_TOKEN=a682f596-76f3-11e3-b3b2-e716f9080d50
+ #FIXED_RANGE=172.31.1.0/24
+ #FLOATING_RANGE=192.168.20.0/25
+ #HOST_IP=10.3.4.5
- ENABLED_SERVICES+=,n-cell
+ ENABLED_SERVICES+=,n-cell
installs a devstack with a child cell (with name child) and a parent
cell. It's possible to create a server in it.
When issued the command nova cell-show child, it throws exception,
-
- ERROR (ClientException): The server has either erred or is incapable of
performing the requested operation. (HTTP 500) (Request-ID:
req-5df5470a-5135-4cca-b301-238b0a9ce7c2)
+
+ ERROR (ClientException): The server has either erred or is incapable of
+ performing the requested operation. (HTTP 500) (Request-ID: req-
+ 5df5470a-5135-4cca-b301-238b0a9ce7c2)
The relevant stack trace is as follows,
2014-10-21 13:21:34.375 ERROR oslo.messaging.rpc.dispatcher [-] Exception
during message handling: Circular reference detected
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher Traceback (most
recent call last):
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
self._send_reply(conn, reply, failure, log_failure=log_failure)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
conn.direct_send(self.reply_q, rpc_common.serialize_msg(msg))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher _MESSAGE_KEY:
jsonutils.dumps(raw_msg)}
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
json.dumps(value, default=default, **kwargs)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/__init__.py", line 250, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
sort_keys=sort_keys, **kw).encode(obj)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher chunks =
self.iterencode(o, _one_shot=True)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
_iterencode(o, 0)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher ValueError:
Circular reference detected
- 2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
+ 2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] Returning
exception Circular reference detected to caller
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] ['Traceback
(most recent call last):\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply\n incoming.message))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply\n self._send_reply(conn, reply, failure,
log_failure=log_failure)\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply\n conn.direct_send(self.reply_q,
rpc_common.serialize_msg(msg))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg\n _MESSAGE_KEY: jsonutils.dumps(raw_msg)}\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps\n return json.dumps(value, default=default,
**kwargs)\n', ' File "/usr/lib64/python2.7/json/__init__.py", line 250, in
dumps\n sort_keys=sort_keys, **kw).encode(obj)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode\n chunks =
self.iterencode(o, _one_shot=True)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode\n return
_iterencode(o, 0)\n', 'ValueError: Circular reference detected\n']
** Summary changed:
- Devstack installation with cells, breaks on nova cell-show command
+ Devstack installation with cells, throws 'circular-reference detected' on
nova cell-show command
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https://bugs.launchpad.net/bugs/1383715
Title:
Devstack installation with cells, throws 'circular-reference detected'
on nova cell-show command
Status in OpenStack Compute (Nova):
New
Bug description:
Devstack installtion with local.conf,
[[local|localrc]]
ADMIN_PASSWORD=secrete
DATABASE_PASSWORD=secrete
RABBIT_PASSWORD=secrete
SERVICE_PASSWORD=secrete
SERVICE_TOKEN=a682f596-76f3-11e3-b3b2-e716f9080d50
#FIXED_RANGE=172.31.1.0/24
#FLOATING_RANGE=192.168.20.0/25
#HOST_IP=10.3.4.5
ENABLED_SERVICES+=,n-cell
installs a devstack with a child cell (with name child) and a parent
cell. It's possible to create a server in it.
When issued the command nova cell-show child, it throws exception,
ERROR (ClientException): The server has either erred or is incapable
of performing the requested operation. (HTTP 500) (Request-ID: req-
5df5470a-5135-4cca-b301-238b0a9ce7c2)
The relevant stack trace is as follows,
2014-10-21 13:21:34.375 ERROR oslo.messaging.rpc.dispatcher [-] Exception
during message handling: Circular reference detected
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher Traceback (most
recent call last):
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
self._send_reply(conn, reply, failure, log_failure=log_failure)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
conn.direct_send(self.reply_q, rpc_common.serialize_msg(msg))
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher _MESSAGE_KEY:
jsonutils.dumps(raw_msg)}
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
json.dumps(value, default=default, **kwargs)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/__init__.py", line 250, in dumps
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
sort_keys=sort_keys, **kw).encode(obj)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher chunks =
self.iterencode(o, _one_shot=True)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher return
_iterencode(o, 0)
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher ValueError:
Circular reference detected
2014-10-21 13:21:34.375 TRACE oslo.messaging.rpc.dispatcher
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] Returning
exception Circular reference detected to caller
2014-10-21 13:21:34.377 ERROR oslo.messaging._drivers.common [-] ['Traceback
(most recent call last):\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/rpc/dispatcher.py", line 134,
in _dispatch_and_reply\n incoming.message))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
72, in reply\n self._send_reply(conn, reply, failure,
log_failure=log_failure)\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py", line
62, in _send_reply\n conn.direct_send(self.reply_q,
rpc_common.serialize_msg(msg))\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/_drivers/common.py", line 302,
in serialize_msg\n _MESSAGE_KEY: jsonutils.dumps(raw_msg)}\n', ' File
"/usr/lib/python2.7/site-packages/oslo/messaging/openstack/common/jsonutils.py",
line 172, in dumps\n return json.dumps(value, default=default,
**kwargs)\n', ' File "/usr/lib64/python2.7/json/__init__.py", line 250, in
dumps\n sort_keys=sort_keys, **kw).encode(obj)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 207, in encode\n chunks =
self.iterencode(o, _one_shot=True)\n', ' File
"/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode\n return
_iterencode(o, 0)\n', 'ValueError: Circular reference detected\n']
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