Public bug reported:
Request to be served by nova fails with operational error:
For reference adding floating ip to the server
Input task :
Rally:
"NovaServers.bootvm_userdata_test_snat": [
{
"runner": {
"type": "constant",
"concurrency": 7,
"times": 22
},
Below traces can be found: req-d5bc233e-d1de-45d8-a353-c17ced17cd63
2017-04-28 11:20:50.598 21334 DEBUG nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Action: 'action', calling method: <bound method
FloatingIPActionController._add_floating_ip of
<nova.api.openstack.compute.floating_ips.FloatingIPActionController object at
0x7f0e421a8750>>, body: {"addFloatingIp": {"fixed_address": "1.2.44.3",
"address": "61.26.96.145"}} _process_stack
/opt/stack/nova/nova/api/openstack/wsgi.py:623
2017-04-28 11:20:50.601 21334 DEBUG nova.compute.api
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] [instance: c57cddc2-3aed-4c47-99b0-6f3ac16015b2]
Fetching instance by UUID get /opt/stack/nova/nova/compute/api.py:2352
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Unexpected exception in API method
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions Traceback
(most recent call last):
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/extensions.py", line 338, in wrapped
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/validation/__init__.py", line 108, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/compute/floating_ips.py", line 223, in
_add_floating_ip
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs=['flavor'])
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/common.py", line 481, in get_instance
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs=expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/compute/api.py", line 2355, in get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/compute/api.py", line 2315, in _get_instance
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions context,
instance_uuid, expected_attrs=expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line
184, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions result =
fn(cls, context, *args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/objects/instance.py", line 463, in get_by_uuid
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
use_slave=use_slave)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/db/sqlalchemy/api.py", line 235, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions with
reader_mode.using(context):
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.gen.next()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 944, in _transaction_scope
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
allow_async=self._allow_async) as resource:
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.gen.next()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 558, in _session
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
bind=self.connection, mode=self.mode)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 317, in _create_session
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._start()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 403, in _start
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
engine_args, maker_args)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 427, in _setup_for_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
sql_connection=sql_connection, **engine_kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py", line
155, in create_engine
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions test_conn
= _test_connection(engine, max_retries, retry_interval)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py", line
331, in _test_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
engine.connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2018,
in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self._connection_cls(self, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 72, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions if
connection is not None else engine.raw_connection()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2104,
in raw_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.pool.unique_connection, _connection)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2078,
in _wrap_pool_connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions e,
dialect, self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1401,
in _handle_dbapi_exception_noconnection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
util.raise_from_cause(newraise, exc_info)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 203,
in raise_from_cause
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
reraise(type(exception), exception, tb=exc_tb, cause=cause)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2074,
in _wrap_pool_connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
fn()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 318, in
unique_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
_ConnectionFairy._checkout(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 713, in
_checkout
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions fairy =
_ConnectionRecord.checkout(pool)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 480, in
checkout
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions rec =
pool._do_get()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 1060, in
_do_get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._dec_overflow()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line
60, in __exit__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
compat.reraise(exc_type, exc_value, exc_tb)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 1057, in
_do_get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self._create_connection()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 323, in
_create_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
_ConnectionRecord(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 449, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.connection = self.__connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 607, in
__connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
connection = self.__pool._invoke_creator(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/strategies.py", line
97, in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
dialect.connect(*cargs, **cparams)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line
385, in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.dbapi.connect(*cargs, **cparams)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/__init__.py", line 90, in
Connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
Connection(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 688, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 905, in
connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._get_server_information()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 1207, in
_get_server_information
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions packet =
self._read_packet()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 981, in
_read_packet
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
packet.check_error()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 393, in
check_error
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
err.raise_mysql_exception(self._data)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/err.py", line 107, in
raise_mysql_exception
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions raise
errorclass(errno, errval)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections')
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
2017-04-28 11:20:50.613 21334 INFO nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] HTTP exception thrown: Unexpected API Error. Please
report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
<class 'sqlalchemy.exc.OperationalError'>
2017-04-28 11:20:50.614 21334 DEBUG nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Returning 500 to user: Unexpected API Error. Please
report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
At several stages this error is found in the logs.
Reuestid : req-25c9aee8-8713-4b6a-8f10-1b79a44c598c
Openstack branch : stable/ocata
Ubuntu controller version : 16.04.2
Hypervisor : KVM
stack@ocatacont:~/nsbu_cqe_openstack/devstack$ pip freeze | grep nova
-e
git+https://git.openstack.org//openstack/nova.git@506465a027dd1ba1c90949dc58297edae32da7e4#egg=nova
python-novaclient==7.1.0
** Affects: nova
Importance: Undecided
Status: New
** Attachment added: "n-api.log.zip"
https://bugs.launchpad.net/bugs/1688220/+attachment/4871829/+files/n-api.log.zip
--
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1688220
Title:
Operational error thrown by nova-api while serving the request
Status in OpenStack Compute (nova):
New
Bug description:
Request to be served by nova fails with operational error:
For reference adding floating ip to the server
Input task :
Rally:
"NovaServers.bootvm_userdata_test_snat": [
{
"runner": {
"type": "constant",
"concurrency": 7,
"times": 22
},
Below traces can be found: req-d5bc233e-d1de-45d8-a353-c17ced17cd63
2017-04-28 11:20:50.598 21334 DEBUG nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Action: 'action', calling method: <bound method
FloatingIPActionController._add_floating_ip of
<nova.api.openstack.compute.floating_ips.FloatingIPActionController object at
0x7f0e421a8750>>, body: {"addFloatingIp": {"fixed_address": "1.2.44.3",
"address": "61.26.96.145"}} _process_stack
/opt/stack/nova/nova/api/openstack/wsgi.py:623
2017-04-28 11:20:50.601 21334 DEBUG nova.compute.api
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] [instance: c57cddc2-3aed-4c47-99b0-6f3ac16015b2]
Fetching instance by UUID get /opt/stack/nova/nova/compute/api.py:2352
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Unexpected exception in API method
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions Traceback
(most recent call last):
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/extensions.py", line 338, in wrapped
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
f(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/validation/__init__.py", line 108, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
func(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/compute/floating_ips.py", line 223, in
_add_floating_ip
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs=['flavor'])
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/api/openstack/common.py", line 481, in get_instance
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs=expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/compute/api.py", line 2355, in get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/compute/api.py", line 2315, in _get_instance
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
context, instance_uuid, expected_attrs=expected_attrs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line
184, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions result
= fn(cls, context, *args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/objects/instance.py", line 463, in get_by_uuid
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
use_slave=use_slave)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/opt/stack/nova/nova/db/sqlalchemy/api.py", line 235, in wrapper
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions with
reader_mode.using(context):
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.gen.next()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 944, in _transaction_scope
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
allow_async=self._allow_async) as resource:
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/lib/python2.7/contextlib.py", line 17, in __enter__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.gen.next()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 558, in _session
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
bind=self.connection, mode=self.mode)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 317, in _create_session
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._start()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 403, in _start
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
engine_args, maker_args)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/enginefacade.py",
line 427, in _setup_for_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
sql_connection=sql_connection, **engine_kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py", line
155, in create_engine
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
test_conn = _test_connection(engine, max_retries, retry_interval)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py", line
331, in _test_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
engine.connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2018,
in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self._connection_cls(self, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 72, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions if
connection is not None else engine.raw_connection()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2104,
in raw_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.pool.unique_connection, _connection)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2078,
in _wrap_pool_connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions e,
dialect, self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1401,
in _handle_dbapi_exception_noconnection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
util.raise_from_cause(newraise, exc_info)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 203,
in raise_from_cause
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
reraise(type(exception), exception, tb=exc_tb, cause=cause)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2074,
in _wrap_pool_connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
fn()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 318, in
unique_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
_ConnectionFairy._checkout(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 713, in
_checkout
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions fairy =
_ConnectionRecord.checkout(pool)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 480, in
checkout
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions rec =
pool._do_get()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 1060, in
_do_get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._dec_overflow()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line
60, in __exit__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
compat.reraise(exc_type, exc_value, exc_tb)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 1057, in
_do_get
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self._create_connection()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 323, in
_create_connection
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
_ConnectionRecord(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 449, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.connection = self.__connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 607, in
__connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
connection = self.__pool._invoke_creator(self)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/strategies.py", line
97, in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
dialect.connect(*cargs, **cparams)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line
385, in connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
self.dbapi.connect(*cargs, **cparams)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/__init__.py", line 90, in
Connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions return
Connection(*args, **kwargs)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 688, in
__init__
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self.connect()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 905, in
connect
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
self._get_server_information()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 1207, in
_get_server_information
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions packet
= self._read_packet()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 981, in
_read_packet
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
packet.check_error()
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/connections.py", line 393, in
check_error
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
err.raise_mysql_exception(self._data)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions File
"/usr/local/lib/python2.7/dist-packages/pymysql/err.py", line 107, in
raise_mysql_exception
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions raise
errorclass(errno, errval)
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections')
2017-04-28 11:20:50.609 21334 ERROR nova.api.openstack.extensions
2017-04-28 11:20:50.613 21334 INFO nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] HTTP exception thrown: Unexpected API Error. Please
report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
<class 'sqlalchemy.exc.OperationalError'>
2017-04-28 11:20:50.614 21334 DEBUG nova.api.openstack.wsgi
[req-d5bc233e-d1de-45d8-a353-c17ced17cd63 c_rally_46c61b3d_hnwpef3T
c_rally_46c61b3d_aYPvYjVl] Returning 500 to user: Unexpected API Error. Please
report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
At several stages this error is found in the logs.
Reuestid : req-25c9aee8-8713-4b6a-8f10-1b79a44c598c
Openstack branch : stable/ocata
Ubuntu controller version : 16.04.2
Hypervisor : KVM
stack@ocatacont:~/nsbu_cqe_openstack/devstack$ pip freeze | grep nova
-e
git+https://git.openstack.org//openstack/nova.git@506465a027dd1ba1c90949dc58297edae32da7e4#egg=nova
python-novaclient==7.1.0
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