This isn't a nova issue, there is a problem with the underlying database configuration:
2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections') (Background on this error at: http://sqlalche.me/e/e3q8) Try adjusting the oslo.db related configuration: https://docs.openstack.org/oslo.db/latest/reference/opts.html or mysql configuration, or maybe you need to adjust ulimits? ** Changed in: nova Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1813885 Title: ERROR nova.api.openstack.wsgi Status in OpenStack Compute (nova): Invalid Bug description: 2019-01-30 15:28:10.476 24371 INFO nova.api.openstack.wsgi [req-4b93e227-220b-4758-a100-7ed779da9cc2 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] 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'> 2019-01-30 15:28:10.477 24371 DEBUG nova.api.openstack.wsgi [req-4b93e227-220b-4758-a100-7ed779da9cc2 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] Returning 500 to user: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible. <class 'sqlalchemy.exc.OperationalError'> __call__ /usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py:1077 2019-01-30 15:28:10.478 24371 INFO nova.osapi_compute.wsgi.server [req-4b93e227-220b-4758-a100-7ed779da9cc2 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] 10.254.254.1 "GET /v2.1/os-simple-tenant-usage/d451c7c67f6a4e15856b591b79aa6df7?start=2019-01-29T00:00:00&end=2019-01-30T23:59:59 HTTP/1.1" status: 500 len: 640 time: 0.0175700 2019-01-30 15:28:10.490 24371 DEBUG nova.api.openstack.wsgi [req-183f3b97-9394-41df-a3a4-3a14263c3672 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] Calling method '<function version_select at 0x7f7eb6a65050>' _process_stack /usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py:618 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi [req-183f3b97-9394-41df-a3a4-3a14263c3672 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] Unexpected exception in API method: OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections') (Background on this error at: http://sqlalche.me/e/e3q8) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi Traceback (most recent call last): 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py", line 801, in wrapped 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return f(*args, **kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 192, in wrapper 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/limits.py", line 51, in index 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self._index(req) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/limits.py", line 79, in _index 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi usages=False) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/quota.py", line 1106, in get_project_quotas 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi remains=remains) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/quota.py", line 285, in get_project_quotas 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi context, project_id) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/objects/quotas.py", line 419, in get_all_by_project 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi project_id) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 992, in wrapper 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi with self._transaction_scope(context): 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self.gen.next() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 1042, in _transaction_scope 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi context=context) as resource: 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self.gen.next() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 645, in _session 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi bind=self.connection, mode=self.mode) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 409, in _create_session 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self._start() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 496, in _start 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi engine_args, maker_args) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 520, in _setup_for_connection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi sql_connection=sql_connection, **engine_kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/debtcollector/renames.py", line 43, in decorator 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return wrapped(*args, **kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py", line 202, in create_engine 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi test_conn = _test_connection(engine, max_retries, retry_interval) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py", line 380, in _test_connection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return engine.connect() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2102, in connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self._connection_cls(self, **kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 90, in __init__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi if connection is not None else engine.raw_connection() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2188, in raw_connection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self.pool.unique_connection, _connection) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2162, in _wrap_pool_connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi e, dialect, self) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1472, in _handle_dbapi_exception_noconnection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi util.raise_from_cause(newraise, exc_info) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/compat.py", line 203, in raise_from_cause 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi reraise(type(exception), exception, tb=exc_tb, cause=cause) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 2158, in _wrap_pool_connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return fn() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 345, in unique_connection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return _ConnectionFairy._checkout(self) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 788, in _checkout 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi fairy = _ConnectionRecord.checkout(pool) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 532, in checkout 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi rec = pool._do_get() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 1193, in _do_get 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self._dec_overflow() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/langhelpers.py", line 66, in __exit__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi compat.reraise(exc_type, exc_value, exc_tb) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 1190, in _do_get 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self._create_connection() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 350, in _create_connection 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return _ConnectionRecord(self) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 477, in __init__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self.__connect(first_connect_check=True) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/pool.py", line 671, in __connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi connection = pool._invoke_creator(self) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/strategies.py", line 106, in connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return dialect.connect(*cargs, **cparams) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/default.py", line 410, in connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return self.dbapi.connect(*cargs, **cparams) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/__init__.py", line 94, in Connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi return Connection(*args, **kwargs) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 327, in __init__ 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self.connect() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 598, in connect 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi self._request_authentication() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 862, in _request_authentication 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi auth_packet = self._process_auth(plugin_name, auth_packet) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 933, in _process_auth 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi pkt = self._read_packet() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/connections.py", line 683, in _read_packet 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi packet.check_error() 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/protocol.py", line 220, in check_error 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi err.raise_mysql_exception(self._data) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/pymysql/err.py", line 109, in raise_mysql_exception 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi raise errorclass(errno, errval) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections') (Background on this error at: http://sqlalche.me/e/e3q8) 2019-01-30 15:28:10.497 24371 ERROR nova.api.openstack.wsgi 2019-01-30 15:28:10.500 24371 INFO nova.api.openstack.wsgi [req-183f3b97-9394-41df-a3a4-3a14263c3672 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] 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'> 2019-01-30 15:28:10.500 24371 DEBUG nova.api.openstack.wsgi [req-183f3b97-9394-41df-a3a4-3a14263c3672 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] Returning 500 to user: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible. <class 'sqlalchemy.exc.OperationalError'> __call__ /usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py:1077 2019-01-30 15:28:10.502 24371 INFO nova.osapi_compute.wsgi.server [req-183f3b97-9394-41df-a3a4-3a14263c3672 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] 10.254.254.1 "GET /v2.1/limits?reserved=1 HTTP/1.1" status: 500 len: 638 time: 0.0152109 2019-01-30 15:28:37.231 24363 DEBUG nova.osapi_compute.wsgi.server [req-808dd2f8-2bbe-4b5f-8b56-1ef84b847160 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] (24363) timed out ('10.254.254.1', 55138) process_request /usr/lib/python2.7/site-packages/eventlet/wsgi.py:739 2019-01-30 15:28:37.236 24398 DEBUG nova.osapi_compute.wsgi.server [req-feee6b38-93d7-48f3-b3c5-d74788eb7c0b 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] (24398) timed out ('10.254.254.1', 55132) process_request /usr/lib/python2.7/site-packages/eventlet/wsgi.py:739 2019-01-30 15:28:37.241 24376 DEBUG nova.osapi_compute.wsgi.server [req-be332107-4d44-4388-89a6-e54d0dc5ad50 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] (24376) timed out ('10.254.254.1', 55136) process_request /usr/lib/python2.7/site-packages/eventlet/wsgi.py:739 2019-01-30 15:28:37.278 24354 DEBUG nova.osapi_compute.wsgi.server [req-e161ab75-409e-43ed-b25c-d250800f3b2b 308e45a6e9904a81a148c76917460727 d451c7c67f6a4e15856b591b79aa6df7 - default default] (24354) timed out ('10.254.254.1', 55144) process_request /usr/lib/python2.7/site-packages/eventlet/wsgi.py:739 To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1813885/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
