[Expired for neutron because there has been no activity for 60 days.]
** Changed in: neutron
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1776896
Title:
Database connection was found disconnected; reconnecting:
DBConnectionError
Status in neutron:
Expired
Bug description:
openstack version:queens
neutron-server and glance-api service log:
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
[req-d79c92f7-9fe7-49fa-9fac-4e9e34c6b01e - - - - -] Database connection was
found disconnected; reconnecting: DBConnectionError:
(pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during
query') [SQL: u'SELECT 1'] (Background on this error at:
http://sqlalche.me/e/e3q8)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines Traceback (most
recent call last):
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py", line 73, in
_connect_ping_listener
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
connection.scalar(select([1]))
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 880, in
scalar
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines return
self.execute(object, *multiparams, **params).scalar()
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 948, in
execute
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines return
meth(self, multiparams, params)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/sql/elements.py", line 269, in
_execute_on_connection
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines return
connection._execute_clauseelement(self, multiparams, params)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1060, in
_execute_clauseelement
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines compiled_sql,
distilled_params
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1200, in
_execute_context
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines context)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1409, in
_handle_dbapi_exception
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
util.raise_from_cause(newraise, exc_info)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/util/compat.py", line 203, in
raise_from_cause
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
reraise(type(exception), exception, tb=exc_tb, cause=cause)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line 1193, in
_execute_context
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines context)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib64/python2.7/site-packages/sqlalchemy/engine/default.py", line 507, in
do_execute
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
cursor.execute(statement, parameters)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/cursors.py", line 166, in execute
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines result =
self._query(query)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/cursors.py", line 322, in _query
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines conn.query(q)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/connections.py", line 856, in query
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
self._affected_rows = self._read_query_result(unbuffered=unbuffered)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/connections.py", line 1057, in
_read_query_result
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines result.read()
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/connections.py", line 1340, in read
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines first_packet =
self.connection._read_packet()
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/connections.py", line 987, in
_read_packet
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines packet_header =
self._read_bytes(4)
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines File
"/usr/lib/python2.7/site-packages/pymysql/connections.py", line 1033, in
_read_bytes
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
CR.CR_SERVER_LOST, "Lost connection to MySQL server during query")
2018-06-14 18:51:55.045 2675 ERROR oslo_db.sqlalchemy.engines
DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to
MySQL server during query') [SQL: u'SELECT 1'] (Background on this error at:
http://sqlalche.me/e/e3q8)
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