[Mon Feb 23 09:02:28.185077 2026] [wsgi:error] [pid 23:tid 23] [client 172.17.0.104:52738] Timeout when reading response headers from daemon process 'placement-api': /var/www/cgi-bin/placement/placement-api [Mon Feb 23 09:02:56.597594 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] mod_wsgi (pid=16): Failed to exec Python script file '/var/www/cgi-bin/placement/placement-api'. [Mon Feb 23 09:02:56.597645 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] mod_wsgi (pid=16): Exception occurred processing WSGI script '/var/www/cgi-bin/placement/placement-api'. [Mon Feb 23 09:02:56.599650 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] Traceback (most recent call last): [Mon Feb 23 09:02:56.599701 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 2336, in _wrap_pool_connect [Mon Feb 23 09:02:56.599705 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return fn() [Mon Feb 23 09:02:56.599708 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 304, in unique_connection [Mon Feb 23 09:02:56.599710 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return _ConnectionFairy._checkout(self) [Mon Feb 23 09:02:56.599713 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 778, in _checkout [Mon Feb 23 09:02:56.599715 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] fairy = _ConnectionRecord.checkout(pool) [Mon Feb 23 09:02:56.599718 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 495, in checkout [Mon Feb 23 09:02:56.599720 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] rec = pool._do_get() [Mon Feb 23 09:02:56.599723 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/impl.py", line 140, in _do_get [Mon Feb 23 09:02:56.599725 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._dec_overflow() [Mon Feb 23 09:02:56.599728 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__ [Mon Feb 23 09:02:56.599730 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] compat.raise_( [Mon Feb 23 09:02:56.599733 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/compat.py", line 182, in raise_ [Mon Feb 23 09:02:56.599735 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise exception [Mon Feb 23 09:02:56.599737 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/impl.py", line 137, in _do_get [Mon Feb 23 09:02:56.599739 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self._create_connection() [Mon Feb 23 09:02:56.599742 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 309, in _create_connection [Mon Feb 23 09:02:56.599744 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return _ConnectionRecord(self) [Mon Feb 23 09:02:56.599747 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 440, in __init__ [Mon Feb 23 09:02:56.599749 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.__connect(first_connect_check=True) [Mon Feb 23 09:02:56.599752 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 661, in __connect [Mon Feb 23 09:02:56.599754 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] pool.logger.debug("Error on connect(): %s", e) [Mon Feb 23 09:02:56.599766 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__ [Mon Feb 23 09:02:56.599768 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] compat.raise_( [Mon Feb 23 09:02:56.599771 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/compat.py", line 182, in raise_ [Mon Feb 23 09:02:56.599773 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise exception [Mon Feb 23 09:02:56.599775 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 656, in __connect [Mon Feb 23 09:02:56.599777 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] connection = pool._invoke_creator(self) [Mon Feb 23 09:02:56.599780 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/strategies.py", line 114, in connect [Mon Feb 23 09:02:56.599782 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return dialect.connect(*cargs, **cparams) [Mon Feb 23 09:02:56.599785 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/default.py", line 508, in connect [Mon Feb 23 09:02:56.599787 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self.dbapi.connect(*cargs, **cparams) [Mon Feb 23 09:02:56.599790 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/__init__.py", line 94, in Connect [Mon Feb 23 09:02:56.599792 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return Connection(*args, **kwargs) [Mon Feb 23 09:02:56.599794 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 327, in __init__ [Mon Feb 23 09:02:56.599796 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.connect() [Mon Feb 23 09:02:56.599799 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 587, in connect [Mon Feb 23 09:02:56.599801 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._get_server_information() [Mon Feb 23 09:02:56.599804 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 969, in _get_server_information [Mon Feb 23 09:02:56.599806 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] packet = self._read_packet() [Mon Feb 23 09:02:56.599809 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 646, in _read_packet [Mon Feb 23 09:02:56.599811 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] packet_header = self._read_bytes(4) [Mon Feb 23 09:02:56.599813 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 698, in _read_bytes [Mon Feb 23 09:02:56.599815 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise err.OperationalError( [Mon Feb 23 09:02:56.599825 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query') [Mon Feb 23 09:02:56.599829 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] [Mon Feb 23 09:02:56.599830 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] The above exception was the direct cause of the following exception: [Mon Feb 23 09:02:56.599832 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] [Mon Feb 23 09:02:56.599835 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] Traceback (most recent call last): [Mon Feb 23 09:02:56.599948 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/var/www/cgi-bin/placement/placement-api", line 52, in [Mon Feb 23 09:02:56.599954 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] application = init_application() [Mon Feb 23 09:02:56.599957 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/placement/wsgi.py", line 147, in init_application [Mon Feb 23 09:02:56.599959 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return deploy.loadapp(config) [Mon Feb 23 09:02:56.599962 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/placement/deploy.py", line 154, in loadapp [Mon Feb 23 09:02:56.599964 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] update_database(config) [Mon Feb 23 09:02:56.599967 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/placement/deploy.py", line 133, in update_database [Mon Feb 23 09:02:56.599969 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] trait.ensure_sync(ctx) [Mon Feb 23 09:02:56.599971 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/placement/objects/trait.py", line 144, in ensure_sync [Mon Feb 23 09:02:56.599973 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] _trait_sync(ctx) [Mon Feb 23 09:02:56.599976 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/api.py", line 154, in wrapper [Mon Feb 23 09:02:56.599978 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] ectxt.value = e.inner_exc [Mon Feb 23 09:02:56.599981 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_utils/excutils.py", line 227, in __exit__ [Mon Feb 23 09:02:56.599983 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.force_reraise() [Mon Feb 23 09:02:56.599985 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_utils/excutils.py", line 200, in force_reraise [Mon Feb 23 09:02:56.599987 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise self.value [Mon Feb 23 09:02:56.599990 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/api.py", line 142, in wrapper [Mon Feb 23 09:02:56.599992 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return f(*args, **kwargs) [Mon Feb 23 09:02:56.599995 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 1013, in wrapper [Mon Feb 23 09:02:56.599997 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] with self._transaction_scope(context): [Mon Feb 23 09:02:56.599999 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/contextlib.py", line 119, in __enter__ [Mon Feb 23 09:02:56.600001 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return next(self.gen) [Mon Feb 23 09:02:56.600004 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 1058, in _transaction_scope [Mon Feb 23 09:02:56.600006 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] with current._produce_block( [Mon Feb 23 09:02:56.600009 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/contextlib.py", line 119, in __enter__ [Mon Feb 23 09:02:56.600011 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return next(self.gen) [Mon Feb 23 09:02:56.600014 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 657, in _session [Mon Feb 23 09:02:56.600016 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.session = self.factory._create_session( [Mon Feb 23 09:02:56.600020 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 418, in _create_session [Mon Feb 23 09:02:56.600022 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._start() [Mon Feb 23 09:02:56.600025 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 508, in _start [Mon Feb 23 09:02:56.600027 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._setup_for_connection( [Mon Feb 23 09:02:56.600029 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/enginefacade.py", line 533, in _setup_for_connection [Mon Feb 23 09:02:56.600045 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] engine = engines.create_engine( [Mon Feb 23 09:02:56.600049 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/debtcollector/renames.py", line 43, in decorator [Mon Feb 23 09:02:56.600052 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return wrapped(*args, **kwargs) [Mon Feb 23 09:02:56.600056 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/engines.py", line 211, in create_engine [Mon Feb 23 09:02:56.600059 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] test_conn = _test_connection(engine, max_retries, retry_interval) [Mon Feb 23 09:02:56.600067 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/engines.py", line 394, in _test_connection [Mon Feb 23 09:02:56.600069 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise de_ref [Mon Feb 23 09:02:56.600073 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/oslo_db/sqlalchemy/engines.py", line 386, in _test_connection [Mon Feb 23 09:02:56.600076 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return engine.connect() [Mon Feb 23 09:02:56.600080 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 2263, in connect [Mon Feb 23 09:02:56.600082 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self._connection_cls(self, **kwargs) [Mon Feb 23 09:02:56.600085 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 104, in __init__ [Mon Feb 23 09:02:56.600087 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] else engine.raw_connection() [Mon Feb 23 09:02:56.600090 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 2369, in raw_connection [Mon Feb 23 09:02:56.600092 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self._wrap_pool_connect( [Mon Feb 23 09:02:56.600095 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 2339, in _wrap_pool_connect [Mon Feb 23 09:02:56.600097 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] Connection._handle_dbapi_exception_noconnection( [Mon Feb 23 09:02:56.600099 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 1581, in _handle_dbapi_exception_noconnection [Mon Feb 23 09:02:56.600102 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] util.raise_(newraise, with_traceback=exc_info[2], from_=e) [Mon Feb 23 09:02:56.600104 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/compat.py", line 182, in raise_ [Mon Feb 23 09:02:56.600109 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise exception [Mon Feb 23 09:02:56.600112 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/base.py", line 2336, in _wrap_pool_connect [Mon Feb 23 09:02:56.600114 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return fn() [Mon Feb 23 09:02:56.600117 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 304, in unique_connection [Mon Feb 23 09:02:56.600119 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return _ConnectionFairy._checkout(self) [Mon Feb 23 09:02:56.600121 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 778, in _checkout [Mon Feb 23 09:02:56.600123 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] fairy = _ConnectionRecord.checkout(pool) [Mon Feb 23 09:02:56.600126 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 495, in checkout [Mon Feb 23 09:02:56.600128 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] rec = pool._do_get() [Mon Feb 23 09:02:56.600131 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/impl.py", line 140, in _do_get [Mon Feb 23 09:02:56.600133 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._dec_overflow() [Mon Feb 23 09:02:56.600135 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__ [Mon Feb 23 09:02:56.600138 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] compat.raise_( [Mon Feb 23 09:02:56.600140 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/compat.py", line 182, in raise_ [Mon Feb 23 09:02:56.600142 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise exception [Mon Feb 23 09:02:56.600145 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/impl.py", line 137, in _do_get [Mon Feb 23 09:02:56.600147 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self._create_connection() [Mon Feb 23 09:02:56.600150 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 309, in _create_connection [Mon Feb 23 09:02:56.600152 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return _ConnectionRecord(self) [Mon Feb 23 09:02:56.600154 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 440, in __init__ [Mon Feb 23 09:02:56.600156 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.__connect(first_connect_check=True) [Mon Feb 23 09:02:56.600159 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 661, in __connect [Mon Feb 23 09:02:56.600161 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] pool.logger.debug("Error on connect(): %s", e) [Mon Feb 23 09:02:56.600164 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/langhelpers.py", line 68, in __exit__ [Mon Feb 23 09:02:56.600166 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] compat.raise_( [Mon Feb 23 09:02:56.600168 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/util/compat.py", line 182, in raise_ [Mon Feb 23 09:02:56.600170 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise exception [Mon Feb 23 09:02:56.600175 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/pool/base.py", line 656, in __connect [Mon Feb 23 09:02:56.600177 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] connection = pool._invoke_creator(self) [Mon Feb 23 09:02:56.600180 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/strategies.py", line 114, in connect [Mon Feb 23 09:02:56.600182 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return dialect.connect(*cargs, **cparams) [Mon Feb 23 09:02:56.600185 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib64/python3.9/site-packages/sqlalchemy/engine/default.py", line 508, in connect [Mon Feb 23 09:02:56.600187 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return self.dbapi.connect(*cargs, **cparams) [Mon Feb 23 09:02:56.600190 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/__init__.py", line 94, in Connect [Mon Feb 23 09:02:56.600192 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] return Connection(*args, **kwargs) [Mon Feb 23 09:02:56.600194 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 327, in __init__ [Mon Feb 23 09:02:56.600196 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self.connect() [Mon Feb 23 09:02:56.600199 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 587, in connect [Mon Feb 23 09:02:56.600201 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] self._get_server_information() [Mon Feb 23 09:02:56.600204 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 969, in _get_server_information [Mon Feb 23 09:02:56.600206 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] packet = self._read_packet() [Mon Feb 23 09:02:56.600208 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 646, in _read_packet [Mon Feb 23 09:02:56.600210 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] packet_header = self._read_bytes(4) [Mon Feb 23 09:02:56.600213 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] File "/usr/lib/python3.9/site-packages/pymysql/connections.py", line 698, in _read_bytes [Mon Feb 23 09:02:56.600215 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] raise err.OperationalError( [Mon Feb 23 09:02:56.600223 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query') [Mon Feb 23 09:02:56.600225 2026] [wsgi:error] [pid 16:tid 27] [remote 172.17.0.104:52738] (Background on this error at: http://sqlalche.me/e/13/e3q8)