Traceback (most recent call first): [44/1997]
<built-in method __enter__ of _thread.lock object at remote 0x7f8e021156c0>
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/event/attr.py", line 284, in exec_once
with self._exec_once_mutex:
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 649, in __connect
).exec_once(self.connection, self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 437, in __init__
self.__connect(first_connect_check=True)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 308, in _create_connection
return _ConnectionRecord(self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/impl.py", line 238, in _do_get
return self._create_connection()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 492, in checkout
rec = pool._do_get()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 760, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 303, in unique_connection
return _ConnectionFairy._checkout(self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 2265, in _wrap_pool_connect
return fn()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 2296, in raw_connection
self.pool.unique_connection, _connection
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 466, in _revalidate_connection
self.__connection = self.engine.raw_connection(_connection=self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 388, in connection
return self._revalidate_connection()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 347, in check_unicode
cursor = connection.connection.cursor()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 379, in <setcomp>
results = {check_unicode(test) for test in tests}
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 379, in _check_unicode_returns
results = {check_unicode(test) for test in tests}
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/dialects/mysql/mysqldb.py", line 163, in _check_unicode_returns
connection, additional_tests
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 309, in initialize
self.returns_unicode_strings = self._check_unicode_returns(connection)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/dialects/mysql/base.py", line 2383, in initialize
default.DefaultDialect.initialize(self, connection)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/strategies.py", line 199, in first_connect
dialect.initialize(c)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/util/langhelpers.py", line 1443, in go
return once_fn(*arg, **kw)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/event/attr.py", line 297, in __call__
fn(*args, **kw)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/event/attr.py", line 287, in exec_once
self(*args, **kw)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 649, in __connect
).exec_once(self.connection, self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 437, in __init__
self.__connect(first_connect_check=True)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 308, in _create_connection
return _ConnectionRecord(self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/impl.py", line 238, in _do_get
return self._create_connection()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 492, in checkout
rec = pool._do_get()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 760, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/pool/base.py", line 363, in connect
return _ConnectionFairy._checkout(self)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 2265, in _wrap_pool_connect
return fn()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 2229, in _contextual_connect
self._wrap_pool_connect(self.pool.connect, None),
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 431, in _connection_for_bind
conn = bind._contextual_connect()
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 1130, in _connection_for_bind
engine, execution_options
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 1124, in connection
execution_options=execution_options,
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3345, in _connection_from_session
conn = self.session.connection(**kw)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3367, in _get_bind_args
mapper=self._bind_mapper(), clause=querycontext.statement, **kw
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3352, in _execute_and_instances
querycontext, self._connection_from_session, close_with_result=True
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3330, in __iter__
return self._execute_and_instances(context)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3018, in __getitem__
return list(res)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", line 3228, in first
ret = list(self[0:1])
File "/usr/local/lib/python3.7/site-packages/airflow/models/taskinstance.py", line 549, in refresh_from_db
ti = qry.first()
Created
January 28, 2023 05:19
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Case where there is only 1 thread:
py-bt
output: