I created a new database called flicket without any table.
Ran config_json.py and provided the below details.
[{"db_username": "root", "db_password": "", "db_url": "localhost", "db_port": "80", "db_name": "flicket", "SECRET_KEY": "l5y5MX+m3jNGIg52+9o0YbVUKGUrZ+Mo", "NOTIFICATION_USER_PASSWORD": "NMZjRGnC19H5n/IcylpP5GvveQIaj7G/"}](url)
(ticketsys) D:\Practice\flicket>python manage.py db init
Creating directory D:\Practice\flicket\migrations ... done
Creating directory D:\Practice\flicket\migrations\versions ... done
Generating D:\Practice\flicket\migrations\alembic.ini ... done
Generating D:\Practice\flicket\migrations\env.py ... done
Generating D:\Practice\flicket\migrations\README ... done
Generating D:\Practice\flicket\migrations\script.py.mako ... done
Please edit configuration/connection/logging settings in 'D:\\Practice\\flicket\\migrations\\alembic.ini' before proceeding.
(ticketsys) D:\Practice\flicket>python manage.py db migrate
Traceback (most recent call last):
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 2262, in _wrap_pool_connect
return fn()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 294, in unique_connection
return _ConnectionFairy._checkout(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 751, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 483, in checkout
rec = pool._do_get()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\impl.py", line 237, in _do_get
return self._create_connection()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 299, in _create_connection
return _ConnectionRecord(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 428, in __init__
self.__connect(first_connect_check=True)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 630, in __connect
connection = pool._invoke_creator(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\strategies.py", line 114, in connect
return dialect.connect(*cargs, **cparams)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\default.py", line 453, in connect
return self.dbapi.connect(*cargs, **cparams)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\__init__.py", line 94, in Connect
return Connection(*args, **kwargs)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 327, in __init__
self.connect()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 597, in connect
self._get_server_information()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 966, in _get_server_information
packet = self._read_packet()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 656, in _read_packet
packet_header = self._read_bytes(4)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 702, in _read_bytes
CR.CR_SERVER_LOST, "Lost connection to MySQL server during query")
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query')
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 25, in <module>
manager.run()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\flask_script\__init__.py", line 417, in run
result = self.handle(argv[0], argv[1:])
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\flask_script\__init__.py", line 386, in handle
res = handle(*args, **config)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\flask_script\commands.py", line 216, in __call__
return self.run(*args, **kwargs)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\flask_migrate\__init__.py", line 95, in wrapped
f(*args, **kwargs)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\flask_migrate\__init__.py", line 215, in migrate
version_path=version_path, rev_id=rev_id)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\alembic\command.py", line 176, in revision
script_directory.run_env()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\alembic\script\base.py", line 427, in run_env
util.load_python_file(self.dir, 'env.py')
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\alembic\util\pyfiles.py", line 81, in load_python_file
module = load_module_py(module_id, path)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\alembic\util\compat.py", line 82, in load_module_py
spec.loader.exec_module(module)
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "migrations\env.py", line 87, in <module>
run_migrations_online()
File "migrations\env.py", line 72, in run_migrations_online
connection = engine.connect()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 2193, in connect
return self._connection_cls(self, **kwargs)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 103, in __init__
else engine.raw_connection()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 2293, in raw_connection
self.pool.unique_connection, _connection
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 2266, in _wrap_pool_connect
e, dialect, self
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 1536, in _handle_dbapi_exception_noconnection
util.raise_from_cause(sqlalchemy_exception, exc_info)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\util\compat.py", line 383, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\util\compat.py", line 128, in reraise
raise value.with_traceback(tb)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\base.py", line 2262, in _wrap_pool_connect
return fn()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 294, in unique_connection
return _ConnectionFairy._checkout(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 751, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 483, in checkout
rec = pool._do_get()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\impl.py", line 237, in _do_get
return self._create_connection()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 299, in _create_connection
return _ConnectionRecord(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 428, in __init__
self.__connect(first_connect_check=True)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\pool\base.py", line 630, in __connect
connection = pool._invoke_creator(self)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\strategies.py", line 114, in connect
return dialect.connect(*cargs, **cparams)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\sqlalchemy\engine\default.py", line 453, in connect
return self.dbapi.connect(*cargs, **cparams)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\__init__.py", line 94, in Connect
return Connection(*args, **kwargs)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 327, in __init__
self.connect()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 597, in connect
self._get_server_information()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 966, in _get_server_information
packet = self._read_packet()
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 656, in _read_packet
packet_header = self._read_bytes(4)
File "C:\Users\manoj.sh\.conda\envs\ticketsys\lib\site-packages\pymysql\connections.py", line 702, in _read_bytes
CR.CR_SERVER_LOST, "Lost connection to MySQL server during query")
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')
(Background on this error at: http://sqlalche.me/e/e3q8)