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OperationalError

Python 3.6.9: /usr/bin/python
Sat Apr 18 15:19:36 2026

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/var/www/test/index.py in <module>()

15 user='tvef',

16 passwd='bandung2017',

=> 17 host='localhost')

18 c = conn.cursor()

19

host undefined

/usr/lib/python3/dist-packages/pymysql/__init__.py in Connect(*args=(), **kwargs={'db': 'example', 'host': 'localhost', 'passwd': 'bandung2017', 'user': 'tvef'})

88 """

89 from .connections import Connection

=> 90 return Connection(*args, **kwargs)

91

92 from . import connections as _orig_conn

Connection = <class 'pymysql.connections.Connection'>, args = (), kwargs = {'db': 'example', 'host': 'localhost', 'passwd': 'bandung2017', 'user': 'tvef'}

/usr/lib/python3/dist-packages/pymysql/connections.py in __init__(self=<pymysql.connections.Connection object>, host='localhost', user='tvef', password='bandung2017', database='example', port=0, unix_socket=None, charset='', sql_mode=None, read_default_file=None, conv={<class 'bool'>: <function escape_bool>, <class 'int'>: <function escape_int>, <class 'float'>: <function escape_float>, <class 'str'>: <function escape_unicode>, <class 'tuple'>: <function escape_sequence>, <class 'list'>: <function escape_sequence>, <class 'set'>: <function escape_sequence>, <class 'frozenset'>: <function escape_sequence>, <class 'dict'>: <function escape_dict>, <class 'NoneType'>: <function escape_None>, ...}, use_unicode=True, client_flag=2793997, cursorclass=<class 'pymysql.cursors.Cursor'>, init_command=None, connect_timeout=10, ssl=None, read_default_group=None, compress=None, named_pipe=None, no_delay=None, autocommit=False, db='example', passwd='bandung2017', local_infile=False, max_allowed_packet=16777216, defer_connect=False, auth_plugin_map={}, read_timeout=None, write_timeout=None, bind_address=None, binary_prefix=False)

697 self._sock = None

698 else:

=> 699 self.connect()

700

701 def _create_ssl_ctx(self, sslp):

self = <pymysql.connections.Connection object>, self.connect = <bound method Connection.connect of <pymysql.connections.Connection object>>

/usr/lib/python3/dist-packages/pymysql/connections.py in connect(self=<pymysql.connections.Connection object>, sock=None)

965 exc.traceback = traceback.format_exc()

966 if DEBUG: print(exc.traceback)

=> 967 raise exc

968

969 # If e is neither DatabaseError or IOError, It's a bug.

exc = OperationalError(2003, "Can't connect to MySQL s...on 'localhost' ([Errno 111] Connection refused)")

OperationalError: (2003, "Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)")
      args = (2003, "Can't connect to MySQL server on 'localhost' ([Errno 111] Connection refused)")
      original_exception = ConnectionRefusedError(111, 'Connection refused')
      traceback = 'Traceback (most recent call last):\n File "/usr/...tionRefusedError: [Errno 111] Connection refused\n'
      with_traceback = <built-in method with_traceback of OperationalError object>