sqlmapproject/sqlmap · error · OperationalError

connection error: %s

Error message

connection error: %s

What it means

Error "connection error: %s" thrown in sqlmapproject/sqlmap.

Source

Thrown at extra/dbwire/monetdb.py:185

    def close(self):
        try:
            self._sock.close()
        except Exception:
            pass

    def _command(self, text):
        _putblock(self._sock, text)
        reply = _getblock(self._sock)
        if reply.startswith("!"):
            raise OperationalError("(remote) %s" % reply[1:].strip())

    def _query(self, query):
        try:
            _putblock(self._sock, "s" + query + ";\n")
            return _parse_result(_getblock(self._sock))
        except (socket.error, socket.timeout) as ex:
            raise OperationalError("connection error: %s" % ex)
        except (struct.error, IndexError, ValueError) as ex:
            raise InterfaceError("malformed server response: %s" % ex)

def connect(host=None, port=50000, user=None, password=None, database=None, connect_timeout=None, **kwargs):
    host, port = host or "localhost", int(port or 50000)
    try:
        sock = socket.create_connection((host, port), timeout=connect_timeout)
        keepalive(sock)
    except (socket.error, socket.timeout) as ex:
        raise OperationalError("could not connect to '%s:%s' (%s)" % (host, port, ex))

    try:
        for _ in range(10):  # bounded: merovingian proxy stage + optional redirect + mserver challenge
            block = _getblock(sock)
            if block == "":  # login accepted
                break
            if block[0] == "^":  # redirect
                url = block[1:].strip()

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at extra/dbwire/monetdb.py:185 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sqlmapproject/sqlmap@0a35b20e39 (2026-08-26). Data as JSON: /api/errors/22a8e710c134c14a. Report an issue: GitHub.