sqlmapproject/sqlmap · error · OperationalError

could not connect to '%s:%s' (%s)

Error message

could not connect to '%s:%s' (%s)

What it means

Error "could not connect to '%s:%s' (%s)" thrown in sqlmapproject/sqlmap.

Source

Thrown at extra/dbwire/cubrid.py:295

                raise OperationalError("CUBRID broker rejected the connection (status %d)" % port)
            if port > 0:  # redirected to a CAS worker: reconnect there, no second handshake
                self._safe_close()
                sock = socket.create_connection((self._host, port), timeout=self._timeout)
                keepalive(sock)
                self._sock = sock

            login = self._fixed(self._database, 32) + self._fixed(self._user, 32) + self._fixed(self._password, 32)
            login += b"\x00" * 532  # 512 extended-info + 20 reserved
            self._sock.sendall(login)
            reader = self._read_response()
            reader.int()             # response_code (>=0; errors already raised in _read_response)
            broker = reader.raw(8)
            self._protocol_version = bytearray(broker)[4] & 0x3f
            # enable auto-commit so each statement is independent (avoids the CAS keep-connection handshake dance)
            self._call(_Writer(_FC_SET_DB_PARAMETER).arg_int(_PARAM_AUTO_COMMIT).arg_int(1))
        except (socket.error, socket.timeout) as ex:
            self._safe_close()
            raise OperationalError("could not connect to '%s:%s' (%s)" % (self._host, self._port, ex))
        except Exception:   # a rejected login (or connection_lost() out of _recvn) is still ours to close
            self._safe_close()
            raise

        handshake_done(self._sock)

    @staticmethod
    def _fixed(value, length):
        b = (value or "").encode("utf-8")[:length]
        return b + b"\x00" * (length - len(b))

    def _send(self, payload):
        # frame: [payload_len(4)][cas_info(4)][payload]
        try:
            self._sock.sendall(struct.pack(">i", len(payload)) + self._cas_info + payload)
        except (socket.error, OSError) as ex:
            raise connection_lost(ex)

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at extra/dbwire/cubrid.py:295 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/dfde7c7a46213889. Report an issue: GitHub.