sqlmapproject/sqlmap · error · H2Error

response body exceeds configured limit

Error message

response body exceeds configured limit

What it means

Error "response body exceeds configured limit" thrown in sqlmapproject/sqlmap.

Source

Thrown at lib/request/http2.py:1188

            self._connection_error("DATA received before final response headers")
        if state.complete:
            self._connection_error("DATA received after END_STREAM")
        flow_len = len(payload)
        if flow_len > self.conn_recv_window:
            self._connection_error("peer exceeded the connection receive window")
        if flow_len > state.recv_window:
            self._connection_error("peer exceeded the stream receive window")
        self.conn_recv_window -= flow_len
        state.recv_window -= flow_len
        data = _extract_data(flags, payload)
        if state.body_forbidden and data:
            self._connection_error("response semantics forbid a message body")
        if (state.expected_content_length is not None and not state.body_forbidden and
                len(state.body) + len(data) > state.expected_content_length):
            self._connection_error("response body exceeds declared content-length")
        if len(state.body) + len(data) > MAX_RESPONSE_SIZE:
            self.usable = False
            raise H2Error("response body exceeds configured limit")
        state.body.extend(data)

        end_stream = bool(flags & FLAG_END_STREAM)
        if flow_len:
            if end_stream:
                try:
                    self.sock.sendall(encode_frame(WINDOW_UPDATE, 0, 0, struct.pack("!I", flow_len)))
                    self.conn_recv_window += flow_len
                except (socket.error, ssl.SSLError, IOError):
                    self.usable = False
            else:
                self.sock.sendall(encode_frame(WINDOW_UPDATE, 0, 0, struct.pack("!I", flow_len)))
                self.sock.sendall(encode_frame(WINDOW_UPDATE, 0, sid, struct.pack("!I", flow_len)))
                self.conn_recv_window += flow_len
                state.recv_window += flow_len
        if end_stream:
            self._finish_response(state)

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at lib/request/http2.py:1188 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/d8635915855e661a. Report an issue: GitHub.