diegosouzapw/OmniRoute · error · Error

Kimi Connect compressed frames are not supported

Error message

Kimi Connect compressed frames are not supported

What it means

Error "Kimi Connect compressed frames are not supported" thrown in diegosouzapw/OmniRoute.

Source

Thrown at open-sse/executors/kimi-web.ts:124

  buf: Uint8Array,
  byteOffset: number
): { consumed: number; frame: ConnectFrame | null } {
  if (byteOffset + 5 > buf.length) return { consumed: 0, frame: null };
  const flags = buf[byteOffset];
  const len =
    (buf[byteOffset + 1] << 24) |
    (buf[byteOffset + 2] << 16) |
    (buf[byteOffset + 3] << 8) |
    buf[byteOffset + 4];
  // Sign-extend the high bit back to negative when len was read as signed.
  const msgLen = len < 0 ? len + 0x100000000 : len;
  if (msgLen > MAX_FRAME_LEN) return { consumed: -1, frame: null };
  if (byteOffset + 5 + msgLen > buf.length) return { consumed: 0, frame: null };
  if ((flags & ~0x03) !== 0) {
    throw new Error(`Kimi Connect frame used unsupported flags: ${flags}`);
  }
  if ((flags & 0x01) !== 0) {
    throw new Error("Kimi Connect compressed frames are not supported");
  }

  const payload = buf.subarray(byteOffset + 5, byteOffset + 5 + msgLen);
  let message: Record<string, unknown> | null = null;
  if (msgLen > 0) {
    try {
      message = JSON.parse(new TextDecoder().decode(payload));
    } catch (error) {
      throw new Error(
        `Kimi Connect frame contained invalid JSON: ${error instanceof Error ? error.message : "parse failed"}`
      );
    }
  }
  return { consumed: 5 + msgLen, frame: { flags, message } };
}

export function getConnectEndStreamError(frame: ConnectFrame): string | null {
  if ((frame.flags & 0x02) === 0) return null;

View on GitHub (pinned to a179ffed5b)

When it happens

Trigger: Thrown at open-sse/executors/kimi-web.ts:124 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of diegosouzapw/OmniRoute@a179ffed5b (2026-08-25). Data as JSON: /api/errors/62853e1023f5c768. Report an issue: GitHub.