deepseek-ai/deepseek-harness · error · Error

transport failure for ${path}: HTTP ${response.status}

Error message

transport failure for ${path}: HTTP ${response.status}

What it means

Error "transport failure for ${path}: HTTP ${response.status}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/host/apiproxy/src/fetch/client.ts:324

   */
  private async postJson(
    path: string,
    body: ClientRequest | ClientResponse,
    signal: AbortSignal | undefined,
    timeoutPolicy: UnaryTimeoutPolicy = 'default',
  ): Promise<Response> {
    const requestSignal = timeoutPolicy === 'default'
      ? signal === undefined
        ? AbortSignal.timeout(this.timeoutMs)
        : AbortSignal.any([AbortSignal.timeout(this.timeoutMs), signal])
      : signal
    const response = await this.doFetch(new URL(path, this.resolveBase()), {
      method: 'POST',
      headers: { 'content-type': 'application/json' },
      body: JSON.stringify(body),
      ...requestSignal === undefined ? {} : { signal: requestSignal },
    })
    if (!response.ok) throw new Error(`transport failure for ${path}: HTTP ${response.status}`)
    return response
  }

  /**
   * Unary protocol path: mint → tap → POST full form → envelope parse → verify
   * echo → value parse → tap → narrow. Virtual so a fake carrier (fixture) can
   * override transport at this layer.
   */
  protected async callUnary<K extends keyof RpcMethodMap>(
    method: K,
    payload: RequestPayload<K>,
    signal?: AbortSignal,
    timeoutPolicy: UnaryTimeoutPolicy = 'default',
  ): Promise<RpcResponse<ResponseValue<K>>> {
    const message: ClientRequest = { type: 'client-request', rpcId: this.mintRpcId(), method, payload }
    this.onEnvelope(message)
    const response = await this.postJson(`/api/${method}`, message, signal, timeoutPolicy)
    const full = serverResponseSchema.parse(await response.json())

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/host/apiproxy/src/fetch/client.ts:324 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/a344bf8028b05373. Report an issue: GitHub.