deepseek-ai/deepseek-harness · error · WebError

WEB_FETCH_TIMEOUT

WEB_FETCH_TIMEOUT

Error message

web fetch timed out

What it means

Error "web fetch timed out" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/web/web-fetch-http/src/provider.ts:112

        currentUrl = validatedTarget
        redirectsFollowed++
        continue
      }

      return await this.readBody(response, currentUrl, signal)
    }
  }

  private async requestOnce(url: URL, signal: AbortSignal): Promise<Response> {
    try {
      return await fetch(url, {
        method: 'GET',
        redirect: 'manual',
        headers: { 'user-agent': this.limits.userAgent, 'accept': 'text/html,application/xhtml+xml,text/*;q=0.9,application/json;q=0.8' },
        signal,
      })
    } catch (error: unknown) {
      throw translateAbortOrNetwork(error, signal)
    }
  }

  /** Read, byte-cap, classify, and decode the final response body. */
  private async readBody(response: Response, finalUrl: URL, signal: AbortSignal): Promise<WebFetchResult> {
    const contentType = response.headers.get('content-type')
    const kind = classifyContentType(contentType)
    if (kind === undefined) {
      await response.body?.cancel()
      throw new WebError(`unsupported content type "${contentType ?? 'unknown'}"`, 'WEB_UNSUPPORTED_CONTENT_TYPE')
    }

    // Resolve the decoder BEFORE reading the body so an unsupported charset
    // fails without consuming the stream — but cancel the body on that failure
    // so the socket does not leak (matching the unsupported-content-type path).
    let decoder: TextDecoder
    try {
      decoder = decoderForCharset(parseCharset(contentType))

View on GitHub (pinned to b150a551b8)

Solutions

1. Retry with a longer timeout or check network connectivity to the target URL.

When it happens

Trigger: Thrown at packages/web/web-fetch-http/src/provider.ts:112 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Timeouts: ETIMEDOUT, deadlines, and hung requests — what actually expires when a request times out.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/a5decb2dd1cf3c91. Report an issue: GitHub.