deepseek-ai/deepseek-harness · error · Error

web-fetch-http: ${name} must be a non-negative integer

Error message

web-fetch-http: ${name} must be a non-negative integer

What it means

Error "web-fetch-http: ${name} must be a non-negative integer" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/web/web-fetch-http/src/index.ts:79

/** A resource limit (byte/char/length/timeout cap) must be a positive finite number. */
function assertPositiveFinite(name: string, value: number): void {
  if (!Number.isFinite(value) || value <= 0) {
    throw new Error(`web-fetch-http: ${name} must be a positive finite number`)
  }
}

/** Node coerces larger timer delays to 1 ms, so reject them at configuration time. */
function assertTimeoutMs(value: number): void {
  assertPositiveFinite('timeoutMs', value)
  if (value > MAX_NODE_TIMER_DELAY_MS) {
    throw new Error(`web-fetch-http: timeoutMs must be no greater than ${MAX_NODE_TIMER_DELAY_MS}`)
  }
}

/** The redirect hop cap must be a non-negative integer (0 follows no redirects). */
function assertNonNegativeInteger(name: string, value: number): void {
  if (!Number.isInteger(value) || value < 0) {
    throw new Error(`web-fetch-http: ${name} must be a non-negative integer`)
  }
}

/** Register the local HTTP(S) fetch provider with `ctx.web`. */
export function apply(ctx: Context, config: Config): void {
  // schemastery (Config) has already filled every defaulted field.
  const resolved = config as ResolvedConfig
  assertPositiveFinite('maxUrlLength', resolved.maxUrlLength)
  assertPositiveFinite('maxResponseBytes', resolved.maxResponseBytes)
  assertPositiveFinite('maxBodyChars', resolved.maxBodyChars)
  assertTimeoutMs(resolved.timeoutMs)
  assertNonNegativeInteger('maxRedirects', resolved.maxRedirects)
  const limits: HttpFetchLimits = {
    maxUrlLength: resolved.maxUrlLength,
    maxResponseBytes: resolved.maxResponseBytes,
    maxBodyChars: resolved.maxBodyChars,
    timeoutMs: resolved.timeoutMs,
    maxRedirects: resolved.maxRedirects,

View on GitHub (pinned to b150a551b8)

Solutions

1. Set the named option to a non-negative integer.

When it happens

Trigger: Thrown at packages/web/web-fetch-http/src/index.ts:79 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/1f325739c66c0bc2. Report an issue: GitHub.