deepseek-ai/deepseek-harness · error · Error

web-fetch-http: ${name} must be a positive finite number

Error message

web-fetch-http: ${name} must be a positive finite number

What it means

Error "web-fetch-http: ${name} must be a positive finite number" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/web/web-fetch-http/src/index.ts:64

  userAgent?: string
}

export const Config: z<Config> = z.object({
  maxUrlLength: z.number().default(2048),
  maxResponseBytes: z.number().default(5_000_000),
  maxBodyChars: z.number().default(100_000),
  timeoutMs: z.number().default(30_000),
  maxRedirects: z.number().default(5),
  userAgent: z.string().default(DEFAULT_USER_AGENT),
})

/** Complete config after schemastery applies every field default. */
type ResolvedConfig = Required<Config>

/** 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`)
  }
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Set the named option to a positive finite number.

When it happens

Trigger: Thrown at packages/web/web-fetch-http/src/index.ts:64 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/9d5928f8072cab47. Report an issue: GitHub.