deepseek-ai/deepseek-harness · error · Error

${path}.retryableCodes must not contain duplicates

Error message

${path}.retryableCodes must not contain duplicates

What it means

Error "${path}.retryableCodes must not contain duplicates" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm/src/retry-policy.ts:177

    })
  }

  switch (config.mode) {
    case 'normal': {
      validateKeys(config, NORMAL_POLICY_KEYS, path)
      const maxRetries = config.maxRetries ?? DEFAULT_MAX_RETRIES
      const retryableCodes = config.retryableCodes ?? [...DEFAULT_RETRYABLE_CODES]
      if (!Number.isSafeInteger(maxRetries) || maxRetries < 0) {
        throw new Error(`${path}.maxRetries must be a non-negative safe integer`)
      }
      if (retryableCodes.length === 0) {
        throw new Error(`${path}.retryableCodes must not be empty`)
      }
      if (retryableCodes.some(code => typeof code !== 'string' || code.length === 0)) {
        throw new Error(`${path}.retryableCodes must contain only non-empty strings`)
      }
      if (new Set(retryableCodes).size !== retryableCodes.length) {
        throw new Error(`${path}.retryableCodes must not contain duplicates`)
      }
      return Object.freeze({
        mode: 'normal',
        maxRetries,
        retryableCodes: Object.freeze([...retryableCodes]),
        ...resolveBackoff(config.backoff, `${path}.backoff`),
      })
    }
    case 'always':
      validateKeys(config, ALWAYS_POLICY_KEYS, path)
      return Object.freeze({
        mode: 'always',
        ...resolveBackoff(config.backoff, `${path}.backoff`),
      })
    default:
      throw new Error(`${path}.mode must be "normal" or "always"`)
  }
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Remove duplicate entries from retryableCodes.

When it happens

Trigger: Thrown at packages/llm/llm/src/retry-policy.ts:177 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/551038b65e090b00. Report an issue: GitHub.