langgenius/dify · error · Error

Invalid proxy port "${rawPort}". Expected an integer between

Error message

Invalid proxy port "${rawPort}". Expected an integer between 1 and 65535.

What it means

Error "Invalid proxy port "${rawPort}". Expected an integer between 1 and 65535." thrown in langgenius/dify.

Source

Thrown at packages/dev-proxy/src/config.ts:76

    const name = rawName ?? ''

    if (!name.startsWith('-')) continue

    if (!isOptionName(name)) throw new Error(`Unsupported dev proxy option "${name}".`)

    const key = OPTION_NAME_TO_KEY[name]
    options[key] = inlineValue ?? requireOptionValue(name, argv[index + 1])

    if (inlineValue === undefined) index += 1
  }

  return options
}

const resolvePort = (rawPort: string | number) => {
  const port = Number(rawPort)
  if (!Number.isInteger(port) || port < 1 || port > 65535)
    throw new Error(`Invalid proxy port "${rawPort}". Expected an integer between 1 and 65535.`)

  return port
}

export const resolveDevProxyServerOptions = (
  serverConfig: DevProxyServerConfig = {},
  cliOptions: DevProxyCliOptions = {},
): ResolvedDevProxyServerOptions => {
  const configuredPort = cliOptions.port ?? serverConfig.port ?? DEFAULT_PROXY_PORT

  return {
    host: cliOptions.host || serverConfig.host || DEFAULT_PROXY_HOST,
    port: resolvePort(configuredPort),
  }
}

const isRecord = (value: unknown): value is Record<string, unknown> =>
  typeof value === 'object' && value !== null

View on GitHub (pinned to ef8544b173)

When it happens

Trigger: Thrown at packages/dev-proxy/src/config.ts:76 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of langgenius/dify@ef8544b173 (2026-08-12). Data as JSON: /api/errors/5fa37ac44ab18fdf. Report an issue: GitHub.