Function handleError

lib/error-handler.js:30–76

(reply, error, cb)

}

function handleError (reply, error, cb) {
  reply[kReplyIsRunningOnErrorHook] = false

  const context = reply[kRouteContext]
  if (reply[kReplyNextErrorHandler] === false) {
    fallbackErrorHandler(error, reply, function (reply, payload) {
      try {
        reply.raw.writeHead(reply.raw.statusCode, reply[kReplyHeaders])
      } catch (error) {
        reply.server[kLogController].writeHeadError(error, reply.request, reply)
        reply.raw.writeHead(reply.raw.statusCode)
      }
      reply.raw.end(payload)
    })
    return
  }
  const errorHandler = reply[kReplyNextErrorHandler] || context.errorHandler

  // In case the error handler throws, we set the next errorHandler so we can error again
  reply[kReplyNextErrorHandler] = Object.getPrototypeOf(errorHandler)

  // we need to remove content-type to allow content-type guessing for serialization
  delete reply[kReplyHeaders]['content-type']
  delete reply[kReplyHeaders]['content-length']

  const func = errorHandler.func

  if (!func) {
    reply[kReplyNextErrorHandler] = false
    fallbackErrorHandler(error, reply, cb)
    return
  }

  try {
    const result = func(error, reply.request, reply)
    if (result !== undefined) {
      if (result !== null && typeof result.then === 'function') {
        const store = reply[kDiagnosticsStore] || null
        wrapThenable(result, reply, store)
      } else {
        reply.send(result)
      }
    }
  } catch (err) {
    reply.send(err)
  }
}

function defaultErrorHandler (error, request, reply) {
  setErrorHeaders(error, reply)