Kong/insomnia · error

URL is required

Error message

URL is required

What it means

Error "URL is required" thrown in Kong/insomnia.

Source

Thrown at packages/insomnia/src/main/network/websocket.ts:196

  const workspaceMeta = await services.workspaceMeta.getOrCreateByParentId(options.workspaceId);
  // fallback to base environment
  const activeEnvironmentId = workspaceMeta.activeEnvironmentId;
  const activeEnvironment = activeEnvironmentId && (await services.environment.getById(activeEnvironmentId));
  const environment = activeEnvironment || (await services.environment.getOrCreateForParentId(options.workspaceId));
  invariant(environment, 'failed to find environment ' + activeEnvironmentId);
  const responseEnvironmentId = environment ? environment._id : null;

  const caCert = await services.caCertificate.getByParentId(options.workspaceId);
  const caCertficatePath = caCert && !caCert.disabled ? caCert.path : null;
  // attempt to read CA Certificate PEM from disk, fallback to root certificates
  // allow to read the file as it is chosen by user
  const caCertificate =
    (caCertficatePath && (await insecureReadFile(caCertficatePath))) || tls.rootCertificates.join('\n');

  try {
    if (!options.url) {
      throw new Error('URL is required');
    }
    const readyStateChannel = `${protocolName}.${request._id}.${REALTIME_EVENTS_CHANNELS.READY_STATE}`;

    const reduceArrayToLowerCaseKeyedDictionary = (
      acc: Record<string, string>,
      { name, value }: BaseWebSocketRequest['headers'][0],
    ) => ({ ...acc, [name.toLowerCase() || '']: value || '' });
    const headers = options.headers;
    let url = options.url;
    let authCookie = null;
    if (!options.authentication.disabled) {
      if (options.authentication.type === 'basic') {
        const { username, password, useISO88591 } = options.authentication;
        const encoding = useISO88591 ? 'latin1' : 'utf8';
        headers.push(getBasicAuthHeader(username, password, encoding));
      }
      if (options.authentication.type === 'apikey') {
        const { key = '', value = '', addTo } = options.authentication; // Ensure key is not undefined

View on GitHub (pinned to d9bb2b0142)

When it happens

Trigger: Thrown at packages/insomnia/src/main/network/websocket.ts:196 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Kong/insomnia@d9bb2b0142 (2026-08-26). Data as JSON: /api/errors/25a4a84d33977851. Report an issue: GitHub.