usebruno/bruno · error · Error

Introspection query failed

Error message

Introspection query failed

What it means

Error "Introspection query failed" thrown in usebruno/bruno.

Source

Thrown at packages/bruno-app/src/components/RequestPane/GraphQLSchemaActions/useGraphqlSchema.js:53

    try {
      const saved = localStorage.getItem(localStorageKey);
      if (!saved) {
        return null;
      }
      let parsedData = safeParseJSON(saved);
      const { schema } = buildAndValidateSchema(parsedData);
      return schema;
    } catch (err) {
      localStorage.removeItem(localStorageKey);
      console.warn('Failed to load cached GraphQL schema:', err.message);
      return null;
    }
  });

  const loadSchemaFromIntrospection = async () => {
    const response = await fetchGqlSchema(endpoint, environment, request, collection);
    if (!response) {
      throw new Error('Introspection query failed');
    }
    if (response.status !== 200) {
      throw new Error(response.statusText);
    }
    const data = response.data?.data;
    if (!data) {
      throw new Error('No data returned from introspection query');
    }
    setSchemaSource('introspection');
    return data;
  };

  const loadSchemaFromFile = async () => {
    const schemaContent = await ipcRenderer.invoke('renderer:load-gql-schema-file');
    if (!schemaContent) {
      setIsLoading(false);
      return;
    }

View on GitHub (pinned to 9bdd81c7bd)

Solutions

1. Check that the GraphQL endpoint URL is correct and reachable.
2. Verify auth headers and that the server supports introspection (it may be disabled in production).

When it happens

Trigger: Thrown at packages/bruno-app/src/components/RequestPane/GraphQLSchemaActions/useGraphqlSchema.js:53 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of usebruno/bruno@9bdd81c7bd (2026-08-13). Data as JSON: /api/errors/b23f92418375deb9. Report an issue: GitHub.