usebruno/bruno · error · Error

No data returned from introspection query

Error message

No data returned from introspection query

What it means

Error "No data returned from introspection query" thrown in usebruno/bruno.

Source

Thrown at packages/bruno-app/src/components/RequestPane/GraphQLSchemaActions/useGraphqlSchema.js:60

      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;
    }
    setSchemaSource('file');
    return schemaContent?.data || schemaContent;
  };

  const loadSchema = async (schemaSource) => {
    if (isLoading) {
      return;

View on GitHub (pinned to 9bdd81c7bd)

Solutions

1. Confirm the endpoint actually returns a schema for the introspection query.
2. Check server logs; enable introspection on the GraphQL server if disabled.

When it happens

Trigger: Thrown at packages/bruno-app/src/components/RequestPane/GraphQLSchemaActions/useGraphqlSchema.js:60 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/887e06cab98ecb4e. Report an issue: GitHub.