16 posts tagged with "Spring"

Two camps. One schema. Endless arguments on Twitter. Every Java GraphQL project, within the first week, has the same meeting: should we write the schema first in SDL, or should we write Java classes and let the schema fall out of them? Both camps are convinced the other is doing it wrong. Both are partially right. Here's the honest breakdown, the actual tradeoffs, and what the 2026 Java ecosystem looks like when you stop arguing and pick one.

For six years, the Java GraphQL world had two doors. Door One: Netflix DGS, born at a company whose entire product is one giant graph. Door Two: Spring GraphQL, blessed by the Spring team itself. Pick a door, write your code, and pray you never had to switch. Then somebody at Netflix and somebody at VMware had coffee, and the doors got knocked down. Here's what actually happened, what it means for your codebase, and whether you should care.

You know how most companies build a GraphQL API, hit some scaling issues, and then write a blog post about it? Airbnb took a different approach: they built an entire data-oriented service mesh, ran it for five years at massive scale, and then open-sourced it. Meet Viaduct - GraphQL's ambitious cousin who went to architecture school.

Your REST API is like a teenager: it only responds when you ask it something. Repeatedly. Every second. "Any new messages?" "No." "Any new messages?" "No." "Any new messages?" "STILL NO." Enter GraphQL Subscriptions - where your API finally grows up and learns to call YOU when something interesting happens.

Resolvers are where GraphQL magic happens - and where most bugs lurk. After years of debugging production resolvers at 2 AM, I've collected these dark arts. Use them wisely.

Your Spring GraphQL API works locally. Now let's make it production-ready with proper configuration, monitoring, security hardening, and operational best practices.

JPA entities and GraphQL types serve different purposes. Learn how to map between them efficiently while avoiding common pitfalls like lazy loading exceptions.

A well-designed schema is the foundation of a great GraphQL API. Learn patterns for organizing, evolving, and maintaining schemas in enterprise Spring applications.

Returning thousands of records in a single query is a recipe for disaster. Learn cursor-based pagination, filtering, and sorting patterns in Spring GraphQL.

Your GraphQL API exposes your entire data graph. Learn how to protect it with Spring Security, from authentication to field-level authorization.