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Spring WebFlux

Virtual Threads Did Not Kill WebFlux

Virtual Threads Did Not Kill WebFlux

Java 21 virtual threads solve thread scalability for blocking code. WebFlux solves backpressure, streaming, and event-driven composition. They are not competitors — they solve different problems, and the 'WebFlux is dead' take is dangerously wrong.

  • Java
  • Virtual Threads
  • Spring WebFlux
  • Project Reactor
  • Spring Boot
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Real-time and Reactive Patterns with Netflix DGS

Real-time and Reactive Patterns with Netflix DGS

Part 4 of the Production GraphQL series — GraphQL subscriptions over WebSocket, choosing between Mono and CompletableFuture for data fetchers, and AOP-based observability for your GraphQL API.

  • GraphQL
  • Netflix DGS
  • WebSocket
  • Spring WebFlux
  • Observability
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Propagating User Identity in Axon 5 Query Handlers

Propagating User Identity in Axon 5 Query Handlers

Why ReactiveSecurityContextHolder is always empty inside Axon query handlers, three approaches we considered, and the Axon MetaData solution that keeps query objects clean.

  • Axon Framework
  • CQRS
  • Spring WebFlux
  • Spring Security
  • Java
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