You are migrating a large-scale Spring MVC application to WebFlux. What strategies would you employ to ensure a smooth transition and maintain application stability?

  • Convert all controllers to blocking controllers to ensure compatibility with Spring WebFlux.
  • Gradually refactor and migrate specific components to WebFlux, starting with non-critical areas, and thoroughly test the application for performance and stability.
  • Rewrite the entire application from scratch using WebFlux to take full advantage of its capabilities.
  • Use the @EnableWebFlux annotation to enable WebFlux and automatically migrate the entire application.
Migrating a large-scale Spring MVC application to WebFlux requires a gradual and careful approach, as suggested in Option 2. It's essential to refactor and migrate specific components incrementally, starting with non-critical areas, and perform thorough testing to ensure performance and stability. Option 1 is not a recommended approach, Option 3 suggests a complete rewrite, which is often not feasible, and Option 4 is not a valid approach for migrating the entire application to WebFlux.
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