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Junior — Middle

What methods do you know for eliminating cyclic dependencies between components in Spring?

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Answer from AI

Cyclic dependencies in Spring can lead to errors during context initialization. The main methods to eliminate such cycles are:

  • Using @Lazy: Lazy initialization of one of the beans to break the cycle.
  • Refactoring architecture: Revisiting dependencies, extracting common components or services to remove direct cycles.
  • Injection via setters or interfaces: Instead of constructor injection, use setters, which allows Spring to first create beans and then set dependencies.
  • Using events or intermediaries: Instead of direct calls between components, use patterns that reduce coupling.

Example with @Lazy:

@Component
public class A {
    private final B b;

    public A(@Lazy B b) {
        this.b = b;
    }
}

@Component
public class B {
    private final A a;

    public B(A a) {
        this.a = a;
    }
}
What methods do you know for eliminating cyclic… - sobes.tech