Resolving Spring's NoUniqueBeanDefinitionException in Dependency Injection

When Spring performs autowiring, it expects exactly one bean of the required type to satisfy a dependency. If multiple candidates exist—such as two @Component classes implementing the same interface—the container throws NoUniqueBeanDefinitionException, indicating ambiguity during bean resolution. Root Cause This exception arises because Spring’ ...

Posted on Sat, 26 Sep 2026 16:24:35 +0000 by MtPHP2