Autowiring in the Spring Framework is a mechanism that allows developers to inject dependencies implicitly, without the need for explicit property or constructor argument specifications. However, despite its convenience, autowiring comes with several limitations:
Overriding Explicit Dependencies: Autowiring does not take precedence over explicit dependencies defined in property and constructor-arg settings. If explicit configurations are provided, they will always override autowiring[1][2][6].
Primitive and String Values: Autowiring cannot be used to inject simple properties such as primitives, strings, and classes. These types of properties must be set using explicit property or constructor-arg tags[1][2][4][6].
Confusing Nature: Autowiring can be less precise than explicit wiring, which can lead to confusion, especially in large projects with many dependencies. It can be challenging to track and understand the flow of dependencies when autowiring is extensively used[1][2][6].
Documentation and Tool Support: When autowiring is used, the relationships between Spring-managed objects are not documented explicitly. This can make it difficult for tools that generate documentation from a Spring container to provide accurate information[1].
Ambiguity and Conflicts: If there are multiple bean definitions within the container that match the type specified by the constructor or setter method argument to be autowired, Spring will throw a fatal exception due to ambiguity. This requires careful management of bean definitions to avoid conflicts[1][4].
Limited to Reference Types: Autowiring is only applicable to reference types or object types. It cannot be used for primiti...
