for example, an interface interface A,
when called by other classes,
@Resource
private IMessageHandler imessageHandler;use both Resource and Autowired to indicate that the bean cannot be found
for example, an interface interface A,
when called by other classes,
@Resource
private IMessageHandler imessageHandler;use both Resource and Autowired to indicate that the bean cannot be found
the reason is that the implementation class of the interface is not annotated with @ Component, so just add it.
you can also use @ Service
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