Spring Boot @autowired does not work, classes in different package

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When you use @SpringBootApplication annotation in for example package

com.company.config

it will automatically make component scan like this:

@ComponentScan("com.company.config")

So it will NOT scan packages like com.company.controller etc.. Thats why you have to declare your @SpringBootApplication in package one level prior to your normal packages like this: com.company OR use scanBasePackages property, like this:

@SpringBootApplication(scanBasePackages = { "com.company" })

OR componentScan:

@SpringBootApplication
@ComponentScan("com.company")

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