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Description
Given:
- a Spring-Boot project
- using Spring-HATEOAS
When:
- there is a BeanPostProcessor bean declaration
- which gets an ObjectFactory with bounded type parameter injected
- where getObject() is called on the injected ObjectFactory
Then:
- application startup fails with error
Parameter 0 of method _relProvider in org.springframework.hateoas.config.HateoasConfiguration required a bean of type 'org.springframework.plugin.core.PluginRegistry' that could not be found..
The following example bean declaration will cause the error:
@Bean
public BeanPostProcessor exampleBeanPostProcessor(ObjectFactory<? extends ExampleComponent> exampleComponentObjectFactory) {
exampleComponentObjectFactory.getObject();
return new BeanPostProcessor() {};
}Any of the following alterations to the bean declaration will avoid the error:
- using a non-bounded type parameter
- not calling getObject() on the ObjectFactory
- declaring a bean of a type not BeanPostProcessor
Complete error message:
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 0 of method _relProvider in org.springframework.hateoas.config.HateoasConfiguration required a bean of type 'org.springframework.plugin.core.PluginRegistry' that could not be found.
The following candidates were found but could not be injected:
- User-defined bean method 'relProviderPluginRegistry' in 'HateoasConfiguration'
Action:
Consider revisiting the entries above or defining a bean of type 'org.springframework.plugin.core.PluginRegistry' in your configuration.
Minimal example project: https://github.com/VTLob/spring-hateoas-issue