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Spring autoinstall BlockingQueue

I'm trying to autoset a parameterized blocking queue:

@Bean(name = "saveProductQueue")
public BlockingQueue<ProductDto> saveProductQueue() {
    return new LinkedBlockingQueue<>();
}

@Autowired
private BlockingQueue<ProductDto> outputQueue;

However spring complains:

No qualifying bean of type [ProductDto] found for dependency
[collection of ProductDto]: expected at least 1

Has anyone seen anything like this before? I am using spring 4.1.6.RELEASE

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2 answers


BlockingQueue

is a collection and must be injected with @Resource

 @Resource
 private BlockingQueue<ProductDTO> saveProductQueue;


@ Works with subtype:

@Autowired
private LinkedBlockingQueue<ProductDTO> saveProductQueue;
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You need to annotate your "outer" (class where saveProductQueue()

) class with@Configuration



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