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I've got a class that extends a collection, specifically a HashMap. I'd like to use it as an autowired field in another class, however when I try to use the @autowired or @resource annotations in the following way:

@Autowired
private myCollectionClass<String, Object> myCollectionClass;

I get the error: no qualifying bean of type [my collection class]

How can I autowire the class?

(I cannot use xml in the project)

Zerg
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2 Answers2

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The simplest solution is to use @Resource specifying the bean id

@Resource(name="myCollection")
private MyCollectionClass<String, Object> myCollectionClass;

Or you could use @Qualifier in conjunction with @Autowired

@Autowired @Qualifier("myCollection")
private MyCollectionClass<String, Object> myCollectionClass;
lance-java
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have you annotated myCollectionClass?

If not, You need to annotate myCollectionClass as well with @Component for spring container to qualify the object based on class name or class type.

You can also use @Qualifier and specify the qualifier class name.

DanielBarbarian
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Khyati Desai
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  • I had annotated the collection class as a component before autowiring it in another class, but its still the same error – Zerg Sep 26 '16 at 08:14