spring依赖注入单元测试:expected single matching bean but found 2
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问题描述:
有一个接口类IA
,及其实现类 A
。A
用 @Component
注解。
类B有一个 IA类型的属性,通过@Autowierd
自动注入。运行报错:expected single matching bean but found 2
提示找到了IA和A两个bean。
问题分析
起初理解为,只有A
一个bean,因此没有问题。但实际却提示IA
也是一个bean。试了下把iA
换成抽象类,则没有这个问题。
留待以后查看原因。
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