Bean named 'xxx' must be of type xxx , but was actually of type [com.sun.proxy.$Proxy189]

本文记录了一次Spring框架中依赖注入失败的问题排查过程，主要原因是Bean的实际类型与期望类型不符导致。文中详细描述了错误信息及解决办法。

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nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException:

INFO 04-12 18:12:34 Initializing c3p0-0.9.2 [built 09-February-2013 02:13:17 +0000; debug? true; trace: 10] (C3P0Registry.java:204)
ERROR 04-12 18:12:44 Context initialization failed (ContextLoader.java:331)
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.nextwms.api.service.master.StockTransformLxListServiceApi': Cannot resolve reference to bean 'stockTransformLxListService' while setting bean property 'ref'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'stockTransformLxListService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'stockTransReader' must be of type [com.nextwms.core.persistence.reader.master.StockTransformLxListReader], but was actually of type [com.sun.proxy.$Proxy189]
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:336)