org.springframework.beans.factory.NoSuchBeanDefinitionException

严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.taotao.content.service.ContentService'
: Cannot resolve reference to bean 'ContentServiceImpl' while setting bean property 'ref'; nested exception is 
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'ContentServiceImpl' is defined

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'ContentServiceImpl' is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:698)
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1175)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:284)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
... 24 more

　　几次遇见bean注入错误，原因是ref=“”中bean的名称首字母必须小写。

错误写法：

<dubbo:service interface="com.taotao.content.service.ContentService" ref="ContentServiceImpl" timeout="300000"/>

正确写法：

<dubbo:service interface="com.taotao.content.service.ContentService" ref="contentServiceImpl" timeout="300000"/>

　　ref首字母小写问题