spring 一個命名規則

問題:


Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'daoCaller' defined in file [G:/workspace/Spring2/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.InvalidPropertyException: Invalid property 'iDao' of bean class [caller.DaoCaller]: No property 'iDao' found
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:478)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:881)
 at test.Test.main(Test.java:11)
Caused by: org.springframework.beans.InvalidPropertyException: Invalid property 'iDao' of bean class [caller.DaoCaller]: No property 'iDao' found
 at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:382)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1287)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1248)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1008)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:470)
 ... 10 more

 

解決方案:

   我的代碼寫的沒問題,只是屬性命名有點問題,命名規則:原來好像是spring的命名規定第一個大寫字母前必須有不少於2個的小寫字母。所以換個名字就好了

 

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