关于org.springframework.beans.NotWritablePropertyException的解决办法

本文介绍了在使用Spring MVC框架时遇到的Bean创建异常问题,具体表现为无法正确注入userService属性。通过排查发现是因为setter方法名书写错误导致的问题,并给出了正确的修正方法。

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报错信息太多,选取其中一部分:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userAction' defined in class path resource [c/applicationContext.xml]: Error setting property values; 
nested exception is org.springframework.beans.NotWritablePropertyException: 
Invalid property 'userService ' of bean class [c.UserAction]: Bean property 'userService ' 
is not writable or has an invalid setter method. Did you mean 'userService'?
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1453)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1158)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:296)
 

发现是set方法名写错了,应该是“userService”,我写的是“userService ”,多了一个空格。空格去掉后运行就正常了。

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'httpInvokerConfig': Unsatisfied dependency expressed through field 'appMerchantService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'appMerchantDec' defined in ServletContext resource [/WEB-INF/tpaic-auto-net-servlet.xml]: Cannot resolve reference to bean 'dispatchService' while setting bean property 'dispatch'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dispatchService' defined in ServletContext resource [/WEB-INF/tpaic-auto-net-servlet.xml]: Invocation of init method failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.tpaic.nonmotor.biz' defined in class path resource [com/tpaic/nonmotor/biz/beanRefContext.xml]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.context.support.ClassPathXmlApplicationContext]: Constructor threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'brandAutoTypeService' defined in class path resource [com/tpaic/nonmotor/biz/brand-service-context.xml]: Cannot resolve reference to bean 'contractBoSupport' while setting bean property 'contractBoSupport'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'contractBoSupport' defined in class path resource [com/tpaic/nonmotor/biz/service-bo.xml]: Cannot resolve reference to bean 'inquireDetailService' while setting bean property 'inquireDetailService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'inquireDetailService' defined in class path resource [com/tpaic/nonmotor/biz/service-context-part.xml]: Cannot resolve reference to bean 'inquireDetailBoService' while setting bean property 'inquireDetailBoService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'inquireDetailBoService' defined in class path resource [com/tpaic/nonmotor/biz/service-bo.xml]: Cannot resolve reference to bean 'applyPolicyBo' while setting bean property 'applyPolicyBo'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'applyPolicyBo' defined in class path resource [com/tpaic/nonmotor/biz/service-bo.xml]: Cannot resolve reference to bean 'commonParameterSupport' while setting bean property 'common'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'commonParameterSupport' defined in class path resource [com/tpaic/nonmotor/biz/service-context-part.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'aggregatedSearchService' of bean class [com.tpaic.nonmotor.biz.util.CommonParameterSupport]: Bean property 'aggregatedSearchService' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
06-11
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