org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'productAction' defined in URL [file:/D:/program/apache-tomcat-6.0.20/webapps/TestPage/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'productService' while setting bean property 'productService'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'productService' defined in URL [file:/D:/program/apache-tomcat-6.0.20/webapps/TestPage/WEB-INF/classes/applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'productDao' of bean class [com.pb.service.impl.ProductServiceImpl]: Bean property 'productDao' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
ssh exception bean
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看一下com.pb.service.impl.ProductServiceImpl这个类中有没有productDao这个属性和setter方法。注意属性的名字大小写要一致，setter方法的大小写要和属性一致
------解决方案--------------------
com.pb.service.impl.ProductServiceImpl里面的'productDao' 没有set方法，导致后面创建bean出错
------解决方案--------------------
Bean property 'productDao' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
检查下；
get set 方法最好自动生成，否则很容易出错。