spring 错误(org.springframework.beans.NotWritablePropertyException)
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spring 错误(org.springframework.beans.NotWritablePropertyException)
org.springframework.beans.NotWritablePropertyException: Invalid property 'postDao' of bean class?
出现异常的原因是在application-xxx.xml中property name的错误。
<property name="...."> 中name的名字是与bean的set方法相关的,而且要注意大小写。
比如:
出现异常的原因是在application-xxx.xml中property name的错误。
<property name="...."> 中name的名字是与bean的set方法相关的,而且要注意大小写。
比如:
public class PostManageImpl extends BaseManage implements PostManage {
private PostDAO dao = null;
public void setPostDAO(PostDAO postDAO){
this.dao = postDAO;
}
}
private PostDAO dao = null;
public void setPostDAO(PostDAO postDAO){
this.dao = postDAO;
}
}
那么xml的定义应该是:
<bean id="postManage" parent="txProxyTemplate">
<property name="target">
<bean class="com.yz.spring.service.implement.PostManageImpl">
<property name="postDAO"><ref bean="postDAO"/></property> 对
<property name="dao"><ref bean="postDAO"/></property> 错
</bean>
</property>
</bean>
<bean id="postManage" parent="txProxyTemplate">
<property name="target">
<bean class="com.yz.spring.service.implement.PostManageImpl">
<property name="postDAO"><ref bean="postDAO"/></property> 对
<property name="dao"><ref bean="postDAO"/></property> 错
</bean>
</property>
</bean>
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