1. 程式人生 > >建Spring的專案例項化bean出錯

建Spring的專案例項化bean出錯

HelloBean.java
publicclass HelloBean 
{
    
private String helloword;
    
    
publicvoid setHelloword(String helloWord)
    
{
        
this.helloword =helloWord;
    }

    
    
public String getHelloword()
    
{
        
return helloword;
    }

}


Beans
-config.xml
<!DOCTYPE beans PUBLIC "-//Spring/dtd bean/en
""spring-beans.dtd">
    
<beans>
        
<bean id="helloBean123"class="HelloBean">
            
<property name="helloword">
                
<value>hello!just in!</value>
            
</property>
        
</bean>
    
</beans>

SpringDemo.java
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
publicclass SpringDemo
{
    
publicstaticvoid main(String args[])
    
{
        Resource rs
=new FileSystemResource("Beans-config.xml");
        BeanFactory factory
=new XmlBeanFactory(rs);
        HelloBean hello
=(HelloBean)factory.getBean("helloBean123");
        System.out.println(hello.getHelloword());
    }

    
}


錯誤提示:
2007-8-311:36:49 org.springframework.core.CollectionFactory <clinit>
資訊: JDK 
1.4+ collections available
2007-8-311:36:49 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
資訊: Loading XML bean definitions from file [D:AllProjectApplictionProjectjavaworkspaceSpringHelloWorldBeans
-config.xml]
Exception in thread 
"main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'helloBean123' defined in file 
[D:AllProjectApplictionProjectjavaworkspaceSpringHelloWorldBeans
-config.xml]:
 Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 
'helloword'
 of bean 
class [HelloBean]: Bean property 
'helloword' is not writable or has an invalid setter method: Does the parameter type of the setter match the return type of the getter?
org.springframework.beans.NotWritablePropertyException: Invalid property 
'helloword' of bean class [HelloBean]: Bean property 'helloword' 
is not writable or has an invalid setter method: 
Does the parameter type of the setter match the 
return type of the getter?
    at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:
668)
    at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:
570)
    at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:
735)
    at org.springframework.beans.BeanWrapperImpl.setPropertyValues(BeanWrapperImpl.java:
762)
    at org.springframework.beans.BeanWrapperImpl.setPropertyValues(BeanWrapperImpl.java:
751)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:
1069)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:
863)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:
382)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:
234)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:
144)