Spring:NotWritablePropertyException

时间:2014-07-01 13:49:14

标签: java spring dependency-injection spring-test spring-test-mvc

的applicationContext

<bean id="contentRegisteringBean" parent="abstractRegisteringBean" lazy-init="false">
    <property name="processor">
        <bean class="com.somepackage.ContentService$Processor"/>
    </property>
</bean>

<bean id="abstractRegisteringBean" class="test.spring.MockFactoryBean">
    <property name="type" value="com.somepackage.ProcessorRegisteringBeanImpl"/>
</bean>

ProcessorRegisteringBeanImpl

public class ProcessorRegisteringBeanImpl {
    private Processor mProcessor;


    public Processor getProcessor() {
        return mProcessor;
    }

    public void setProcessor(final Processor processor) {
        mProcessor = processor;
    }
}

MockFactoryBean.java

public class MockFactoryBean<T> implements FactoryBean<T> {
    private Class<T> type;

    public void setType(Class<T> type) {
        this.type = type;
    }

    @Override
    public T getObject() throws Exception {
        return Mockito.mock(type);
    }

    @Override
    public Class<T> getObjectType() {
        return type;
    }

    @Override
    public boolean isSingleton() {
        return true;
    }

}

例外:

  

org.springframework.beans.NotWritablePropertyException:无效   财产处理器&#39;豆类   [test.spring.MockFactoryBean]:Bean属性&#39;处理器&#39;是   不可写或具有无效的setter方法。参数类型   setter匹配getter的返回类型?

1 个答案:

答案 0 :(得分:2)

当您声明FactoryBean时,Spring期望您配置FactoryBean的属性而不是它创建的对象的属性。

请尝试以下方法:

<bean id="contentRegisteringBean" parent="abstractRegisteringBean" lazy-init="false">
    <!-- Define concrete class to pass to Mockito.mock() -->
    <constructor-arg value = "com.somepackage.ProcessorRegisteringBeanImpl" />

    <property name="processor">
        <bean class="com.somepackage.ContentService$Processor"/>
    </property>
</bean>

<!-- Abstract definition of beans created using Mockito.mock() -->
<bean id="abstractRegisteringBean" abstract = "true"
     class="org.mockito.Mockito" factory-method = "mock">
</bean>