明石在哪捞:用Spring架构做JSP，出现错误

报错：javax.servlet.ServletException: successView isn't set
我是按SpringGuide上的MVC教程做的，可是要是把XML里的参数success_view改成successView，就不能实现我的功能了……
xml文件如下：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName">
<value>sun.jdbc.odbc.JdbcOdbcDriver</value>
</property>
<property name="url">
<value>jdbc:odbc:CHCF</value>
</property>
<property name="username">
<value></value>
</property>
<property name="password">
<value></value>
</property>
</bean>
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource">
<ref local="dataSource" />
</property>
</bean>
<bean id="jdbc" class="chcf.jdbcBean">
<property name="dataSource">
<ref local="dataSource" />
</property>
<property name="transactionManager">
<ref local="transactionManager" />
</property>
</bean>
</beans>