初学struts2,spring2.5.hibernate3， 不知为何在提交表单时出错，求教高手，感激不禁。

Question

                                                            applicationContext-hibernate.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"><beans>
<!-- dataSource config -->
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<!--  <value>WEB-INF/mail.properties</value>-->
<value>WEB-INF/spring-context/jdbc.properties</value>
<!--  <value>WEB-INF/oscache.properties</value>-->
</list>
</property>
</bean> <bean id="dataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close" dependency-check="none">
<property name="driverClass">
<value>${datasource.driverClassName}</value>
</property>
<property name="jdbcUrl">
<value>${datasource.url}</value>
</property>
<property name="user">
<value>${datasource.username}</value>
</property>
<property name="password">
<value>${datasource.password}</value>
</property>
<property name="acquireIncrement">
<value>${c3p0.acquireIncrement}</value>
</property>
<property name="initialPoolSize">
<value>${c3p0.initialPoolSize}</value>
</property>
<property name="minPoolSize">
<value>${c3p0.minPoolSize}</value>
</property>
<property name="maxPoolSize">
<value>${c3p0.maxPoolSize}</value>
</property>
<property name="maxIdleTime">
<value>${c3p0.maxIdleTime}</value>
</property>
<property name="idleConnectionTestPeriod">
<value>${c3p0.idleConnectionTestPeriod}</value>
</property>
<property name="maxStatements">
<value>${c3p0.maxStatements}</value>
</property>
<property name="numHelperThreads">
<value>${c3p0.numHelperThreads}</value>
</property>
</bean>
<!-- SessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource" />
</property>
<property name="mappingResources">
<list>
<value>com/leftlady/model/admin/Admin.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
${hibernate.dialect}
</prop>
<prop key="hibernate.show_sql">
${hibernate.show_sql}
</prop>
<prop key="hibernate.jdbc.fetch_size">
${hibernate.jdbc.fetch_size}
</prop>
<prop key="hibernate.jdbc.batch_size">
${hibernate.jdbc.batch_size}
</prop>
</props>
</property>
</bean> <!-- 配置事务管理器bean,使用HibernateTransactionManager事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<!-- 为事务管理器注入sessionFactory" -->
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 配置事务拦截器Bean -->
<bean id="transactionInterceptor"
class="org.springframework.transaction.interceptor.TransactionInterceptor">
<!-- 为事务拦截器bean注入一个事物管理器 -->
<property name="transactionManager" ref="transactionManager"></property>
<property name="transactionAttributes">
<!-- 定义事务传播属性 -->
<props>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="load*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="change*">PROPAGATION_REQUIRED</prop>
<prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
</props>
</property>
</bean>
<!-- 定义BeanNameAutoProxyCreator -->
<bean
class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<!-- 指定满足哪些bean自动生成业务代理 -->
<property name="beanNames">
<!-- 需要自动创建事务代理的bean -->
<list>
<value>adminService</value>
</list>
<!-- 其它需要自动创建事务代理的bean -->
</property>
<property name="interceptorNames">
<list>
<value>transactionInterceptor</value>
<!-- 可增加其它的interceptor -->
</list>
</property>
</bean>
</beans>                                                            applicationContext-dao.xml<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
<!-- 根DAO -->
<bean id="genericDao" class="com.leftlady.commons.dao.GenericDao">
    <property name="sessionFactory">
        <ref bean="sessionFactory" />
    </property>
</bean>
<bean id="adminDao" class="com.leftlady.dao.impl.admin.AdminDao" parent="genericDao" />
</beans>                                                            applicationContext-service.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
<bean id="adminService"
class="com.leftlady.services.impl.admin.AdminService">
<property name="adminDao">
<ref bean="adminDao" />
</property>
</bean> </beans>                                                            action-service.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans> <bean id="LoginAction" class="com.leftlady.web.actions.admin.LoginAction"
scope="prototype">
<property name="adminService">
<ref bean="adminService"/>
</property>
</bean>
</beans>
  jdbc.properties
datasource.type=mysql
datasource.driverClassName=com.mysql.jdbc.Driver
datasource.url=jdbc:mysql://localhost:3306/www_leftlady_com?useUnicode=true&characterEncoding=UTF-8datasource.username=developer
datasource.password=developerdatasource.maxActive=10
datasource.maxIdle=2
datasource.maxWait=120000
datasource.whenExhaustedAction=1
datasource.validationQuery=select 1 from dual
datasource.testOnBorrow=true
datasource.testOnReturn=falsec3p0.acquireIncrement=3
c3p0.initialPoolSize=3
c3p0.idleConnectionTestPeriod=900
c3p0.minPoolSize=2
c3p0.maxPoolSize=50
c3p0.maxStatements=100
c3p0.numHelperThreads=10
c3p0.maxIdleTime=600hibernate.dialect=org.hibernate.dialect.MySQLInnoDBDialect
#hibernate.dialect=org.hibernate.dialect.MySQLMyISAMDialecthibernate.jdbc.batch_size=25
hibernate.jdbc.fetch_size=50
hibernate.show_sql=true
hibernate.connection.release_mode=after_transaction