我的applicationContext.xml配置如下:
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.mysql.jdbc.Driver">
</property>
<property name="url" value="jdbc:mysql://localhost:3306/test"></property>
<property name="username" value="root"></property>
<property name="password" value="28327304"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>vo/User.hbm.xml</value></list>
</property></bean>
<bean id="UserDAO" class="dao.UserDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean name="/login" class="com.pp.struts.action.LoginAction">
<property name="service">
<ref bean="service" />
</property>
</bean>
<bean id="service" class="com.pp.struts.action.Service" >
<property name="userDao">
<ref bean="UserDAO" />
</property>
</bean>
</beans>
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.mysql.jdbc.Driver">
</property>
<property name="url" value="jdbc:mysql://localhost:3306/test"></property>
<property name="username" value="root"></property>
<property name="password" value="28327304"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>vo/User.hbm.xml</value></list>
</property></bean>
<bean id="UserDAO" class="dao.UserDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean name="/login" class="com.pp.struts.action.LoginAction">
<property name="service">
<ref bean="service" />
</property>
</bean>
<bean id="service" class="com.pp.struts.action.Service" >
<property name="userDao">
<ref bean="UserDAO" />
</property>
</bean>
</beans>
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd"><struts-config>
<data-sources />
<form-beans >
<form-bean name="loginForm" type="com.pp.struts.form.LoginForm" /> </form-beans> <global-exceptions />
<global-forwards >
</global-forwards> <action-mappings >
<action
attribute="loginForm"
input="/login.jsp"
name="loginForm"
path="/login"
scope="request"
type="org.springframework.web.struts.DelegatingActionProxy">
<forward name="succeed" path="/welcome.jsp" />
<forward name="fail" path="/login.jsp" />
</action>
</action-mappings>
<message-resources parameter="com.pp.struts.ApplicationResources" />
<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
<set-property property="contextConfigLocation" value="/WEB-INF/applicationContext.xml" />
</plug-in>
</struts-config>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="vo.User" table="user" catalog="test">
<id name="id" type="java.lang.Integer">
<column name="id" />
<generator class="native" />
</id>
<property name="username" type="java.lang.String">
<column name="username" length="30" not-null="true" />
</property>
<property name="password" type="java.lang.String">
<column name="password" length="30" />
</property>
</class>
</hibernate-mapping>
<property name="sessionFactory" >
<ref bean="sessionFactory" / >
</property >
</bean >
=================
给sessionfactory换个名字
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" >
<property name="dataSource" >
<ref bean="dataSource" / >
</property >
<property name="hibernateProperties" >
<props >
<prop key="hibernate.dialect" >
org.hibernate.dialect.MySQLDialect
</prop >
</props >
</property >
<property name="mappingResources" >
<list >
<value >vo/User.hbm.xml </value > </list >
</property > </bean >
的id换成了id="session"
然后
<bean id="UserDAO" class="dao.UserDAO" >
<property name="sessionFactory" >
<ref bean="sessionFactory" / >
</property >
</bean >
换<ref bean="sessionFactory" / > =><ref bean="session" / >
一样的错误,只是报错换了一个对象而已(sessionFactory变成了session).
有人说那是因为数字签名的问题。SequencedHashMap的数字签名和同一个包下面其他类的数字签名不符。
从 Invocation of init method failed; nested exception is java.lang.SecurityException: class "org.apache.commons.collections.SequencedHashMap" 's signer information does not match signer information of other classes in the same package
看得出来.但我不知道应该如何解决.