Question

菜鸟求助 myeclipse 自动生成的 struts2 +spring3 +hibernate3 NullPointerException 空指针异常

求助啊，或者给一个spring3.0配置好的给小弟，邮箱：tonyboymail@163.com,代码都是myeclipse自动生成的，dao也是，web.xml没有修改，spring配置文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation"
value="classpath:hibernate.cfg.xml">
</property>
</bean>
<bean id="AdminsDAO" class="model.AdminsDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean></beans>
错误源：
java.lang.NullPointerException
model.AdminsDAO.findAll(AdminsDAO.java:109)
action.LoginAction.execute(LoginAction.java:77)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)
com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)

Answer 1

给出你的AdminsDAO类,你的AdminsDAO类的SessionFactory可能没有注入成功,还有你的spring是怎么启动的还贴出来

Answer 2

AdminsDAO.java类的第109行出现的问题,你可以找找看