急!!!关于SSH2 spring对象注入问题..感觉很简单就是不知道哪错了.

Question

今天做了一个关于SSH2得工程. tomcat启动没有报错.struts框架好使.但是当action类直接调用dao类就出错了.给人的感觉就是dao的对象没有注入进去...关于整合这块我是个菜鸟.找了2天了.希望高手来指点指点啊..Spring XML代码<?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-2.5.xsd
 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="oracle.jdbc.driver.OracleDriver">
</property>
<property name="url"
value="jdbc:oracle:thin:@localhost:1521:oracle9i">
</property>
<property name="username" value="cxc"></property>
<property name="password" value="cxc"></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.Oracle9Dialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>cn/cxc/model/Userinfo.hbm.xml</value></list>
</property></bean>

<bean id="UserinfoDAO" class="cn.cxc.dao.UserinfoDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>

<bean id="userinfoaction" class="cn.cxc.action.UserinfoAction">
<property name="userinfodao">
<ref bean="UserinfoDAO" />
</property>
</bean>

</beans>
Action类代码package cn.cxc.action;import javax.persistence.Entity;import cn.cxc.dao.UserinfoDAO;
import cn.cxc.model.Userinfo;
@Entity
public class UserinfoAction {
private UserinfoDAO userinfodao;
public UserinfoDAO getUserinfodao() {
return userinfodao;
}
public void setUserinfodao(UserinfoDAO userinfodao) {
this.userinfodao = userinfodao;
}
public String test(){
userinfodao.sshtest();
System.out.println("测试struts");
return "success";
}
}
DAO 类 代码 package cn.cxc.dao;import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;import cn.cxc.model.Userinfo;public class UserinfoDAO extends HibernateDaoSupport  {
 private static final Log log = LogFactory.getLog(UserinfoDAO.class);
//property constants
public static final String USERNAME = "username";
public static final String PASSWORD = "password"; public void sshtest(){
System.out.println("测试SSH2....");
}以下忽略然后是异常..类代码
at cn.cxc.action.UserinfoAction.test(UserinfoAction.java:19)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:404)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:267)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)以下忽略...

Answer 1

public class UserinfoAction {
}你这个类要继承一个DispatchAction 或者 Actio 吧?..

Answer 2

不用继承struts2默认的服务也可以..跟这没关系.

Answer 3

恩啊, action需要继承ActionSupport,如果是struts2的话!

Answer 4

<constant name="struts.objectFactory" value="spring" />  这个有吧??

Answer 5

<bean id="userinfoaction" class="cn.cxc.action.UserinfoAction">
        <property name="userinfodao">
            <ref bean="UserinfoDAO" />
        </property>
    </bean>你的action没有result么？
还有红色字体部分是没必要写的
<bean id="UserinfoDAO" class="cn.cxc.dao.UserinfoDAO">
        <property name="sessionFactory">
            <ref bean="sessionFactory" />
        </property>
    </bean>
然后把蓝色字体部分改成userinfodao
你再试试。

Answer 6

 <property name="mappingResources">
            <list>
                <value>cn/cxc/model/Userinfo.hbm.xml</value>
            </list>
 </property>这里你 不觉得少了一个吗？

Answer 7

少了什么?这里我是用hibernate反向映射的...都是自动生成的代码..

Answer 8

<constant name="struts.objectFactory" value="spring"></constant>
把这个加到struts.xml里

Answer 9

加入<constant name="struts.objectFactory" value="spring"></constant> 出现的异常..严重: Exception starting filter struts2
Unable to load configuration. - [unknown location]
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)
at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4001)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4651)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: Unable to load configuration. - [unknown location]
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
... 29 more
Caused by: Cannot locate the chosen ObjectFactory implementation: spring - [unknown location]
at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:293)
at org.apache.struts2.config.BeanSelectionProvider.alias(BeanSelectionProvider.java:264)
at org.apache.struts2.config.BeanSelectionProvider.register(BeanSelectionProvider.java:203)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:169)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
... 31 more
2010-11-17 11:39:25 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2010-11-17 11:39:25 org.apache.catalina.core.StandardContext start
严重: Context [/ssh5] startup failed due to previous errors
2010-11-17 11:39:25 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2010-11-17 11:39:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/ssh5] registered the JBDC driver [oracle.jdbc.driver.OracleDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
log4j:ERROR LogMananger.repositorySelector was null likely due to error in class reloading, using NOPLoggerRepository.

Answer 10

你有struts2-spring-plugin-2.1.8.1.jar这个包吗？

Answer 11

你的配置文件有问题，可以去官网下个struts2的文档，里面有struts+spring+JPA的配置文件的例子。
如果配置文件对着文档弄好了，还有问题的话，看看jar包有冲突没有

Answer 12

全部的异常信息
java.lang.NullPointerException
cn.cxc.action.UserinfoAction.test(UserinfoAction.java:23)
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)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

Answer 13

你已经把 UserinfoAction 通过 spring来托管了，别名是userinfoaction那你在struts配置文件中的action 是不是 userinfoaction？不要写成了 cn.cxc.action.UserinfoAction

Answer 14

struts配置文件<struts>
<constant name="struts.objectFactory" value="spring" />
   <package name="struts2springhibernate" extends="struts-default">
   <action name="*Action" class="cn.cxc.action.UserinfoAction" method="{1}">
   <result name="success">MyJsp.jsp</result>
   </action>
   </package>
</struts>

Answer 15

25楼的不是说了吗，试试<struts>
    <constant name="struts.objectFactory" value="spring" />
      <package name="struts2springhibernate" extends="struts-default">
          <action name="*Action" class="userinfoaction" method="{1}">
              <result name="success">MyJsp.jsp</result>
          </action>
      </package>
</struts>

Answer 16

<struts>
    <constant name="struts.objectFactory" value="spring" />
      <package name="struts2springhibernate" extends="struts-default">
          <action name="*Action" class="userinfoaction" method="{1}">
              <result name="success">MyJsp.jsp</result>
          </action>
      </package>
</struts>我信你的邪。
你服务器重启了没有啊你再从头到尾自己检查你的程序代码 要有点耐心...

Answer 17

好使了....THANKS YOU非常感谢. 我在请教一下 你==