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struts2+spring+hibernate问题

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struts2+spring+hibernate问题

发表于：2008-01-23 15:58:33 楼主

struts2+spring+hibernate环境
在做登陆的时候出现了以下问题,我先将配置文件贴出来,大虾们帮我瞧瞧
web-inf\classes\applicationcontext.xml

<?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="datasourse"
class="org.springframework.jndi.jndiobjectfactorybean"
destroy-method="close">
<property name="jndiname" value="java:comp/env/jdbc/sxivr"> </property>
</bean>
<bean id="hibernateinterceptor"
class="org.springframework.orm.hibernate3.hibernateinterceptor">
<property name="sessionfactory">
<ref bean="sessionfactory" />
</property>
</bean>
<bean id="sessionfactory"
class="org.springframework.orm.hibernate3.localsessionfactorybean">
<property name="datasource">
<ref bean="datasourse" />
</property>
<property name="hibernateproperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.sqlserverdialect
</prop>

<prop key="hibernate.connection.autocommit"> true </prop>

<prop key="hibernate.show_sql"> true </prop>
</props>
</property>
<property name="mappingresources">
<list>
<value> org/jzk/sxivr/vo/users.hbm.xml </value>
</list>
</property>
</bean>

<bean id="hibernatetemplate"
class="org.springframework.orm.hibernate3.hibernatetemplate">
<property name="sessionfactory">
<ref bean="sessionfactory" />
</property>
</bean>


<bean id="usersdao"
class="org.jzk.sxivr.dao.iface.impl.usersdaoimpl">
<property name="hibernatetemplate">
<ref bean="hibernatetemplate" />
</property>
</bean>


<bean id="usersservice"
class="org.jzk.sxivr.services.usersservices">
<property name="usersdao">
<ref bean="usersdao" />
</property>
</bean>


<bean id="usersaction"
class="org.jzk.sxivr.web.actions.useraction">
<property name="usersservice">
<ref bean="usersservice" />
</property>
</bean>
</beans>

web-inf\classes\struts.xml

<?xml version="1.0" encoding="gbk"?>
<!doctype struts public
"-//apache software foundation//dtd struts configuration 2.0//en"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.i18n.encoding" value="gbk" />

<package name="users" extends="struts-default">
<action name="login" class="usersaction">
<result name="suc"> /main.jsp </result>
<result name="fal"> /index.jsp </result>
</action>
</package>

</struts>

web-inf\web.xml

<?xml version="1.0" encoding="utf-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"
xsi:schemalocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name> sx系统 </display-name>

<context-param>
<param-name> contextconfiglocation </param-name>
<param-value> /web-inf/classes/applicationcontext.xml </param-value>
</context-param>

<welcome-file-list>
<welcome-file> index.jsp </welcome-file>
</welcome-file-list>
<filter>

<filter-name> struts2 </filter-name>

<filter-class>
org.apache.struts2.dispatcher.filterdispatcher
</filter-class>
</filter>
<filter-mapping>

<filter-name> struts2 </filter-name>
<url-pattern> /* </url-pattern>
</filter-mapping>
<listener>
<listener-class>
org.springframework.web.context.contextloaderlistener
</listener-class>
</listener>
</web-app>

发表于：2008-01-23 16:02:031楼得分:0

org.jzk.sxivr.dao.iface.impl.usersdaoimpl.login

package org.jzk.sxivr.dao.iface.impl;

import java.util.list;

import org.hibernate.query;
import org.jzk.sxivr.dao.iface.usersdao;
import org.jzk.sxivr.vo.users;
import org.springframework.orm.hibernate3.support.hibernatedaosupport;

public class usersdaoimpl extends hibernatedaosupport implements usersdao {

public boolean login（users user) throws exception {
boolean flag = false;
string hql="from users where userid=? and userpwd=?";
query q=super.getsession（).createquery（hql);
q.setstring（0, user.getuserid（));
q.setstring（1, user.getuserpwd（));
list all = q.list（);
if（all.size（)> 0){
flag = true;
}
return flag;
}

}

以下是我出现的问题的日志
2008-01-23 15:48:06,703 info [com.opensymphony.xwork2.util.objecttypedeterminerfactory] - detected genericsobjecttypedeterminer, initializing it...
2008-01-23 15:48:38,906 info [com.opensymphony.xwork2.validator.actionvalidatormanagerfactory] - detected annotationactionvalidatormanager, initializing it...
2008-01-23 15:48:39,718 error [org.apache.catalina.core.containerbase.[catalina].[localhost].[/sxivr].[default]] - servlet.service（) for servlet default threw exception
java.lang.nullpointerexception
at org.jzk.sxivr.dao.iface.impl.usersdaoimpl.login（usersdaoimpl.java:16)
at org.jzk.sxivr.services.usersservices.login（usersservices.java:10)
at org.jzk.sxivr.web.actions.useraction.ＥＸＥＣute（useraction.java:25)
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:589)
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)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at com.opensymphony.xwork2.validator.validationinterceptor.dointercept（validationinterceptor.java:150)
at org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept（annotationvalidationinterceptor.java:48)
at com.opensymphony.xwork2.interceptor.methodfilterinterceptor.intercept（methodfilterinterceptor.java:86)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at com.opensymphony.xwork2.interceptor.conversionerrorinterceptor.intercept（conversionerrorinterceptor.java:123)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at com.opensymphony.xwork2.interceptor.parametersinterceptor.dointercept（parametersinterceptor.java:167)
at com.opensymphony.xwork2.interceptor.methodfilterinterceptor.intercept（methodfilterinterceptor.java:86)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at com.opensymphony.xwork2.interceptor.staticparametersinterceptor.intercept（staticparametersinterceptor.java:105)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at org.apache.struts2.interceptor.checkboxinterceptor.intercept（checkboxinterceptor.java:83)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at org.apache.struts2.interceptor.fileuploadinterceptor.intercept（fileuploadinterceptor.java:207)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)
at com.opensymphony.xwork2.defaultactioninvocation.invoke（defaultactioninvocation.java:221)
at com.opensymphony.xwork2.interceptor.modeldriveninterceptor.intercept（modeldriveninterceptor.java:74)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:224)
at com.opensymphony.xwork2.defaultactioninvocation$2.doprofiling（defaultactioninvocation.java:223)
at com.opensymphony.xwork2.util.profiling.utiltimerstack.profile（utiltimerstack.java:455)

发表于：2008-01-23 16:02:142楼得分:0

发表于：2008-01-23 16:15:103楼得分:0

感觉应该是jar包的问题....

发表于：2008-01-23 16:46:284楼得分:0

对象未实例化，空指针异常nullpointerexception
你看看
usersdaoimpl.java类中的16行和useraction.java中的25行

发表于：2008-01-23 19:23:265楼得分:0

谢谢guoqiangone 指点,是你说的未实例化对象原因
加分结贴哈哈

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