type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception javax.servlet.ServletException
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.quotation.util.EncodingFilter.doFilter(EncodingFilter.java:28)
root cause java.lang.NullPointerException
com.quotation.daoimp.UserLoginDaoImp.findUser(UserLoginDaoImp.java:22)
com.quotation.serviceimp.UserLoginImp.findUser(UserLoginImp.java:18)
com.quotation.action.LoginAction.one(LoginAction.java:31)
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:585)
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:169)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.quotation.util.EncodingFilter.doFilter(EncodingFilter.java:28)
JAVA页面的代码
public class UserLoginDaoImp implements UserLoginDao {
List list=null;
public List findUser(String name, String password) {
Session session=HibernateSessionFactory.getSession();
Transaction tx=null;
String hql=null;
try {
hql="from User as a where a.YONGHU_YHMC='"+name+"' and a.YONGHU_YHMM='"+password+"'";
tx=session.beginTransaction();
list=session.createQuery(hql).list();
tx.commit();
return list;
} catch (HibernateException e) {
e.printStackTrace();
if(tx!=null) tx.rollback();
return null;
}finally{
HibernateSessionFactory.closeSession();
}
}貌似是Session session=HibernateSessionFactory.getSession();这一句出了问题session取不到值我是一个新手,这是别人写的代码,先还可以运行的,我也没有改代码,就调试了之后就不知道怎么回事不能运行了
谢谢那位大哥帮帮小弟吧,小弟在这跟你磕头了
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.quotation.util.EncodingFilter.doFilter(EncodingFilter.java:28)
root cause java.lang.NullPointerException
com.quotation.daoimp.UserLoginDaoImp.findUser(UserLoginDaoImp.java:22)
com.quotation.serviceimp.UserLoginImp.findUser(UserLoginImp.java:18)
com.quotation.action.LoginAction.one(LoginAction.java:31)
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:585)
org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:169)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.quotation.util.EncodingFilter.doFilter(EncodingFilter.java:28)
JAVA页面的代码
public class UserLoginDaoImp implements UserLoginDao {
List list=null;
public List findUser(String name, String password) {
Session session=HibernateSessionFactory.getSession();
Transaction tx=null;
String hql=null;
try {
hql="from User as a where a.YONGHU_YHMC='"+name+"' and a.YONGHU_YHMM='"+password+"'";
tx=session.beginTransaction();
list=session.createQuery(hql).list();
tx.commit();
return list;
} catch (HibernateException e) {
e.printStackTrace();
if(tx!=null) tx.rollback();
return null;
}finally{
HibernateSessionFactory.closeSession();
}
}貌似是Session session=HibernateSessionFactory.getSession();这一句出了问题session取不到值我是一个新手,这是别人写的代码,先还可以运行的,我也没有改代码,就调试了之后就不知道怎么回事不能运行了
谢谢那位大哥帮帮小弟吧,小弟在这跟你磕头了
就是这一句,session取不到值,是null
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration><session-factory>
<property name="connection.url">jdbc:odbc:;DRIVER={Microsoft Access Driver (*.mdb)};DBQ=D:\\workspace\\quotation\\WebRoot\\data.mdb</property>
<property name="myeclipse.connection.profile">Access</property>
<property name="connection.driver_class">
sun.jdbc.odbc.JdbcOdbcDriver
</property>
<property name="show_sql">true</property>
<property name="dialect">
com.hxtt.support.hibernate.HxttAccessDialect
</property>
<mapping resource="com/quotation/orm/User.hbm.xml" />
<mapping resource="com/quotation/orm/Rate.hbm.xml" />
<mapping resource="com/quotation/orm/Menu.hbm.xml" />
<mapping resource="com/quotation/orm/BanLeiXing.hbm.xml" />
<mapping resource="com/quotation/orm/PcbFJCS.hbm.xml" />
<mapping resource="com/quotation/orm/PoolCS.hbm.xml" />
<mapping resource="com/quotation/orm/InterzoneRate.hbm.xml" />
<mapping resource="com/quotation/orm/UserQ.hbm.xml" />
<mapping resource="com/quotation/orm/YunFei.hbm.xml" />
<mapping resource="com/quotation/orm/CanShuLX.hbm.xml" />
</session-factory></hibernate-configuration>
这东西
你先换SQL方言试下:
org.hibernate.dialect.SQLServerDialect
只能一步一步的排除错误
你也在其他地方搜索下
hibernate配置Access
我估计没多少人用过另外HibernateSessionFactory.getSession();
调试看看这里面有问题没有
try {
hql="from User as a where a.YONGHU_YHMC='"+name+"' and a.YONGHU_YHMM='"+password+"'";
tx=session.beginTransaction();
list=session.createQuery(hql).list();
tx.commit();
return list; 先声明,我不会hibernate啊。
弱弱的问一句,hql可以没有 select * 放在语句的前面吗?
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration> <session-factory> <property name="hibernate.dialect">
com.hxtt.support.hibernate.HxttAccessDialect
</property>
<property name="hibernate.connection.url">
jdbc:access:///d:/test.mdb
</property>
<property name="hibernate.connection.driver_class">
com.hxtt.sql.access.AccessDriver
</property>
<mapping
resource="com/nantian/bean/user.hbm.xml" />
</session-factory>
</hibernate-configuration>
Access_JDBC30.jar和hibernate.jar
2、连接access的hibernate.cfg.xml的写法:(注意源文件的地址写入) <session-factory>
<property name="hibernate.connection.username"></property>
<property name="hibernate.connection.password"></property>
<property name="hibernate.dialect">com.hxtt.support.hibernate.HxttAccessDialect</property>
<property name="hibernate.connection.url">jdbc:access:///F:/JSP/structs/Book/shop.mdb</property>
<property name="hibernate.connection.driver_class">com.hxtt.sql.access.AccessDriver</property>
<property name="hiberante.show_sql">true</property>
<mapping resource="com/shop/book/domain/Book.hbm.xml" />
</session-factory>