急!!!关于hibernate+SQLserver

我的hibernate.cfg.xml配置如下:

<?xml version='1.0' encoding='UTF-8'?>
<!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.driver_class">
  com.microsoft.jdbc.sqlserver.SQLServerDriver
  </property>
  <property name="connection.url">
  jdbc:microsoft:sqlserver://localhost:1433;databaseName=HumanResources
  </property>
  <property name="dialect">
  net.sf.hibernate.dialect.SQLServerDialect
  </property>
  <property name="connection.username">
  sa
  </property>
  <property name="connection.password">
  password
  </property>
  <property name="show_sql">
  true
  </property>

  <mapping resource="com/iss/lax/mapping/sourceemp.hbm.xml" />
  <mapping resource="com/iss/lax/mapping/sourcedep.hbm.xml" />
   
  </session-factory>

</hibernate-configuration>

mssqlserver.jar;msutil.jar;msbase.jar 三个包,我也加到了classpath里.结果运行时,报如下错:

%%%% Error Creating SessionFactory %%%%
org.hibernate.HibernateException: Dialect class not found: net.sf.hibernate.dialect.SQLServerDialect
at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:81)
at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:42)
at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:378)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:110)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1881)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1174)
at com.iss.lax.hibernate0831.HibernateSessionFactory.currentSession(HibernateSessionFactory.java:64)
at com.iss.lax.db.DbFunction.loginFindOut(DbFunction.java:31)
at com.iss.lax.action.MyAction.login(MyAction.java:55)
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.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.iss.lax.filter.UrlFilter.doFilter(UrlFilter.java:43)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)