14:57:59,574 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception
java.lang.NoClassDefFoundError: net/sf/ehcache/CacheException

<?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">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
        <property name="hibernate.connection.password">xxxxxx</property>
        <property name="hibernate.connection.url">jdbc:postgresql://localhost:xxxx/XXXX</property>
        <property name="hibernate.connection.username">xxxxx</property>
        <property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>
       
        <!-- mapping files -->
       <mapping resource="UserGroup.hbm.xml" />
       <mapping resource="Users.hbm.xml" />
       <mapping resource="Module.hbm.xml" />
    </session-factory>
</hibernate-configuration>

Session session = HibernateSessionFactory.currentSession();

   //always start  a transaction before doing something
   // from the database
   Transaction transaction = session.beginTransaction();

   List users =  session.createQuery("from Users").list();
   for (Iterator iterator = users.iterator(); iterator.hasNext();) {
      Users user = (Users) iterator.next();
      System.out.println("Id " + user.getUserID() + " Name " + user.getFirstName());
   }
   // commit your transaction or nothing is wrote to the db
   transaction.commit();
   // lean up (close the session)
   HibernateSessionFactory.closeSession();

14:57:59,338 INFO  [Configuration] configuring from resource: hibernate.cfg.xml
14:57:59,339 INFO  [Configuration] Configuration resource: hibernate.cfg.xml
14:57:59,363 INFO  [Configuration] Reading mappings from resource: Users.hbm.xml
14:57:59,419 INFO  [HbmBinder] Mapping class: ValueObjects.Users -> users
14:57:59,531 INFO  [Configuration] Configured SessionFactory: null
14:57:59,534 INFO  [Configuration] processing extends queue
14:57:59,535 INFO  [Configuration] processing collection mappings
14:57:59,536 INFO  [Configuration] processing association property references
14:57:59,537 INFO  [Configuration] processing foreign key constraints
14:57:59,538 INFO  [DriverManagerConnectionProvider] Using Hibernate built-in connection pool (not for production use!)
14:57:59,539 INFO  [DriverManagerConnectionProvider] Hibernate connection pool size: 20
14:57:59,539 INFO  [DriverManagerConnectionProvider] autocommit mode: false
14:57:59,540 INFO  [DriverManagerConnectionProvider] using driver: org.postgresql.Driver at URL: jdbc:postgresql://localhost:5432/TRIM
14:57:59,541 INFO  [DriverManagerConnectionProvider] connection properties: {user=admin, password=123456}
14:57:59,550 INFO  [SettingsFactory] RDBMS: PostgreSQL, version: 8.0.4
14:57:59,550 INFO  [SettingsFactory] JDBC driver: PostgreSQL Native Driver, version: PostgreSQL 8.0 JDBC3 with SSL (build 314)
14:57:59,552 INFO  [Dialect] Using dialect: org.hibernate.dialect.PostgreSQLDialect
14:57:59,558 INFO  [TransactionFactoryFactory] Using default transaction strategy (direct JDBC transactions)
14:57:59,558 INFO  [TransactionManagerLookupFactory] No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
14:57:59,559 INFO  [SettingsFactory] Automatic flush during beforeCompletion(): disabled
14:57:59,560 INFO  [SettingsFactory] Automatic session close at end of transaction: disabled
14:57:59,561 INFO  [SettingsFactory] JDBC batch size: 15
14:57:59,561 INFO  [SettingsFactory] JDBC batch updates for versioned data: disabled
14:57:59,562 INFO  [SettingsFactory] Scrollable result sets: enabled
14:57:59,563 INFO  [SettingsFactory] JDBC3 getGeneratedKeys(): disabled
14:57:59,563 INFO  [SettingsFactory] Connection release mode: auto
14:57:59,564 INFO  [SettingsFactory] Default batch fetch size: 1
14:57:59,565 INFO  [SettingsFactory] Generate SQL with comments: disabled
14:57:59,566 INFO  [SettingsFactory] Order SQL updates by primary key: disabled
14:57:59,567 INFO  [SettingsFactory] Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
14:57:59,568 INFO  [ASTQueryTranslatorFactory] Using ASTQueryTranslatorFactory
14:57:59,569 INFO  [SettingsFactory] Query language substitutions: {}
14:57:59,570 INFO  [SettingsFactory] Second-level cache: enabled
14:57:59,570 INFO  [SettingsFactory] Query cache: disabled
14:57:59,571 INFO  [SettingsFactory] Cache provider: org.hibernate.cache.EhCacheProvider
14:57:59,574 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception
java.lang.NoClassDefFoundError: net/sf/ehcache/CacheException
   at java.lang.Class.getDeclaredConstructors0(Native Method)
   at java.lang.Class.privateGetDeclaredConstructors(Class.java:2328)
   at java.lang.Class.getConstructor0(Class.java:2640)
   at java.lang.Class.newInstance0(Class.java:321)
   at java.lang.Class.newInstance(Class.java:303)
   at org.hibernate.cfg.SettingsFactory.createCacheProvider(SettingsFactory.java:327)
   at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:219)
   at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1823)
   at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1143)
   at HandleUsers.HibernateSessionFactory.currentSession(HibernateSessionFactory.java:52)
   at HandleUsers.HandleUsersController.getUsers(HandleUsersController.java:54)
   at org.apache.jsp.HandleUsers_jsp._jspService(org.apache.jsp.HandleUsers_jsp:126)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
   at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
   at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
   at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
   at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
   at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
   at java.lang.Thread.run(Thread.java:595)

<%@ page language="java"%>
<%@page import="java.util.*"%>
<%@page import="ValueObjects.*"%>
<%@page import="HandleUsers.*"%>
<%@ page import="java.util.List" %>

<% HandleUsersController handleUsersController = new HandleUsersController(); %>
<% List users = null; %>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
  <% 
  users = handleUsersController.getUsers();
//  handleUsersController.getUsers();
  ////   Users user = (Users) iterator.next();%>
      <tr bgcolor="#CCCCCC">
    <td><% // user.getLastName()%></td>
    <td><%  //user.getFirstName()%></td>
    <td><% // user.getGroupID()%></td>
    <td>&lt;endre&gt;</td>
    <td>&lt;slett&gt;</td>
  </tr>
   <%// } %>
 

</body>
</html>

package HandleUsers;
import java.util.Iterator;
import java.util.List;

import org.apache.log4j.Logger;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import ValueObjects.*;
public class HandleUsersController {
   
   public HandleUsersController() {
//   HandleUsersController handleUsersController = new HandleUsersController();
   

      
   }
   
   
   public List getUsers() {
      //log.info("listing Users");
      try {
         
      
   
   Session session = HibernateSessionFactory.currentSession();

   Transaction transaction = session.beginTransaction();

   List users =  session.createQuery("from Users").list();
   for (Iterator iterator = users.iterator(); iterator.hasNext();) {
      Users user = (Users) iterator.next();
      System.out.println("Id " + user.getUserID() + " Name " + user.getFirstName());
   }

   transaction.commit();

   HibernateSessionFactory.closeSession();
   return users;
      } catch (HibernateException e) {
         // problem with Hibernate happened
         System.out.println("HIBERNATE EXCEPTION FRA HANDLEUSERCONTROLLER");
         e.printStackTrace();
         return null;
      } catch (Exception m){
         System.out.println("EN NFEIL FRA HANDSLEUSERSCONTROLLERENEN");
         m.printStackTrace();
         
         return null;
      }
      
   
   }

}