Erro Hibernate

09:18:41,453 INFO  [TilesRequestProcessor] Tiles definition factory found for request processor ''.
09:24:05,093 INFO  [DispatcherAction] 		URI requisitada >> /integrau/menuSuperior.do
09:24:05,093 INFO  [DispatcherAction] 		Chamando método >> executeMenuSuperior
09:24:05,484 INFO  [Configuration] configuring from resource: /hibernate.cfg.xml
09:24:05,484 INFO  [Configuration] Configuration resource: /hibernate.cfg.xml
09:24:05,484 INFO  [Configuration] Reading mappings from resource: br/com/creare/integrau/hibernate/Logon.hbm.xml
09:24:05,515 INFO  [HbmBinder] Mapping class: br.com.creare.integrau.hibernate.Logon -> logon
09:24:05,515 INFO  [Configuration] Reading mappings from resource: br/com/creare/integrau/hibernate/PapelLogon.hbm.xml
09:24:05,562 INFO  [HbmBinder] Mapping class: br.com.creare.integrau.hibernate.PapelLogon -> papel_logon
09:24:05,562 INFO  [Configuration] Reading mappings from resource: br/com/creare/integrau/hibernate/Papel.hbm.xml
09:24:05,578 INFO  [HbmBinder] Mapping class: br.com.creare.integrau.hibernate.Papel -> papel
09:24:05,593 INFO  [Configuration] Configured SessionFactory: null
09:24:05,593 INFO  [HbmBinder] Mapping collection: br.com.creare.integrau.hibernate.Logon.papelLogons -> papel_logon
09:24:05,593 INFO  [HbmBinder] Mapping collection: br.com.creare.integrau.hibernate.Papel.papelLogons -> papel_logon
09:24:05,593 WARN  [RootClass] composite-id class does not override equals(): br.com.creare.integrau.hibernate.PapelLogonId
09:24:05,593 WARN  [RootClass] composite-id class does not override hashCode(): br.com.creare.integrau.hibernate.PapelLogonId
09:24:05,656 INFO  [DriverManagerConnectionProvider] Using Hibernate built-in connection pool (not for production use!)
09:24:05,671 INFO  [DriverManagerConnectionProvider] Hibernate connection pool size: 20
09:24:05,671 INFO  [DriverManagerConnectionProvider] autocommit mode: false
09:24:05,671 INFO  [DriverManagerConnectionProvider] using driver: org.postgresql.Driver at URL: jdbc:postgresql://localhost:5432/integrauDB/
09:24:05,671 INFO  [DriverManagerConnectionProvider] connection properties: {user=integrau, password=integrau}
09:24:05,750 INFO  [SettingsFactory] RDBMS: PostgreSQL, version: 8.1.4
09:24:05,750 INFO  [SettingsFactory] JDBC driver: PostgreSQL Native Driver, version: PostgreSQL 8.1 JDBC3 with SSL (build 404)
09:24:05,750 INFO  [Dialect] Using dialect: org.hibernate.dialect.PostgreSQLDialect
09:24:05,750 INFO  [TransactionFactoryFactory] Transaction strategy: org.hibernate.transaction.JDBCTransactionFactory
09:24:05,750 INFO  [TransactionManagerLookupFactory] No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
09:24:05,750 INFO  [SettingsFactory] Automatic flush during beforeCompletion(): disabled
09:24:05,750 INFO  [SettingsFactory] Automatic session close at end of transaction: disabled
09:24:05,750 INFO  [SettingsFactory] JDBC batch size: 15
09:24:05,750 INFO  [SettingsFactory] JDBC batch updates for versioned data: disabled
09:24:05,750 INFO  [SettingsFactory] Scrollable result sets: enabled
09:24:05,750 INFO  [SettingsFactory] JDBC3 getGeneratedKeys(): disabled
09:24:05,750 INFO  [SettingsFactory] Connection release mode: auto
09:24:05,750 INFO  [SettingsFactory] Default batch fetch size: 1
09:24:05,750 INFO  [SettingsFactory] Generate SQL with comments: disabled
09:24:05,765 INFO  [SettingsFactory] Order SQL updates by primary key: disabled
09:24:05,765 INFO  [SettingsFactory] Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
09:24:05,765 INFO  [ASTQueryTranslatorFactory] Using ASTQueryTranslatorFactory
09:24:05,765 INFO  [SettingsFactory] Query language substitutions: {}
09:24:05,765 INFO  [SettingsFactory] Second-level cache: enabled
09:24:05,765 INFO  [SettingsFactory] Query cache: disabled
09:24:05,765 INFO  [SettingsFactory] Cache provider: org.hibernate.cache.EhCacheProvider
09:24:05,812 ERROR [LogInterceptor] TransactionRolledbackLocalException in method: public abstract boolean br.com.creare.integrau.beans.geral.hibernate.ejb.LoginHibernateLocal.addLogin(java.lang.Object) throws javax.ejb.EJBException, causedBy:
javax.ejb.EJBException: Unexpected Error
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:1881)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1174)
	at br.com.creare.integrau.hibernate.AHibernateSessionManager.initSessionFactory(AHibernateSessionManager.java:67)
	at br.com.creare.integrau.hibernate.AHibernateSessionManager.getInstance(AHibernateSessionManager.java:38)
	at br.com.creare.integrau.beans.geral.hibernate.ejb.LoginHibernateEJB.addLogin(LoginHibernateEJB.java:138)

<?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="dialect">org.hibernate.dialect.PostgreSQLDialect</property>
	<property name="myeclipse.connection.profile">IntegrauDB</property>
	<property name="connection.url">jdbc:postgresql://localhost:5432/integrauDB/</property>
	<property name="connection.username">integrau</property>
	<property name="connection.password">integrau</property>
	<property name="connection.driver_class">org.postgresql.Driver</property>
	<property name="transaction.factory_class">org.hibernate.transaction.JDBCTransactionFactory</property>
	<property name="current_session_context_class">org.hibernate.context.ThreadLocalSessionContext</property>
	<mapping resource="br/com/creare/integrau/hibernate/Logon.hbm.xml" />
	<mapping resource="br/com/creare/integrau/hibernate/PapelLogon.hbm.xml" />
	<mapping resource="br/com/creare/integrau/hibernate/Papel.hbm.xml" />

</session-factory>
</hibernate-configuration>