Hello, i´m traying to make a servlet aplication with hibernate 3 for tomcat 5.5. When deploy the aplication in tomcat all be fine, but when i tray to create a sessionfactory ( sessionFactory = configuration.buildSessionFactory()) I get an error.

This is my code:

Mapping documents:

<hibernate-mapping package="Servidor">
<class name="Tareas" table="tareas" catalog="servidor">
<composite-id name="id" class="TareasId">
<key-property name="idCliente" type="java.lang.Short">
<column name="Id_cliente" />
</key-property>
<key-property name="idEnvio" type="java.lang.Short">
<column name="Id_envio" />
</key-property>
</composite-id>
<many-to-one name="envios" class="Envios" update="false" insert="false" fetch="select">
<column name="Id_envio" not-null="true" />
</many-to-one>
<many-to-one name="clientes" class="Clientes" update="false" insert="false" fetch="select">
<column name="Id_cliente" not-null="true" />
</many-to-one>
</class>
</hibernate-mapping>


hibernate.cfg.xml:

<hibernate-configuration>

<session-factory>
<property name="connection.username">root</property>
<property name="connection.url">jdbc:mysql://localhost:3306/servidor</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="myeclipse.connection.profile">com.mysql.jdbc.Driver</property>
<property name="connection.password">admin</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<mapping resource="Servidor/Clientes.hbm.xml"></mapping>
<mapping resource="Servidor/Contenidos.hbm.xml" />
<mapping resource="Servidor/Envios.hbm.xml" />
<mapping resource="Servidor/Tareas.hbm.xml" />
<mapping resource="Servidor/Usuarios.hbm.xml" />
</session-factory>

</hibernate-configuration>





When i execute sessionFactory = configuration.buildSessionFactory();

I get this error:

Full stack trace of any exception that occurs:

00:56,656 ERROR BasicLazyInitializer:103 - CGLIB Enhancement failed: Servidor.Tareas
net.sf.cglib.core.CodeGenerationException: java.lang.reflect.InvocationTargetException-->null
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:236)
at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java:373)
at net.sf.cglib.proxy.Enhancer.create(Enhancer.java:281)
at net.sf.cglib.proxy.Enhancer.create(Enhancer.java:640)
at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:94)
at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:42)
at org.hibernate.tuple.PojoTuplizer.buildProxyFactory(PojoTuplizer.java:144)
at org.hibernate.tuple.AbstractTuplizer.<init>(AbstractTuplizer.java:83)
at org.hibernate.tuple.PojoTuplizer.<init>(PojoTuplizer.java:54)
at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:47)
at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java:218)
at org.hibernate.persister.entity.BasicEntityPersister.<init>(BasicEntityPersister.java:400)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:104)
at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:211)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1005)
at Servidor.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:31)
at Servidor.BaseHibernateDAO.getSession(BaseHibernateDAO.java:13)
at Servidor.UsuariosDAO.findByExample(UsuariosDAO.java:65)
at Servidor.Login.doGet(Login.java:40)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
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 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.reflect.InvocationTargetException
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:585)
at net.sf.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:373)
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:218)
... 35 more
Caused by: java.lang.SecurityException: class "Servidor.Tareas$$EnhancerByCGLIB$$a556f282"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:775)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
at java.lang.ClassLoader.defineClass(ClassLoader.java:614)
... 41 more



The aplication run well but this error appear when i create a org.hibernate.SessionFactory.

any idea, thanks