Hi, i have a problem...
Sometimes i receive this Exception...
Not always but sometimes....

org.hibernate.proxy.BasicLazyInitializer CGLIB Enhancement failed:
it.cc.dd.ee.Richiesta
11/01/07 12.42.08:061 CET] e6ba2fe BasicLazyInit E org.hibernate.proxy.BasicLazyInitializer TRAS0014I: È stata registrata la seguente eccezione java.lang.OutOfMemoryError
at org.objectweb.asm.ByteVector.<init>(Unknown Source)
at org.objectweb.asm.ClassWriter.toByteArray(Unknown Source)
at net.sf.cglib.core.DebuggingClassWriter.access$001(DebuggingClassWriter.java(Inlined Compiled Code))
at net.sf.cglib.core.DebuggingClassWriter$1.run(DebuggingClassWriter.java(Compiled Code))
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at net.sf.cglib.core.DebuggingClassWriter.toByteArray(DebuggingClassWriter.java(Inlined Compiled Code))
at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java(Compiled Code))
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java(Compiled Code))
at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java(Compiled Code))
at net.sf.cglib.proxy.Enhancer.createClass(Enhancer.java(Inlined Compiled Code))
at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java(Compiled Code))
at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java(Compiled Code))
at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java(Compiled Code))
at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java(Compiled Code))
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java(Compiled Code))
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java(Compiled Code))
at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java(Compiled Code))
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java(Compiled Code))
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
at it.ferservizi.sd.service.support.HibernateUtil.getSessionFactory(HibernateUtil.java:42)
at it.ferservizi.sd.servlet.ServletController.service(ServletController.java:115)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.SingleThreadModelServlet.service(SingleThreadModelServlet.java:118)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServicingServletState.service(StrictLifecycleServlet.java:333)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java(Compiled Code))
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java(Compiled Code))
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java(Compiled Code))
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java(Compiled Code))
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java(Compiled Code))
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java(Compiled Code))
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java(Compiled Code))
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java(Compiled Code))
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))
.
java.lang.OutOfMemoryError
at org.objectweb.asm.ByteVector.<init>(Unknown Source)
at org.objectweb.asm.ClassWriter.toByteArray(Unknown Source)
at net.sf.cglib.core.DebuggingClassWriter.access$001(DebuggingClassWriter.java(Inlined Compiled Code))
at net.sf.cglib.core.DebuggingClassWriter$1.run(DebuggingClassWriter.java(Compiled Code))
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at net.sf.cglib.core.DebuggingClassWriter.toByteArray(DebuggingClassWriter.java(Inlined Compiled Code))
at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java(Compiled Code))
at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java(Compiled Code))
at net.sf.cglib.proxy.Enhancer.createHelper(Enhancer.java(Compiled Code))
at net.sf.cglib.proxy.Enhancer.createClass(Enhancer.java(Inlined Compiled Code))
at org.hibernate.proxy.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java(Compiled Code))
at org.hibernate.proxy.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java(Compiled Code))
at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java(Compiled Code))
at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java(Compiled Code))
at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java(Compiled Code))
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java(Compiled Code))
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java(Compiled Code))
at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java(Compiled Code))
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java(Compiled Code))
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
at it.ferservizi.sd.service.support.HibernateUtil.getSessionFactory(HibernateUtil.java:42)
at it.ferservizi.sd.servlet.ServletController.service(ServletController.java:115)
at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.SingleThreadModelServlet.service(SingleThreadModelServlet.java:118)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServicingServletState.service(StrictLifecycleServlet.java:333)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code))
at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java(Compiled Code))
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java(Compiled Code))
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java(Compiled Code))
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java(Compiled Code))
at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java(Compiled Code))
at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java(Compiled Code))
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java(Compiled Code))
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java(Compiled Code))
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java(Compiled Code))
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))

[11/01/07 12.42.13:279 CET] 435fe2fd WebGroup I SRVE0180I: [serviceDesk] [/serviceDesk] [Servlet.LOG]: ServletController: init
[11/01/07 12.42.13:281 CET] e6ba2fe PojoEntityTup W org.hibernate.tuple.PojoEntityTuplizer could not create proxy factory for:it.ferservizi.sd.bean.Richiesta
[11/01/07 12.42.13:285 CET] 431e22fd DriverManager I org.hibernate.connection.DriverManagerConnectionProvider Using Hibernate built-in connection pool (not for production use!)
[11/01/07 12.42.13:288 CET] 64cb62e0 SessionFactor I org.hibernate.impl.SessionFactoryObjectFactory Not binding factory to JNDI, no JNDI name configured
[11/01/07 12.42.14:960 CET] 431e22fd DriverManager I org.hibernate.connection.DriverManagerConnectionProvider Hibernate connection pool size: 100
[11/01/07 12.42.14:960 CET] 431e22fd DriverManager I org.hibernate.connection.DriverManagerConnectionProvider autocommit mode: false
[11/01/07 12.42.14:960 CET] 435fe2fd Configuration I org.hibernate.cfg.Configuration configuring from file: Hibernate.cfg.xml


Please, HELP ME!!!
Marco