Arquivo Discussoes de Programacao e Tecnologia 
Olá
Eu estava trabalhando com hibernate com uma estrutura de diretórios, depois que mudei para outra estrutura de diretórios começo a dar esse erro:09:21:45,981 INFO [STDOUT] Erro ao inserir<TIPOINFO> IDTIPOINFO:null NOME:Nome5
00 DESCRICAO Nome de 500 TIPO:261 ATIVO:1 TAMANHO:500 DATAINCLUSAOALTERACAO:null
</TIPOINFO>net.sf.hibernate.LazyInitializationException: Hibernate lazy instanti
ation problem
Grato
Oi,
Você lembra de como (ou “se” :mrgreen: ) resolveu?
Quase mesmo problema … 
Shoes
Tinha uma droga de exceção camuflando a stacktrace
br.com.zahl.zahlscript.SystemException: br.com.zahl.zahlscript.PersistenceException: net.sf.hibernate.LazyInitializationException: Hibernate lazy instantiation problem
br.com.zahl.zahlscript.UserManager.listUsers(Unknown Source)
br.com.zahl.zahlscript.ListUsersServlet.process(Unknown Source)
br.com.zahl.zahlscript.web.OServlet.service(Unknown Source)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)
...
Caused by: com.orga.obqs.persistence.PersistenceException: net.sf.hibernate.LazyInitializationException: Hibernate lazy instantiation problem
at br.com.zahl.zahlscript..persistence.UserDao.list(Unknown Source)
... 37 more
Caused by: net.sf.hibernate.LazyInitializationException: Hibernate lazy instantiation problem
at net.sf.hibernate.jmx.SessionFactoryStub.getImpl(SessionFactoryStub.java:77)
at net.sf.hibernate.jmx.SessionFactoryStub.openSession(SessionFactoryStub.java:62)
at br.com.zahl.zahlscript.HibernateUtil.currentSession(Unknown Source)
... 38 more
Caused by: net.sf.hibernate.MappingException: could not instantiate id generator
at net.sf.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:82)
at net.sf.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:82)
at net.sf.hibernate.persister.AbstractEntityPersister.<init>(AbstractEntityPersister.java:630)
at net.sf.hibernate.persister.EntityPersister.<init>(EntityPersister.java:716)
at net.sf.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:42)
at net.sf.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:136)
at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:768)
at net.sf.hibernate.jmx.HibernateService.buildSessionFactory(HibernateService.java:176)
at net.sf.hibernate.jmx.SessionFactoryStub.getImpl(SessionFactoryStub.java:74)
... 40 more
Caused by: java.lang.ClassNotFoundException:
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:141)
at net.sf.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:102)
at net.sf.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:76)
Faltou a droga do generator 
Oi,Você lembra de como (ou “se” :mrgreen: ) resolveu?
Quase mesmo problema …
Shoes