Pessoal, boa tarde!
Estou seguindo a apostila fj-28 para desenvolver um projeto e após passar pelo capitulo 8 comecei a ter o problema a seguir:
GRAVE: Servlet.service() for servlet [default] in context with path [/muffato] threw exception
br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: org.hibernate.SessionException: Session is closed!
at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:96)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:83)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:71)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:48)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69)
at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44)
at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92)
at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58)
at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.hibernate.SessionException: Session is closed!
at org.hibernate.impl.AbstractSessionImpl.errorIfClosed(AbstractSessionImpl.java:72)
at org.hibernate.impl.SessionImpl.createCriteria(SessionImpl.java:1536)
at br.com.disoft.dao.UsuarioDAO.localizaTodos(UsuarioDAO.java:42)
at br.com.disoft.controller.UsuarioController.lista(UsuarioController.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:61)
... 40 moreMinha classe DAO:
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.Transaction;
import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.ioc.SessionScoped;
import br.com.disoft.usuario.Usuario;
@SessionScoped
@Component
public class UsuarioDAO {
private final Session session;
public UsuarioDAO(Session session) {
this.session = session;
}
public void adiciona(final Usuario usuario) {
Transaction transaction = session.beginTransaction();
usuario.setAtivo(true);
session.save(usuario);
transaction.commit();
}
public Usuario carrega(Integer id) {
return (Usuario) this.session.load(Usuario.class, id);
}
public void atualiza(Usuario usuario) {
Transaction tx = session.beginTransaction();
this.session.update(usuario);
tx.commit();
}
@SuppressWarnings("unchecked")
public List<Usuario> localizaTodos() {
Criteria criteria = session.createCriteria(Usuario.class);
return criteria.list();
}
}Criador de Session:
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.ioc.ComponentFactory;
@Component
public class CriadorDeSession implements ComponentFactory<Session> {
private final SessionFactory factory;
private Session session;
public CriadorDeSession(SessionFactory factory) {
this.factory = factory;
}
@PostConstruct
public void abre() {
this.session = factory.openSession();
}
public Session getInstance() {
return this.session;
}
@PreDestroy
public void fecha() {
this.session.close();
}
}Criador de Session Factory:
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import br.com.caelum.vraptor.ioc.ApplicationScoped;
import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.ioc.ComponentFactory;
@Component
@ApplicationScoped
public class CriadorDeSessionFactory implements ComponentFactory<SessionFactory> {
private SessionFactory factory;
@PostConstruct
public void abre() {
AnnotationConfiguration configuration = new AnnotationConfiguration();
configuration.configure();
this.factory = configuration.buildSessionFactory();
}
public SessionFactory getInstance() {
return this.factory;
}
@PreDestroy
public void fecha() {
this.factory.close();
}
}Controller:
import br.com.caelum.vraptor.Get;
import br.com.caelum.vraptor.Path;
import br.com.caelum.vraptor.Resource;
import br.com.caelum.vraptor.Result;
import br.com.disoft.dao.UsuarioDAO;
import br.com.disoft.usuario.Usuario;
@Resource
public class UsuarioController {
private UsuarioDAO dao;
private Result result;
public UsuarioController(Result result, UsuarioDAO dao) {
this.dao = dao;
this.result = result;
}
public String boasVindas() {
return "olá mundo!";
}
public void formulario() {
}
public void adiciona(Usuario usuario) {
dao.adiciona(usuario);
result.redirectTo(this).lista();
}
@Path("/usuario")
@Get
public void lista() {
result.include("usuarios", dao.localizaTodos());
}
public Usuario edita(Integer id) {
return dao.carrega(id);
}
public void altera(Usuario usuario) {
dao.atualiza(usuario);
result.redirectTo(this).lista();
}
public void desativa(Integer id) {
Usuario usuario = dao.carrega(id);
usuario.setAtivo(false);
altera(usuario);
}
}Já revisei a apostila desde o capitulo 5 duas vezes e não achei o que pode estar errado, alguém tem alguma sugestão???
Muito obrigado.