Discussoes de Programacao e Tecnologia

Problema com CDI + Tomcat + JSF 2

1 resposta
BLV_DOOM_JAVA
BLV_DOOM_JAVA

Pessoal, boa tarde!

Eu estou com problemas com uma aplicação que comecei a fazer para aprender CDI e não sei o que pode ser...
me ajudem...
Segue as classes e o erro:

package br.com.transportadora.dao;

import java.io.Serializable;
import java.util.List;

public interface Dao<T> extends Serializable {
	
	public void save(T entity);
	public T update(T entity);
	public void delete(T entity);
	public T find(Integer id);
	public T findReference(Integer id);
	public List<T> list();

}

package br.com.transportadora.dao;

import java.util.List;

import br.com.transportadora.model.Usuario;

public interface UsuarioDao extends Dao<Usuario> {
	
	public Usuario findByLoginSenha(String login, String senha);
	public List<Usuario> listAdministradores();
	public List<Usuario> listUsuariosPadrao();

}

package br.com.transportadora.dao;

import java.util.List;

import br.com.transportadora.model.Usuario;

public interface UsuarioDao extends Dao<Usuario> {
	
	public Usuario findByLoginSenha(String login, String senha);
	public List<Usuario> listAdministradores();
	public List<Usuario> listUsuariosPadrao();

}

package br.com.transportadora.dao.imp;

import java.util.List;

import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import br.com.transportadora.dao.UsuarioDao;
import br.com.transportadora.model.Tipo;
import br.com.transportadora.model.Usuario;
import br.com.transportadora.qualifiers.UsuarioDaoCDI;

@UsuarioDaoCDI
public class UsuarioDaoImpl extends BaseDaoImpl<Usuario> implements UsuarioDao {
	
	private static final long serialVersionUID = 1L;

	@Inject
	public UsuarioDaoImpl(EntityManager manager) {
		super.manager = manager;
		classePersistente = Usuario.class;
	}

	@Override
	public Usuario findByLoginSenha(String login, String senha) {
		CriteriaBuilder cb = manager.getCriteriaBuilder();
		CriteriaQuery<Usuario> cq = cb.createQuery(classePersistente);
		Root<Usuario> root = cq.from(classePersistente);
		Predicate predicate = cb.and(cb.equal(root.get("login"), cb.parameter(String.class, "login")),cb.equal(root.get("senha"), cb.parameter(String.class, "senha")));
		cq.where(predicate);
		TypedQuery<Usuario> tq = manager.createQuery(cq);
		tq.setParameter("login", login);
		tq.setParameter("senha", senha);
		return  tq.getSingleResult();
	}

	@Override
	public List<Usuario> listAdministradores() {
		CriteriaBuilder cb = manager.getCriteriaBuilder();
		CriteriaQuery<Usuario> cq = cb.createQuery(classePersistente);
		Root<Usuario> root = cq.from(classePersistente);
		cq.select(root);
		Predicate predicate = cb.equal(root.get("tipo"), cb.parameter(Tipo.class, "tipo")); 
		cq.where(predicate);
		TypedQuery<Usuario> tq = manager.createQuery(cq);
		tq.setParameter("tipo", Tipo.ADMIN);
		return tq.getResultList();
	}

	@Override
	public List<Usuario> listUsuariosPadrao() {
		CriteriaBuilder cb = manager.getCriteriaBuilder();
		CriteriaQuery<Usuario> cq = cb.createQuery(classePersistente);
		Root<Usuario> root = cq.from(classePersistente);
		cq.select(root);
		Predicate predicate = cb.equal(root.get("tipo"), cb.parameter(Tipo.class, "tipo"));
		cq.where(predicate);
		TypedQuery<Usuario> tq = manager.createQuery(cq);
		tq.setParameter("tipo", Tipo.USER);
		return tq.getResultList();
	}

}

package br.com.transportadora.qualifiers;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.ElementType.TYPE;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import javax.inject.Qualifier;


@Qualifier
@Retention(RetentionPolicy.RUNTIME)
@Target({TYPE, METHOD, FIELD, PARAMETER})
public @interface UsuarioDaoCDI {

}

package br.com.transportadora.util;

import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

@RequestScoped
public class EntityManagerProdutor {
	
	@Produces @RequestScoped
	public EntityManager getEntityManager() {
		EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("transportadora-pu");
		EntityManager entityManager = entityManagerFactory.createEntityManager();
		return entityManager;
		
	}
	
	public void disposeEntityManager(@Disposes EntityManager em) {
		em.close();
	}

}

package br.com.transportadora.service;

import java.io.Serializable;
import java.util.List;

public interface Service<T> extends Serializable {
	
	public void save(T entity);
	public T update(T entity);
	public void delete(T entity);
	public T find(Integer id);
	public T findReference(Integer id);
	public List<T> list();

}

package br.com.transportadora.service;

import java.util.List;

import br.com.transportadora.model.Usuario;

public interface UsuarioService extends Service<Usuario> {
	
	public Usuario buscarPorLoginSenha(String login, String senha);
	public List<Usuario> listAdministradores();
	public List<Usuario> listUsuariosPadrao();

}

package br.com.transportadora.service.impl;

import java.util.List;

import br.com.transportadora.dao.Dao;
import br.com.transportadora.service.Service;

public abstract class BaseServiceImpl<T> implements Service<T> {
	
	private static final long serialVersionUID = 1L;
	
	protected Dao<T> dao;
	
	public void save(T entity) {
		dao.save(entity);
	}

	public T update(T entity) {
		return dao.update(entity);
	}

	public void delete(T entity) {
		dao.delete(entity);
	}

	public T find(Integer id) {
		return dao.find(id);
	}

	public T findReference(Integer id) {
		return dao.findReference(id);
	}

	public List<T> list() {
		return dao.list();
	}
	
	public void setDao(Dao<T> dao) {
		this.dao = dao;
	}

}

package br.com.transportadora.service.impl;

import java.util.List;

import javax.inject.Inject;

import br.com.transportadora.dao.Dao;
import br.com.transportadora.dao.UsuarioDao;
import br.com.transportadora.model.Usuario;
import br.com.transportadora.qualifiers.UsuarioDaoCDI;
import br.com.transportadora.qualifiers.UsuarioServiceCDI;
import br.com.transportadora.service.UsuarioService;

@UsuarioServiceCDI
public class UsuarioServiceImpl extends BaseServiceImpl<Usuario> implements UsuarioService {

	private static final long serialVersionUID = 1L;
	
	@Inject
	public UsuarioServiceImpl(@UsuarioDaoCDI Dao<Usuario> dao) {
		super.dao = dao;
	}

	@Override
	public Usuario buscarPorLoginSenha(String login, String senha) {
		return ((UsuarioDao) dao).findByLoginSenha(login, senha);
	}

	@Override
	public List<Usuario> listAdministradores() {
		return ((UsuarioDao) dao).listAdministradores();
	}

	@Override
	public List<Usuario> listUsuariosPadrao() {
		return ((UsuarioDao) dao).listUsuariosPadrao();
	}

}

package br.com.transportadora.web.managedbeans;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.inject.Inject;

import br.com.transportadora.model.Usuario;
import br.com.transportadora.qualifiers.UsuarioServiceCDI;
import br.com.transportadora.service.Service;
import br.com.transportadora.service.UsuarioService;

@ManagedBean (name="usuarioMB")
@SessionScoped
public class UsuarioLoginMB {
	
	private Usuario usuario;
	
	@Inject @UsuarioServiceCDI
	private Service<Usuario> service;
	
	public void listarTeste() {
		System.out.println("Entrou aqui!!!");
		System.out.println(((UsuarioService) service).listAdministradores());
	}
	
	public void setUsuario(Usuario usuario) {
		this.usuario = usuario;
	}
	
	public Usuario getUsuario() {
		return usuario;
	}
	
	public void setService(Service<Usuario> service) {
		this.service = service;
	}

}

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:ui="http://java.sun.com/jsf/facelets"> 

<h:head></h:head> 
<body> 
<h:form >
	<h:commandButton action="#{usuarioMB.listarTeste()}" value="Teste" />
</h:form>
</body> 
</html>
Erro quando executo: 
26/08/2012 18:33:19 org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_33\jre\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\;C:\Program Files (x86)\Sony\VAIO Startup Setting Tool;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files\MySQL\MySQL Server 5.5\bin;C:\Program Files (x86)\Apache Software Foundation\apache-maven-3.0.4\bin;C:\Program Files (x86)\Apache Software Foundation\apache-ant-1.8.4\bin;C:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Java\jdk1.6.0_33\bin;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;c:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;C:\Ruby187\bin;.
26/08/2012 18:33:20 org.apache.tomcat.util.digester.SetPropertiesRule begin
AVISO: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:sistema-transportadora' did not find a matching property.
26/08/2012 18:33:20 org.apache.tomcat.util.digester.Digester endElement
AVISO:   No rules found matching 'Server/Service/Engine/Host/Context/listener'.
26/08/2012 18:33:20 org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
26/08/2012 18:33:20 org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
26/08/2012 18:33:20 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 587 ms
26/08/2012 18:33:20 org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
26/08/2012 18:33:20 org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.29
26/08/2012 18:33:23 org.jboss.weld.bootstrap.WeldBootstrap <clinit>
INFO: WELD-000900 1.1.8 (Final)
26/08/2012 18:33:23 org.jboss.weld.bootstrap.WeldBootstrap startContainer
INFO: WELD-000101 Transactional services not available. Injection of @Inject UserTransaction not available. Transactional observers will be invoked synchronously.
26/08/2012 18:33:23 org.jboss.weld.environment.tomcat7.Tomcat7Container initialize
INFO: Tomcat 7 detected, CDI injection will be available in Servlets and Filters. Injection into Listeners is not supported
26/08/2012 18:33:23 org.jboss.weld.interceptor.util.InterceptionTypeRegistry <clinit>
AVISO: Class 'javax.ejb.PostActivate' not found, interception based on it is not enabled
26/08/2012 18:33:23 org.jboss.weld.interceptor.util.InterceptionTypeRegistry <clinit>
AVISO: Class 'javax.ejb.PrePassivate' not found, interception based on it is not enabled
26/08/2012 18:33:23 com.sun.faces.config.ConfigureListener contextInitialized
INFO: Inicializando Mojarra 2.1.12 ( 20120814-1522) para o contexto '/sistema-transportadora'
26/08/2012 18:33:24 com.sun.faces.spi.InjectionProviderFactory createInstance
INFO: JSF1048: Anotações PostConstruct/PreDestroy presentes.  Os métodos ManagedBeans marcados com essas anotações informarão as anotações processadas.
26/08/2012 18:33:24 org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
26/08/2012 18:33:24 org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
26/08/2012 18:33:24 org.apache.catalina.startup.Catalina start
INFO: Server startup in 4488 ms
Entrou aqui!!!
26/08/2012 18:33:28 com.sun.faces.lifecycle.InvokeApplicationPhase execute
AVISO: #{usuarioMB.listarTeste()}: java.lang.NullPointerException
javax.faces.FacesException: #{usuarioMB.listarTeste()}: java.lang.NullPointerException
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:117)
	at javax.faces.component.UICommand.broadcast(UICommand.java:315)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	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:98)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:101)
	... 23 more
Caused by: java.lang.NullPointerException
	at br.com.transportadora.web.managedbeans.UsuarioLoginMB.listarTeste(UsuarioLoginMB.java:23)
	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:597)
	at org.apache.el.parser.AstValue.invoke(AstValue.java:264)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:39)
	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	... 24 more
26/08/2012 18:33:28 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet [Faces Servlet] in context with path [/sistema-transportadora] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
	at br.com.transportadora.web.managedbeans.UsuarioLoginMB.listarTeste(UsuarioLoginMB.java:23)
	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:597)
	at org.apache.el.parser.AstValue.invoke(AstValue.java:264)
	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:39)
	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:101)
	at javax.faces.component.UICommand.broadcast(UICommand.java:315)
	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	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:98)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

O que pode ser este erro...em tese não era para o CDI injetar?
Não esta injetando?

Alguém pode me ajudar?
Obrigado.

Alura Desenvolvimento Front-End React Do primeiro componente à liderança técnica! HTML/CSS/JavaScript fundamental, React com hooks e...

1 Resposta

tveronezi
tveronezi

Oi, me parace que a tua aplicação está indo para um caminho muito complicado.
Aconselho dar uma olhada no Tomee (Tomcat com EJBs).

No site vc pode achar alguns exemplos de como implementar uma aplicação web com jsf/cdi/ejbs/jpa…

http://openejb.apache.org/examples-trunk/jsf-managedBean-and-ejb/README.html
http://openejb.apache.org/examples-trunk/jsf-cdi-and-ejb/README.html

Aqui a página com todos os exemplos:
http://openejb.apache.org/examples-trunk/

No rodapé de cada página de exemplo vc encontrará os comandos que vc precisa digitar pra fazer o download e executar cada exemplo. Por exemplo, execute na tua linha de comando os seguintes comandos…

svn co http://svn.apache.org/repos/asf/openejb/trunk/openejb/examples/jsf-cdi-and-ejb
cd jsf-cdi-and-ejb
mvn clean install
Criado 26 de agosto de 2012
Ultima resposta 26 de ago. de 2012
Respostas 1
Participantes 2

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