Pessoal estou com um erro ao tentar efetuar um login, ñ to conseguindo, ja segui alguns tutoriais, mas ñ descobri o pq acontece…
Eu tenho minha Classe Usuario.java (está contida no pacote entity)
package br.unemat.bbg.entity;
import static br.unemat.bbg.util.Crypt.*;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
@Entity
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@Table(name = "USUARIO")
public class Usuario implements Serializable {
private static final long serialVersionUID = 1L;
private Integer id;
private String nome;
private String login;
private String senha;
private String status;
private char altera;
private char bloqueado;
private TipoUsuario tipoUsuario;
public Usuario() {
}
@Column(name = "USUARIO_ALTERA", nullable = false, length = 1)
public char getAltera() {
return altera;
}
public void setAltera(char altera) {
this.altera = altera;
}
@Column(name = "USUARIO_BLOQ", nullable = false, length = 1)
public char getBloqueado() {
return bloqueado;
}
public void setBloqueado(char bloqueado) {
this.bloqueado = bloqueado;
}
@Id
@GeneratedValue
@Column(name = "USUARIO_ID", nullable = false)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
@Column(name = "USUARIO_LOGIN", nullable = false, length = 20)
public String getLogin() {
return login.toUpperCase();
}
public void setLogin(String login) {
this.login = login.toUpperCase();
}
@Column(name = "USUARIO_NOME", nullable = false, length = 40)
public String getNome() {
return nome;
}
public void setNome(String nome) {
this.nome = nome;
}
@Column(name = "USUARIO_SENHA", nullable = false, length = 10)
public String getSenha() {
return senha;
}
public void setSenha(String senha) {
try {
String novaSenha = doCrypt(senha, CRYPT_MD5);
this.senha = novaSenha.substring(0, 10);
} catch (Exception ex) {
this.senha = (senha);
Logger.getLogger(Usuario.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Column(name = "USUARIO_STATUS", columnDefinition = "CHAR(1) DEFAULT 1")
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public TipoUsuario getTipoUsuario() {
return tipoUsuario;
}
public void setTipoUsuario(TipoUsuario tipoUsuario) {
this.tipoUsuario = tipoUsuario;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Usuario other = (Usuario) obj;
if (this.id != other.id && (this.id == null || !this.id.equals(other.id))) {
return false;
}
return true;
}
@Override
public int hashCode() {
int hash = 5;
hash = 71 * hash + (this.id != null ? this.id.hashCode() : 0);
return hash;
}
}
LoginBean.java
package br.unemat.bbg.bean;
import br.unemat.bbg.util.HibernateUtil;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
/**
*
* @author Fernando
*/
@ManagedBean()
@SessionScoped
public class LoginBean {
private Session session;
private String login;
private String senha;
protected EntityManager entityManager;
public String getSenha() {
return senha;
}
public void setSenha(String senha) {
this.senha = senha;
}
public String getUsuario() {
return login;
}
public void setUsuario(String usuario) {
this.login = usuario;
}
public LoginBean() {
}
public String efetuarLogin() {
System.out.println("Para teste **** ");
System.out.println("************ Login: " + login);
System.out.println("************ Senha: " + senha);
StringBuffer sb = new StringBuffer();
sb.append("FROM Usuario u");
sb.append("WHERE u.login = :pLogin");
sb.append("AND u.senha = :pSenha");
session = HibernateUtil.getInstance();
Transaction tx = null;
try {
tx = session.beginTransaction();
Query query = entityManager.createQuery(sb.toString());
query.setParameter("pLogin", login);
query.setParameter("pSenha", senha);
tx.commit();
boolean encontrado = !query.getResultList().isEmpty();
if (encontrado) {
return "/pages/home.jsf";
} else {
login = null;
senha = null;
return "/login.jsf";
}
} catch (HibernateException e) {
tx.rollback();
return null;
} finally {
session.close();
}
}
}
Login.xhtml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<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:p="http://primefaces.prime.com.tr/ui">
<h:head>
<link href="css/estilo.css" rel="stylesheet" type="text/css"></link>
<title>Estágio Supervisionado</title>
</h:head>
<h:body style="background-image: url('/images/fundo_site.jpg')">
<div id="main">
<div id="topo">
<img src="#{msg['sistema.label.imageLogo']}"
alt="Unemat - Computação" width="250" height="100" />
<h1>Estágio Supervisionado</h1>
<h2>
<h:outputText value="#{msg['sistema.label.unemat']}" />
</h2>
</div>
<f:view>
<div align="center">
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<h:form>
<p:panel id="panelLogin" style="width: 400px">
<f:facet name="header">
<h:outputText value="Área de Login" />
</f:facet>
<br />
<h:panelGrid columns="3">
<h:panelGroup>
<h:outputLabel id="lblUsuario" value="Usuário" for="txtUsuario"
style="text-align: right" />
</h:panelGroup>
<h:panelGroup>
<h:inputText id="txtUsuario" value="#{loginBean.usuario}"
required="true" requiredMessage="Campo Obrigatório!" />
</h:panelGroup>
<h:panelGroup>
<p:message for="txtUsuario" />
</h:panelGroup>
<h:panelGroup>
<h:outputLabel id="lblSenha" value="Senha" for="txtSenha"
style="text-align: right" />
</h:panelGroup>
<h:panelGroup>
<h:inputSecret id="txtSenha" value="#{loginBean.senha}"
required="true" requiredMessage="Campo Obrigatório!" />
</h:panelGroup>
<h:panelGroup>
<p:message for="txtSenha" />
</h:panelGroup>
</h:panelGrid>
<br />
<p:commandButton id="btnEntrar" action="#{loginBean.efetuarLogin}"
value="Entrar" update="panelLogin" />
<p:commandButton id="btnLimpar" value="Limpar" type="reset" />
<br />
</p:panel>
</h:form>
</div>
</f:view>
<p:dock>
<p:menuitem value="Home" icon="/images/home.png" url="/login.jsf"></p:menuitem>
<p:menuitem value="Email" icon="/images/email.png" url="#" />
<p:menuitem value="Link" icon="/images/link.png" url="#" />
<p:menuitem value="Histórico" icon="/images/history.png" url="#" />
<p:menuitem value="Equipe" icon="/images/adm.png" url="#" />
<p:menuitem value="Dúvidas" icon="/images/duvidas.png" url="#" />
</p:dock>
</div>
</h:body>
</html>
ERRO propriamente dito
11/08/2011 01:31:20 com.sun.faces.application.ActionListenerImpl processAction
GRAVE: java.lang.NullPointerException
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:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:787)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1252)
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:312)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
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: java.lang.NullPointerException
at br.unemat.bbg.bean.LoginBean.efetuarLogin(LoginBean.java:61)
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:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
... 24 more
11/08/2011 01:31:20 com.sun.faces.lifecycle.InvokeApplicationPhase execute
AVISO: #{loginBean.efetuarLogin}: java.lang.NullPointerException
javax.faces.FacesException: #{loginBean.efetuarLogin}: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:787)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1252)
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:312)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
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:102)
... 23 more
Caused by: java.lang.NullPointerException
at br.unemat.bbg.bean.LoginBean.efetuarLogin(LoginBean.java:61)
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:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
... 24 more
javax.faces.FacesException: #{loginBean.efetuarLogin}: java.lang.NullPointerException
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:89)
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:312)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
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.FacesException: #{loginBean.efetuarLogin}: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:787)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1252)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
... 19 more
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:102)
... 23 more
Caused by: java.lang.NullPointerException
at br.unemat.bbg.bean.LoginBean.efetuarLogin(LoginBean.java:61)
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:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
... 24 more
Oq estou fazendo errado? alguem pode me ajudar
