Olá,
não consigo visualizar onde está dando erro.
Se alguem puder me ajudar agradeceria.
abs
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<!-- JavaServer Faces -->
<display-name>Daca</display-name>
<description>
Aplicação Exemplo DACA
</description>
<welcome-file-list>
<welcome-file>index.jsf</welcome-file>
</welcome-file-list>
<!-- JavaServer Faces -->
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>
<context-param>
<param-name>javax.faces.CONFIG_FILES</param-name>
<param-value>/WEB-INF/faces-config.xml</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
<!-- Faces Servlet -->
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- Faces Servlet Mapping -->
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
</web-app>
<faces-config>
<application>
<locale-config>
<default-locale>br</default-locale>
</locale-config>
<message-bundle>daca.bundle.Messages</message-bundle>
</application>
<managed-bean>
<description>
</description>
<managed-bean-name>cadastroBean</managed-bean-name>
<managed-bean-class>daca.bean.Usuario</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<navigation-rule>
<from-view-id>*</from-view-id>
<navigation-case>
<description>
</description>
<from-outcome>sucesso</from-outcome>
<to-view-id>/index.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<html>
<f:view>
<body>
<h:form>
<table>
<tr>
<td>
<h:outputText value="Login"/>
</td>
<td>
<h:inputText id="login" value="#{cadastroBean.login}" required="true"/>
<h:message for="login"/>
</td>
</tr>
<tr>
<td>
<h:outputText value="Senha"/>
</td>
<td>
<h:inputSecret id="senha" value="#{cadastroBean.senha}" required="true"/>
<h:message for="senha"/>
</td>
</tr>
<tr>
<td>
<h:outputText value="E-mail" />
</td>
<td>
<h:inputText id="mail" value="#{cadastroBean.mail}" required="true"/>
<h:message for="mail"/>
</td>
</tr>
<tr>
<td>
<h:commandButton action="#{cadastroBean.save}" value="Enviar Dados"/>
</td>
</tr>
</table>
</h:form>
<h:form id="removeUsuario">
<h:dataTable value="#{cadastroBean.lista}" border="1" var="usuario">
<h:column>
<f:facet name="header">
<h:outputText value="Login"/>
</f:facet>
<h:outputText value="#{usuario.login}"></h:outputText>
<f:facet name="footer">
<h:outputText value="Login"/>
</f:facet>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="E-mail"/>
</f:facet>
<h:outputText value="#{usuario.mail}"></h:outputText>
<f:facet name="footer">
<h:outputText value="E-mail"/>
</f:facet>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="Ação"/>
</f:facet>
<h:commandLink value="#{usuario.id}" actionListener="#{cadastroBean.remove}">
<h:outputText value="Excluir"></h:outputText>
</h:commandLink>
<f:facet name="footer">
<h:outputText value="Ação"/>
</f:facet>
</h:column>
</h:dataTable>
</h:form>
<body>
</f:view>
</html>
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Base is null: cadastroBean
javax.faces.webapp.FacesServlet.service(FacesServlet.java:202)
root cause
javax.faces.el.PropertyNotFoundException: Base is null: cadastroBean
org.apache.myfaces.el.ValueBindingImpl.resolveToBaseAndProperty(ValueBindingImpl.java:463)
org.apache.myfaces.el.ValueBindingImpl.getType(ValueBindingImpl.java:175)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:111)
javax.faces.component.UIInput.getConvertedValue(UIInput.java:713)
javax.faces.component.UIInput.validate(UIInput.java:638)
javax.faces.component.UIInput.executeValidate(UIInput.java:849)
javax.faces.component.UIInput.processValidators(UIInput.java:412)
javax.faces.component.UIForm.processValidators(UIForm.java:170)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:912)
javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:342)
org.apache.myfaces.lifecycle.ProcessValidationsExecutor.execute(ProcessValidationsExecutor.java:32)
org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:95)
org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.25 logs.public class Usuario {
private int id ;
private String login="";
private String senha="";
private String mail="";
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getLogin() {
return login;
}
public void setLogin(String login) {
this.login = login;
}
public String getSenha() {
return senha;
}
public void setSenha(String senha) {
this.senha = senha;
}
public String getMail() {
return mail;
}
public void setMail(String mail) {
this.mail = mail;
}
public String save() {
try {
Connection cn = Conexao.obterConexao();
PreparedStatement statement = null;
statement = cn.prepareStatement("insert into usuario (login,senha,mail) values (?,?,?)");
statement.setString(1,login);
statement.setString(2,senha);
statement.setString(3,mail);
statement.executeUpdate();
cn.close();
return "sucesso";
} catch (SQLException e) {
e.printStackTrace();
return "falha";
}
}
/* (non-Javadoc)
* @see daca.service.PersistenteIF#remove(java.lang.String)
*/
public void remove(String id) {
try {
Connection cn = Conexao.obterConexao();
PreparedStatement statement = null;
statement = cn.prepareStatement("delete from usuario where id=?");
statement.setString(1,id);
statement.execute();
cn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
/* (non-Javadoc)
* @see daca.service.PersistenteIF#selectTodos()
*/
/* (non-Javadoc)
* @see daca.service.PersistenteIF#selectTodos()
*/
/*
public List getLista() {
Connection cn = Conexao.obterConexao();
List lista = new ArrayList();
try {
Usuario u = new Usuario();
u.setId(10);
u.setLogin("usuario");
u.setSenha("senha");
u.setMail("a@a.com.br");
lista.add(u);
ResultSet rs = cn.createStatement().executeQuery("select * from usuario");
while(rs.next()){
Usuario u = new Usuario();
u.setId(rs.getInt(1));
u.setLogin(rs.getString(2));
u.setSenha(rs.getString(3));
u.setMail(rs.getString(4));
lista.add(u);
}
cn.close();
} catch (SQLException e) {
e.printStackTrace();
}
return lista;
}
*/
public ResultSet getLista(){
ResultSet rs = null;
Connection cn = Conexao.obterConexao();
PreparedStatement pst = null;
try {
pst = cn.prepareStatement("select * from usuario");
rs = pst.executeQuery();
cn.close();
} catch (SQLException e) {
}
return rs;
}
}