Não consigo passar o parâmetro para bean …
Jboss as 7 , junto com hibernate 3.5 … somente isso e fica dando esse erro 
Me ajudem !
Fica dando esse erro :
[code]exception
javax.servlet.ServletException: /publico/usuario.xhtml @29,57 value="#{usuarioBean.usuario.codigo}": Target Unreachable, ‘usuario’ returned null
javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
root cause
javax.el.PropertyNotFoundException: /publico/usuario.xhtml @29,57 value="#{usuarioBean.usuario.codigo}": Target Unreachable, ‘usuario’ returned null
com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:95)
javax.faces.component.UIInput.getConvertedValue(UIInput.java:1030)
javax.faces.component.UIInput.validate(UIInput.java:960)
javax.faces.component.UIInput.executeValidate(UIInput.java:1233)
javax.faces.component.UIInput.processValidators(UIInput.java:698)
javax.faces.component.UIForm.processValidators(UIForm.java:253)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)
javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1172)
com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)[/code]
Minha Bean
package finaceiro.web;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.context.FacesContext;
import financeiro.usuario.Usuario;
import financeiro.usuario.UsuarioRN;
@ManagedBean(name="usuarioBean")
@RequestScoped
public class UsuarioBean {
private Usuario usuario;
private String confirmaSenha;
public UsuarioBean() {
}
public String novo(){
this.usuario = new Usuario();
this.usuario.setAtivo(true);
return "usuario";
}
public String salvar(){
FacesContext fc = FacesContext.getCurrentInstance();
String senha = this.usuario.getSenha();
if(!senha.equalsIgnoreCase(confirmaSenha)){
FacesMessage facesMessage = new FacesMessage("A senha não foi confirmada corretamente");
fc.addMessage(null, facesMessage);
return null;
}
UsuarioRN usuarioRN = new UsuarioRN();
usuarioRN.salvar(this.usuario);
return "usuarioSucesso";
}
public Usuario getUsuario() {
return usuario;
}
public void setUsuario(Usuario usuario) {
this.usuario = usuario;
}
public String getConfirmaSenha() {
return confirmaSenha;
}
public void setConfirmaSenha(String confirmaSenha) {
this.confirmaSenha = confirmaSenha;
}
}Minha XHTML :
[code]<?xml version="1.0" encoding="ISO-8859-1" ?>
Usuário</h:head>
<h:body>
<h1>Cadastro de Usuário</h1>
<hr/>
<h:form id="cadastro">
<h:messages />
<h:inputHidden value="#{usuarioBean.usuario.codigo}" />
<h:inputHidden value="#{usuarioBean.usuario.ativo}" />
<h:panelGrid columns="2">
<h:outputLabel value="Nome: " for="nome" />
<h:inputText id="nome" label="Nome" value="#{usuarioBean.usuario.nome}"
required="true" size="30" maxlength="30" requiredMessage="Você não tem nome ?">
<f:validateLength minimum="10" maximum="30"/>
</h:inputText>
<h:outputLabel value="Data Nascimento: " for="data" />
<h:inputText id="data" label="Data Nascimento" value="#{usuarioBean.usuario.nascimento}"
size="10" maxlength="10" required="true">
<f:convertDateTime dateStyle="medium"/>
</h:inputText>
<h:outputLabel value="Celular: " for="celular" />
<h:inputText id="celular" label="Celular" value="#{usuarioBean.usuario.celular}" size="10" />
<h:outputLabel value="e-Mail: " for="email"/>
<h:panelGroup>
<h:inputText id="email" label="e-Mail" value="#{usuarioBean.usuario.email}"
size="50" maxlength="50" required="true" validatorMessage="e-mail invalido">
<f:validateRegex pattern="[a-zA-Z0-9\-\_\.]+@[a-zA-Z0-9\-\_\.]+"/>
</h:inputText>
<h:message for="email"/>
</h:panelGroup>
<h:outputLabel value="#{usuarioBean.usuario.idioma}" for="idioma" />
<h:selectOneMenu id="idioma" value="#{usuarioBean.usuario.idioma}">
<f:selectItem itemValue="pt_BR" itemLabel="Português"/>
<f:selectItem itemValue="en_US" itemLabel="English"/>
<f:selectItem itemValue="es_ES" itemLabel="Espanol"/>
</h:selectOneMenu>
<h:outputLabel value="Login: " for="login" />
<h:inputText id="login" label="Login" value="#{usuarioBean.usuario.login}"
size="15" maxlength="15" required="true"
validatorMessage="Login deve ter no minimo 5 e no máximo 15 caracteres e so pode ter os símbolos '.' e '_' .">
<f:validateRegex pattern="([a-z]|[0-9]|[.]|[_]){5,15}"/>
</h:inputText>
<h:outputLabel value="Senha: " for="senha" />
<h:inputSecret id="senha" label="Senha" value="#{usuarioBean.usuario.senha}" size="10"
maxlength="10" required="true" redisplay="true" />
<h:outputLabel value="Confirmar Senha: " for="confirmarsenha" />
<h:inputSecret id="confirmarsenha" label="Confirmar Senha"
value="#{usuarioBean.confirmaSenha}" size="10" maxlength="10" required="true" redisplay="true"/>
</h:panelGrid>
<h:commandButton action="#{usuarioBean.salvar}" value="Salvar" />
</h:form>
<hr />
</h:body>
</f:view>
Web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
<display-name>Financeiro</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
</web-app>
