Error sending property object from .xhtml to bean

Error sending property object from .xhtml to bean - jsf

I have this .xhtml file. It's a data table page with three buttons (one for creating users, one for editing them and one for deleting them). Creating and deleting users are working but updating not. When I call the method actionListener="#{usuariosBean.actualizarUsuario}", I get all parameters well but not the Id, I'm getting 0 instead of the real Id of the user.
I have tried to do it in different .xhtml and it work good so I think that the problem is about the .xhtml file but... I don't know. Could anybody help me? Thanks a lot!!!
<?xml version='1.0' encoding='UTF-8' ?>
<!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:ui="http://xmlns.jcp.org/jsf/facelets"
xmlns:p="http://primefaces.org/ui"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<body>
<ui:composition template="./../template.xhtml">
<ui:define name="content">
<p:growl id="msgs" showDetail="true" />
<h:form>
<p:commandButton update=":formCrear" icon="ui-icon-document"
title="Crear Usuario" value="Crear Usuario"
oncomplete="PF('usuarioDialogCrear').show();">
</p:commandButton>
</h:form>
<h:form id="form">
<p:dataTable var="usuario" value="#{usuariosBean.usuarios}"
paginator="true" rows="10">
<p:column headerText="Id">
<h:outputText value="#{usuario.id}" />
</p:column>
<p:column headerText="Nombre de Usuario">
<h:outputText value="#{usuario.nombreDeUsuario}" />
</p:column>
<p:column headerText="Contraseña">
<h:outputText value="#{usuario.contrasenya}" />
</p:column>
<p:column headerText="Rol">
<h:outputText value="#{usuario.rol}" />
</p:column>
<p:column headerText="" style="text-align:center; width:4%">
<p:commandButton update=":form:usuarioActualizar" id="Actualizar"
icon="ui-icon-pencil" title="Actualizar"
oncomplete="PF('usuarioDialogActualizar').show();">
<f:setPropertyActionListener value="#{usuario}"
target="#{usuariosBean.usuarioSeleccionado}" />
</p:commandButton>
</p:column>
<p:column headerText="" style="text-align:center; width:4%">
<p:commandButton update=":form:usuarioEliminar" id="Eliminar"
icon="ui-icon-close" title="Eliminar"
oncomplete="PF('confirmacion').show();">
<f:setPropertyActionListener value="#{usuario}"
target="#{usuariosBean.usuarioSeleccionado}" />
</p:commandButton>
</p:column>
</p:dataTable>
<p:dialog header="Actualizar Usuario"
widgetVar="usuarioDialogActualizar" modal="true" showEffect="fade"
hideEffect="explode" resizable="false" width="400">
<p:outputPanel id="usuarioActualizar" style="text-align:center;"
layout="block">
<p:panelGrid columns="2">
<h:outputText value="Id " />
<p:inputText
value="#{usuariosBean.usuarioSeleccionado.id}"
style="font-weight:bold" size="37" />
<h:outputText value="Usuario: " />
<p:inputText
value="#{usuariosBean.usuarioSeleccionado.nombreDeUsuario}"
style="font-weight:bold" size="37" />
<h:outputText value="Contraseña: " />
<p:inputText
value="#{usuariosBean.usuarioSeleccionado.contrasenya}"
style="font-weight:bold" size="37" />
<h:outputText value="Rol " />
<p:inputText value="#{usuariosBean.usuarioSeleccionado.rol}"
style="font-weight:bold" size="37" />
</p:panelGrid>
</p:outputPanel>
<f:facet name="footer">
<p:commandButton update=":form, :msgs" id="btnActualizarAceptar"
icon="ui-icon-disk" title="Guardar Usuario"
value="Actualizar Usuario"
actionListener="#{usuariosBean.actualizarUsuario}"
oncomplete="PF('usuarioDialogActualizar').hide()">
</p:commandButton>
<p:commandButton id="btnActualizarCancelar" icon="ui-icon-close"
title="Cancelar" value="Cancelar" type="button"
onclick="PF('usuarioDialogActualizar').hide()">
</p:commandButton>
</f:facet>
</p:dialog>
<p:confirmDialog
message="¿Está seguro que desea eliminar el usuario?"
showEffect="bounce" hideEffect="explode" header="Eliminar Usuario"
severity="alert" widgetVar="confirmacion">
<p:outputPanel id="usuarioEliminar" style="text-align:center;"
layout="block">
<h:inputHidden value="#{usuariosBean.usuarioSeleccionado.id}" />
</p:outputPanel>
<p:commandButton id="confirmarDialogo" value="Aceptar"
icon="ui-icon-check" update=":form, :msgs"
oncomplete="PF('confirmacion').hide()"
actionListener="#{usuariosBean.eliminarUsuario}" />
<p:commandButton id="cancelarDialogo" icon="ui-icon-close"
title="Cancelar" value="Cancelar"
oncomplete="PF('confirmacion').hide()">
</p:commandButton>
</p:confirmDialog>
</h:form>
<h:form id="formCrear">
<p:dialog header="Crear Usuario" widgetVar="usuarioDialogCrear"
modal="true" showEffect="fade" hideEffect="explode"
resizable="false" width="400">
<p:outputPanel id="usuarioCrear" style="text-align:center;"
layout="block">
<p:panelGrid columns="2">
<h:outputText value="Usuario: " />
<p:inputText value="#{usuariosBean.nombreDeUsuario}"
required="true" size="37" />
<h:outputText value="Contraseña: " />
<p:inputText value="#{usuariosBean.contrasenya}" required="true"
size="37" />
<h:outputText value="Rol " />
<p:inputText value="#{usuariosBean.rol}" required="true"
size="37" />
</p:panelGrid>
</p:outputPanel>
<f:facet name="footer">
<p:commandButton update=":form, :msgs" id="btnCrearAceptar"
icon="ui-icon-disk" title="Guardar Usuario"
value="Guardar Usuario" action="#{usuariosBean.guardarUsuario}"
oncomplete="PF('usuarioDialogCrear').hide()">
</p:commandButton>
<p:commandButton id="btnCrearCancelar" icon="ui-icon-close"
title="Cancelar" value="Cancelar"
oncomplete="PF('usuarioDialogCrear').hide()">
</p:commandButton>
</f:facet>
</p:dialog>
</h:form>
</ui:define>
</ui:composition>
</body>
</html>

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I've tried this code:
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<h:outputText value="Brown" />
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<h:outputText value="first" />
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</p:dialog>
</h:form>
and it works great! maybe the problem isn't the code that you posted. Did you check if there is any javascript error in your page?

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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Also please find the image of the behaviour. The extra spaace that is coming between grid and the footer. Please help.

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</p:dataTable>
<p:panelGrid columns="2">
<h:outputText value="Total Geral: " />
<h:outputText value="#{orcamentoMB.totalGeral}" id="totalGeral">
<f:convertNumber currencySymbol="R$ " type="currency" />
</h:outputText>
<h:outputText value="Total Com Desconto: " />
<h:outputText value="#{orcamentoMB.totalGeralComDesconto}"
id="totalGeralComDesconto">
<f:convertNumber currencySymbol="R$ " type="currency" />
</h:outputText>
</p:panelGrid>
<p:toolbar>
<p:toolbarGroup align="left">
<p:commandButton icon="ui-icon-disk" value="Salvar Sem Aceitar"
id="salvarSemAceitar" disabled="#{orcamentoMB.itens.size() == 0}"
actionListener="#{orcamentoMB.salvar}"
oncomplete="if (!args.validationFailed){ varDialogCadastrar.hide() }"
update=":formOrcamentos:dataTableOrcamentos">
<f:attribute name="salvarAceitando" value="false" />
</p:commandButton>
<p:commandButton icon="ui-icon-disk" value="Salvar Aceitando"
id="salvarAceitando" disabled="#{orcamentoMB.itens.size() == 0}"
actionListener="#{orcamentoMB.salvar}"
oncomplete="if (!args.validationFailed){ varDialogCadastrar.hide() }"
update=":formOrcamentos:dataTableOrcamentos">
<f:attribute name="salvarAceitando" value="true" />
</p:commandButton>
<p:commandButton value="Cancelar" icon="ui-icon-close"
onclick="varDialogCadastrar.hide()" type="button" />
</p:toolbarGroup>
</p:toolbar>
</h:form>
</p:dialog>
</ui:composition>
</h:body>
</html>
So, i'll show a page the is called for "varDialogFindPacientes"
<!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"
xmlns:p="http://primefaces.org/ui">
<h:head>
</h:head>
<h:body>
<ui:composition>
<p:dialog id="dialogFindPacientes" width="600px" height="auto"
header="Pesquisar Pacientes" widgetVar="varDialogFindPacientes"
modal="true" showEffect="fade" hideEffect="fade">
<h:form id="formFindPacientes">
<p:dataTable rowKey="#{paciente.id}" var="paciente"
value="#{orcamentoMB.pacientes}" paginator="true"
emptyMessage="Não foi encontrado nenhum registro" rows="20"
id="dataTablePacientes" selection="#{orcamentoMB.selectedPaciente}"
selectionMode="single" rowIndexVar="rowIndex"
rowStyleClass="#{(rowIndex mod 2) eq 0 ? 'first-row' : 'second-row'}"
paginatorTemplate="{FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink}">
<p:ajax event="rowDblselect" process="dataTablePacientes"
listener="#{orcamentoMB.updatePacienteFromFind}"
oncomplete="dialogFindPacientes.hide()"
update=":formCadastrar:paciente" />
<p:column headerText="Nome" sortBy="#{paciente.pessoaFisica.nome}"
filterBy="#{paciente.pessoaFisica.nome}" id="nome"
filterMatchMode="contains">
<h:outputText value="#{paciente.pessoaFisica.nome}" />
</p:column>
</p:dataTable>
</h:form>
</p:dialog>
</ui:composition>
</h:body>
</html>
EDIT 1:
I have another problem yet, the #PostConstruct from my ManagedBean is called every ajax call.

p:dataTable never refreshes after a delete, update or insert

Well, I have a p:dialog that inserts a new Entity, but after this entity is saved into database the p:dataTable remains the same, the new row doesn't appear.
Look at my p:dialog:
<!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"
xmlns:p="http://primefaces.org/ui">
<h:head>
</h:head>
<h:body>
<ui:composition>
<h:form id="formCadastrar">
<p:dialog width="900px" height="500px" header="Cadastrar Dentista"
widgetVar="dialogCadastrar" modal="true">
<p:panelGrid columns="2" styleClass="semBorda">
<p:commandButton icon="ui-icon-disk" value="Salvar"
actionListener="#{dentistaMB.salvar}"
update=":formDentistas:dataTableDentistas" />
<p:commandButton value="Cancelar" icon="ui-icon-close"
onclick="confirmCancelar.show()" type="button" />
</p:panelGrid>
<p:panelGrid id="panelGridCadastar" styleClass="semBorda"
columns="2">
<h:outputText value="Nome: *" />
<p:inputText id="nome"
value="#{dentistaMB.dentista.pessoaFisica.nome}" size="40"
required="true" requiredMessage="O Nome do Dentista é obrigatório">
</p:inputText>
<h:outputText value="CRO *" />
<p:inputText id="cro" value="#{dentistaMB.dentista.cro}" size="10"
required="true" requiredMessage="O Número do CRO é obrigatório" />
</p:panelGrid>
<p:panelGrid columns="2" styleClass="semBorda">
<p:commandButton icon="ui-icon-disk" value="Salvar"
actionListener="#{dentistaMB.salvar}"
update=":formDentistas:dataTableDentistas" />
<p:commandButton value="Cancelar" icon="ui-icon-close"
onclick="confirmCancelar.show()" />
</p:panelGrid>
<p:confirmDialog id="confirmCancelar" message="Deseja cancelar ?"
showEffect="fade" hideEffect="fade" header="Cancelar"
severity="alert" widgetVar="confirmCancelar" appendToBody="true">
<p:commandButton value="Sim" oncomplete="confirmCancelar.hide()"
actionListener="#{dentistaMB.cancelar}" />
<p:commandButton value="Não" onclick="confirmCancelar.hide()"
type="button" />
</p:confirmDialog>
</p:dialog>
</h:form>
</ui:composition>
</h:body>
</html>
And look at my p:dataTable
<h:form id="formDentistas">
<p:growl autoUpdate="true" id="growlmessages" />
<p:dataTable rowKey="#{dentista.id}" var="dentista" value="#{dentistaMB.dentistas}"
paginator="true" emptyMessage="Não foi encontrado nenhum registro"
rows="10" id="dataTableDentistas"
selection="#{dentistaMB.selectedDentista}" selectionMode="single">
<f:facet name="header">Lista de Dentistas</f:facet>
<p:column headerText="Nome" sortBy="nome" filterBy="nome" id="nome"
width="200px">
#{dentista.pessoaFisica.nome}
</p:column>
<p:column headerText="Data Nascimento" sortBy="dataNascimento"
filterBy="dataNascimento" id="dataNascimento" width="60px">
#{dentista.pessoaFisica.dataNascimento}
</p:column>
<p:column headerText="CRO" sortBy="cro" filterBy="cro" id="cro"
width="60px">
#{dentista.cro}
</p:column>
<f:facet name="footer">
<div class="align_text_left">
<p:commandButton icon="ui-icon-plus" value="Novo" id="cadastrar"
oncomplete="dialogCadastrar.show()" />
<p:column headerText="Ações" style="width:50px;">
<p:commandButton value="Alterar" icon="ui-icon-pencil" />
<p:commandButton value="Remover" icon="ui-icon-trash"
action="#{dentistaMB.deletar}"
update=":formDentistas:dataTableDentistas" />
</p:column>
</div>
</f:facet>
</p:dataTable>
</h:form>
So, what's the correct form to update the p:dataTable after a change in an entity? This example above is about an insert, but remove doesn't work either. I used the following code:
<p:commandButton value="Remover" icon="ui-icon-trash"
action="#{dentistaMB.deletar}"
update=":formDentistas:dataTableDentistas" />

in your dialog you must add an ajax event to fire update of form like:
<p:ajax event="close" listener="#{dentistaMB.load}"
update=":formDentistas" immediate="true" global="false" />
this will allow you to reload your table feed lists.
in your load method you need to update (refetch data from db) dentistas list. If you are using filtering do not forget to update your filtering list as well.
In managedbean load function you can use:
public void load(){
dentistas.clear();
filteredDentistas.clear();
dentistas.addAll(getDentistService().getDentists());
filteredDentistas.addAll(getDentistService().getDentists());
}

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