estao funcionando normal o bean e o dao
xhtml
<h:form id="formRobostore" >
<p:dataTable id="tabelaRobostore" widgetVar="tabelaRobostore" var="item" value="#{automacoesManager.robostoreDataModel}" emptyMessage="Não há automações" paginator="true" rows="10" lazy="true" paginatorTemplate="{FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink}" style="text-align:center">
<f:facet name="header">
Tabela de Robô(s)
</f:facet>
<p:column headerText="Tipo - Área" style="text-align:center; width:300px" filterBy="#{item.tipoArea}" filterMatchMode="contains">
<f:facet name="filter">
<p:selectOneMenu onchange="PF('tabelaRobostore').filter()" effect="fold" style="width:160px" >
<f:selectItem itemLabel="Todos" itemValue="" />
<f:selectItems var="item" value="#{automacoesManager.robostoreDataModel.listaAreasAutomacoes}" itemLabel="#{item.tipo} - #{item.area}" itemValue="#{item.tipo} - #{item.area}"/>
</p:selectOneMenu>
</f:facet>
<h:outputText title="#{item.codArea.tipo} - #{item.codArea.area}" value="#{item.codArea.tipo} - #{item.codArea.area}" />
</p:column>
<p:column headerText="Nome da Automação" style="text-align:center" filterBy="#{item.nomeProjeto}" filterMatchMode="contains" filterStyle="width:110px" >
<h:outputText title="#{item.codAutomacao.codTechflow.codSolicitacaoDemanda.nomeProjeto}" value="#{item.codAutomacao.codTechflow.codSolicitacaoDemanda.nomeProjeto}" />
</p:column>
<p:column headerText="Ação" style="text-align:center; width: 70px">
<p:commandButton title="Acessar" process="@this" update="formDetalhesAutomacao" onclick="PF('dialogDetalhesAutomacao').show()" action="#{automacoesManager.buscarAreasAutomacao(item)}" immediate="true" style="width: 30px; height: 30px; margin-left: 5%;" icon="fa fa-sign-in" >
<f:setPropertyActionListener value="#{item}" target="#{automacoesManager.categoriaAutomacoes}" />
</p:commandButton>
<p:commandButton title="Excluir" process="@form" update="TabViewRobostore:formRobostore:tabelaRobostore, TabViewRobostore:formRobostore:msgsRobostore" action="#{automacoesManager.excluirCategoriaAutomacao(item)}" onstart="PF('statusDialog').show()" oncomplete="PF('statusDialog').hide()" immediate="true" style="width: 30px; height: 30px; margin-left: 5%; " icon="ui-icon-circle-close" />
</p:column>
</p:dataTable>
<h:panelGrid width="100%" style="text-align:center; border:0px solid #000; ">
<p:panel id="panelIncluirArea" header="Painel Incluir Área" >
<h:panelGrid columns="5" cellspacing="10%" border="0" >
<h:outputText for="nomeProjeto" value="Nome da Automação: *" />
<h:panelGrid width="100%" style="margin-left:-0.5%;" >
<p:selectOneMenu label="Nome da Automação" id="nomeProjeto" value="#{automacoesManager.automacoes}" converter="automacoesConverter" effect="fold" style="width:147px">
<f:selectItem itemLabel="Selecionar" itemValue="" noSelectionOption="true" />
<f:selectItems var="item" value="#{automacoesManager.listaAutomacoes}" itemLabel="#{item.codTechflow.codSolicitacaoDemanda.nomeProjeto}" itemValue="#{item}"/>
</p:selectOneMenu>
</h:panelGrid>
<h:outputText for="area" value="Área: *" />
<h:panelGrid width="100%" style="margin-left:-0.5%;" >
<p:selectOneMenu label="Área" id="area" value="#{automacoesManager.areaAutomacoes}" converter="areaAutomacoesConverter" effect="fold" style="width:147px">
<f:selectItem itemLabel="Selecionar" itemValue="" noSelectionOption="true" />
<f:selectItems var="item" value="#{automacoesManager.listaAreasAutomacoes}" itemLabel="#{item.tipo} - #{item.area}" itemValue="#{item}"/>
</p:selectOneMenu>
</h:panelGrid>
<p:commandButton value="Incluir" process="@form" update="tabelaRobostore, msgsRobostore" action="#{automacoesManager.incluirCategoriaAutomacao}" onstart="PF('statusDialog').show()" oncomplete="PF('statusDialog').hide()" icon="ui-icon-circle-plus" >
</p:commandButton>
</h:panelGrid>
</p:panel>
</h:panelGrid>
</h:form>
bean metodo de inclusao
public void incluirCategoriaAutomacao()
{
CategoriaAutomacoesBean categoria = new CategoriaAutomacoesBean();
categoria.setCodAutomacao(automacoes);
categoria.setCodArea(areaAutomacoes);
EntityManager manager = this.getEntityManager();
AutomacoesDao automacoesaDao = new AutomacoesDao(manager);
automacoesaDao.incluirCategoriaAutomacao(categoria);
}