Problema com rendered do JSF

Olá amigos, estou tentando fazer com que um painel desapareça depois que eu efetuar o login, então estou usando a propriedade rendered, só que além de não funcionar, eu acabo que não conseguindo efetuar o login, a exceção é lançada assim que o dialog abre, se eu preencher os campos e clicar no botao não da certo tambem, mas se eu retirar o rendered, eu consigo fazer o login corretamente.

Para fazer o login, é só clicar no link Entrar, que ai vai abrir o dialog e então digitar o e-mail e senha.

Vou emitir uns métodos e componentes que não tem nada a ver, pois se não ficará extenso de mais.

Alguma luz?

<p:outputPanel rendered="#{loginBean.clienteSession == null}">
	<p:commandLink style="margin-right: 20px;" value="Registrar" ></p:commandLink>
	<p:commandLink value="Entrar" onclick="PF('dlgEntrar').show();"></p:commandLink>
</p:outputPanel>

<p:dialog header="Login" widgetVar="dlgEntrar" resizable="false" modal="true" >
	<h:panelGrid columns="1">
		<p:messages id="messagesErrorLogin" showDetail="true" autoUpdate="true" closable="true" severity="error"></p:messages>
		<h:panelGrid columns="2">
			<h:outputText value="E-mail: "></h:outputText>
				<p:inputText id="email" value="#{loginBean.cliente.email}"></p:inputText>
							
				<h:outputText value="Senha: "></h:outputText>
				<p:password id="senha" value="#{loginBean.cliente.senha}"></p:password>
						
		</h:panelGrid>
						
		<p:commandLink value="Esqueceu a senha?" action="#{loginBean.setClienteSession}"></p:commandLink>
		<p:commandLink value="Não é cadastrado ainda?"></p:commandLink>
		<p:commandButton value="Entrar" actionListener="#{loginBean.setClienteSession}" oncomplete="handleLoginRequest(xhr, status, args)"></p:commandButton>
	</h:panelGrid>
				
</p:dialog>
@Named
@RequestScoped
public class LoginBean implements Serializable
{
    private Cliente cliente = new Cliente();

   //Método para pegar o cliente na sessão
    public Cliente getClienteSession()
        {
		     cliente = (Cliente) 
             FacesContext.getCurrentInstance().getExternalContext().getSessionMap().get("clienteLogado");
		     return cliente;
	     }
}
2017-09-23T20:18:50.424-0300|Advertência: /header.xhtml @130,67 value="#{loginBean.cliente.email}": Target Unreachable, 'null' returned null
javax.el.PropertyNotFoundException: /header.xhtml @130,67 value="#{loginBean.cliente.email}": Target Unreachable, 'null' returned null
	at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
	at org.primefaces.util.ComponentUtils.getConverter(ComponentUtils.java:146)
	at org.primefaces.renderkit.InputRenderer.getConvertedValue(InputRenderer.java:176)
	at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1046)
	at javax.faces.component.UIInput.validate(UIInput.java:976)
	at javax.faces.component.UIInput.executeValidate(UIInput.java:1249)
	at javax.faces.component.UIInput.processValidators(UIInput.java:712)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at org.primefaces.component.dialog.Dialog.processValidators(Dialog.java:424)
	at javax.faces.component.UIForm.processValidators(UIForm.java:253)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1195)
	at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, 'null' returned null
	at com.sun.el.parser.AstValue.getTarget(AstValue.java:192)
	at com.sun.el.parser.AstValue.getType(AstValue.java:86)
	at com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:201)
	at org.jboss.weld.el.WeldValueExpression.getType(WeldValueExpression.java:93)
	at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:98)
	... 46 more

2017-09-23T20:18:54.238-0300|Advertência: /header.xhtml @130,67 value="#{loginBean.cliente.email}": Target Unreachable, 'null' returned null
javax.el.PropertyNotFoundException: /header.xhtml @130,67 value="#{loginBean.cliente.email}": Target Unreachable, 'null' returned null
	at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
	at org.primefaces.util.ComponentUtils.getConverter(ComponentUtils.java:146)
	at org.primefaces.renderkit.InputRenderer.getConvertedValue(InputRenderer.java:176)
	at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1046)
	at javax.faces.component.UIInput.validate(UIInput.java:976)
	at javax.faces.component.UIInput.executeValidate(UIInput.java:1249)
	at javax.faces.component.UIInput.processValidators(UIInput.java:712)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at org.primefaces.component.dialog.Dialog.processValidators(Dialog.java:424)
	at javax.faces.component.UIForm.processValidators(UIForm.java:253)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1261)
	at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1195)
	at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
	at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
	at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
	at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
	at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
	at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
	at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
	at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
	at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
	at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
	at java.lang.Thread.run(Thread.java:745)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, 'null' returned null
	at com.sun.el.parser.AstValue.getTarget(AstValue.java:192)
	at com.sun.el.parser.AstValue.getType(AstValue.java:86)
	at com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:201)
	at org.jboss.weld.el.WeldValueExpression.getType(WeldValueExpression.java:93)
	at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:98)
	... 46 more