JSF...duvida na utilização TabbedPanel

Front-end
#1

Olá pessoal,

estou tentando montar uma página jsp usando PanelTab

mas está dando erro conforme abaixo.

Não estou visualizando onde está o erro.

Se alguém puder me ajudar agradeceria…

abs

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

org.apache.jasper.JasperException: Exception in JSP: /tab2.jsp:9

6:   <f:loadBundle basename="br.com.example_messages" var="example_messages"/>
7: </head>  
8:   
9: <t:panelTab label="TELA 01" rendered="#{tabbedPaneBean.tab2Visible}">
10:     <h:inputTextarea ></h:inputTextarea>
11: </t:panelTab>
12:            


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:451)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
	com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)


root cause

–pagina jsp

<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://myfaces.apache.org/tomahawk" prefix="t"%>

<head>
  <f:loadBundle basename="br.com.example_messages" var="example_messages"/>
</head>  
  
<t:panelTab label="TELA 01" rendered="#{tabbedPaneBean.tab2Visible}">
    <h:inputTextarea ></h:inputTextarea>
</t:panelTab>

– classe

public class TabbedPaneBean implements Serializable
{
//private static final Log log = LogFactory.getLog(TabbedPaneBean.class);

/**
 * serial id for serialisation versioning
 */
private static final long serialVersionUID = 1L;

private boolean           _tab1Visible     = true;
private boolean           _tab2Visible     = true;
private boolean           _tab3Visible     = true;

public boolean isTab1Visible()
{
    return _tab1Visible;
}

public void setTab1Visible(boolean tab1Visible)
{
    _tab1Visible = tab1Visible;
}

public boolean isTab2Visible()
{
    return _tab2Visible;
}

public void setTab2Visible(boolean tab2Visible)
{
    _tab2Visible = tab2Visible;
}

public boolean isTab3Visible()
{
    return _tab3Visible;
}

public void setTab3Visible(boolean tab3Visible)
{
    _tab3Visible = tab3Visible;

–faces

[code}
<managed-bean>
<managed-bean-name>tabbedPaneBean</managed-bean-name>
<managed-bean-class>br.com.TabbedPaneBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
[/code]

#2