Uso JSF da mensagem Tag h:commandButton is missing required parent tag "form"

Front-end
#1

Olá,


na linha 
 <h:commandButton value="Salvar" action="#{usuarioFormBean.inserir}" />
 
 da a mensagem abaixo :

Multiple annotations found at this line:
	- Line breakpoint:index.jsp [line: 26]
	- Tag h:commandButton is missing required parent tag "form" (http://java.sun.com/jsf/html)

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<f:view>
  <h:panelGrid  columns="2" border="1">
     <h:outputLabel for="email" value="Email:"/>
     <h:inputText id="email" value="#{usuarioFormBean.usuario.email}"/>

     <h:outputLabel for="nome" value="Nome:"/>
     <h:inputText id="nome" value="#{usuarioFormBean.usuario.nome}"/>

     <h:outputLabel for="telefone" value="Telefone:"/>
     <h:inputText id="telefone" value="#{usuarioFormBean.usuario.telefone}"/>

     
  </h:panelGrid>

  
  <h:commandButton value="Salvar" action="#{usuarioFormBean.inserir}" />
  &lt;f:verbatim&gt;<br>&lt;/f:verbatim&gt;
  &lt;f:verbatim&gt;<br>&lt;/f:verbatim&gt;
  
  &lt;h:dataTable var="usuario" value="#{usuarioFormBean.usuarios}" width="30%" border="1" &gt;

     &lt;h:column&gt;
       &lt;f:facet name="HEADER"&gt;
          &lt;h:outputText value="EMAIL" /&gt;
           
       &lt;/f:facet&gt;
       &lt;h:outputText value="#{usuario.email}"/&gt;
     &lt;/h:column&gt;

     &lt;h:column&gt;
       &lt;f:facet name="HEADER"&gt;
          &lt;h:outputText value="NOME" /&gt;
           
       &lt;/f:facet&gt;
       &lt;h:outputText value="#{usuario.nome}"/&gt;
     &lt;/h:column&gt;

     &lt;h:column&gt;
       &lt;f:facet name="HEADER"&gt;
          &lt;h:outputText value="TELEFONE" /&gt;
           
       &lt;/f:facet&gt;
       &lt;h:outputText value="#{usuario.telefone}"/&gt;
     &lt;/h:column&gt;

  &lt;/h:dataTable&gt; 

&lt;/f:view&gt;
&lt;/body&gt;
&lt;/html&gt;
#2

esqueceu da tag

Insert title here [color=red][/color]

e no final

</h:dataTable>
[color=red]</h:form>[/color]
</f:view>

#3