Erro javax.el.PropertyNotFoundException

Programação
#1

Olá alguém poderia me ajudar sou novato na area, estou tentando fazer um simples teste no eclipse com jsf2. Segue abaixo a descrição do erro os codigo fonte e classes utilizadas.

An Error Occurred:
/teste.xhtml @15,45 value="#{OlaMundoBean.nome}": Target Unreachable, identifier ‘OlaMundoBean’ resolved to null

  • Stack Trace
  • Component Tree
  • Scoped Variables

javax.el.PropertyNotFoundException: /teste.xhtml @15,45 value="#{OlaMundoBean.nome}": Target Unreachable, identifier ‘OlaMundoBean’ resolved to null
at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:100)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:95)
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1045)
at javax.faces.component.UIInput.validate(UIInput.java:975)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1248)
at javax.faces.component.UIInput.processValidators(UIInput.java:712)
at javax.faces.component.UIForm.processValidators(UIForm.java:253)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1260)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1260)
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.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, identifier ‘OlaMundoBean’ resolved to null
at org.apache.el.parser.AstValue.getTarget(AstValue.java:74)
at org.apache.el.parser.AstValue.getType(AstValue.java:58)
at org.apache.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:168)
at com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:98)
… 34 more

package br.com.teste.JSF;

import javax.annotation.ManagedBean;

@ManagedBean
public class OlaMundoBean {
    //menagedbean==> para o jsf enxergar e gerenciar precisamos incluir a 
    //anotação ManagedBean
        
        private String nome;

        public String getNome() {
            return nome;
        }

        public void setNome(String nome) {
            this.nome = nome;
        }
        
    
    

}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://xmlns.jcp.org/jsf/html"
    xmlns:ui="http://java.sun.com/jsf/facelets"> 
<h:head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <h:title>JSF</h:title>
</h:head>
<h:body>
    <h:form>
  Seu nome:
  <!-- #{olamundobean.nome}==> fazendo a rferencia entre o xhtml com
         o atributo nome da classe OlaMundoBean  -->
  <h:inputText value="#{OlaMundoBean.nome}"></h:inputText>
        <h:commandButton value="Enviar"></h:commandButton>
        
        <br/>
        
        Nome Digitado: #{OlaMundoBean.nome}
    </h:form>
</h:body>
</html>