I don't know how to fix this error anymore
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html">
<h:head></h:head>
<body>
<h1>Java Enterprise Edition</h1>
<h:form>
<h:outputLabel value="Nome: "/>
<h:inputText value="#{formularioMB.nome}"/>
<h:commandButton value="Executar" action="#{formularioMB.executar}" />
</h:form>
</body>
</html>
package br.nead.ads.jee.mb;
import java.io.Serializable;
import javax.enterprise.context.RequestScoped;
import javax.inject.Named;
@Named
@RequestScoped
public class FormularioMB implements Serializable{
private static final long serialVersionUID = 1L;
private String nome;
public FormularioMB()
{
System.out.println("Criando uma instancia de exemploMB");
}
public void setNome(String nome)
{
System.out.println("SetNome "+nome);
this.nome = nome;
}
public String getNome()
{
System.out.println("GetNome "+nome);
return nome;
}
public void executar()
{
System.out.println("Invocando metodo executar()...");
System.out.println("Nome digitado: " + nome);
}
}
I already tried using @managetbeans but it didn't work either.
this is the error that is causing
javax.servlet.ServletException: /index.xhtml @13,46 value="#{formularioMB.nome}": Destino inacessível, identificador 'formularioMB' resolvido como nulo
em javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:725)
em javax.faces.webapp.FacesServlet.service(FacesServlet.java:451)
em io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
em io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
em io.opentracing.contrib.jaxrs2.server.SpanFinishingFilter.doFilter(SpanFinishingFilter.java:52)
em io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
em io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
em io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
em io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
em io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
em io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
em org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
em io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
em io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
em io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)
em io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
em io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
em io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
em io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
em io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
em io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
em io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
em io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
em io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
em org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
em io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
em org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
em io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
em io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
em io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
em io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
em io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
em io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
em io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
em org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
em org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
em org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
em org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
em org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
em org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1504)
em io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
em io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
em io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
em io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
em io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
em org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
em org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
em org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
em org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
em java.lang.Thread.run(Thread.java:748)
Causado por: javax.el.PropertyNotFoundException: /index.xhtml @13,46 value="#{formularioMB.nome}": Destino inacessível, identificador 'formularioMB' resolvido como nulo
em com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:64)
em com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:71)
em javax.faces.component.UIInput.getConvertedValue(UIInput.java:1105)
em javax.faces.component.UIInput.validate(UIInput.java:1006)
em javax.faces.component.UIInput.executeValidate(UIInput.java:1317)
em javax.faces.component.UIInput.processValidators(UIInput.java:733)
em javax.faces.component.UIForm.processValidators(UIForm.java:229)
em javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:921)
em javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1309)
em com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:53)
em com.sun.faces.lifecycle.Phase.doPhase(Phase.java:76)
em com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
em javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:707)
... mais 49
Causado por: javax.el.PropertyNotFoundException: Target Unreachable, identificador 'formularioMB' resolvido como nulo
em com.sun.el.parser.AstValue.getTarget(AstValue.java:149)
em com.sun.el.parser.AstValue.getType(AstValue.java:61)
em com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:177)
em org.jboss.weld.module.web.el.WeldValueExpression.getType(WeldValueExpression.java:93)
em org.jboss.weld.module.web.el.WeldValueExpression.getType(WeldValueExpression.java:93)
em com.sun.faces.facelets.el.TagValueExpression.getType(TagValueExpression.java:62)
... 61 mais
I've already done several searches but nothing solved it, I copied this code exactly the same from the college book, but it's giving me an error.
any help I appreciate it