Ajuda - Hibernate - Update (Resolvido)

<hibernate-mapping>
	<class name="com.br.sistema.bean.InMenus" table="in_menus">
		<id column="idIN_MENUS" name="idinMenus" type="integer">
			<generator class="native"/>
		</id>
		<property column="DESCRICAO" length="255" name="descricao" not-null="true" type="string"/>
		<property column="LINK" length="255" name="link" not-null="true" type="string"/>
		<property column="ATIVO" length="1" name="ativo" not-null="true" type="string"/>
					

  
	</class>

private Integer idinMenus;

org.hibernate.TransientObjectException: The given object has a null identifier: com.br.sistema.bean.InMenus

at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.getUpdateId(DefaultSaveOrUpdateEventListener.java:249)

at org.hibernate.event.def.DefaultUpdateEventListener.getUpdateId(DefaultUpdateEventListener.java:46)

at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:217)

at org.hibernate.event.def.DefaultUpdateEventListener.performSaveOrUpdate(DefaultUpdateEventListener.java:33)

at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)

at org.hibernate.impl.SessionImpl.fireUpdate(SessionImpl.java:564)

at org.hibernate.impl.SessionImpl.update(SessionImpl.java:552)

at org.hibernate.impl.SessionImpl.update(SessionImpl.java:544)

at com.br.sistema.dao.MenusDAO.setUpdate(MenusDAO.java:25)

at com.br.sistema.business.MenuB.setAlterar(MenuB.java:14)

at com.br.sistema.action.MenuAction.Alterar(MenuAction.java:140)

at com.br.sistema.action.MenuAction.execute(MenuAction.java:184)

at org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)

at org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)

at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)

at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)

at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)

at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)

at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)

at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)

at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)

at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)

at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)

at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)

at java.lang.Thread.run(Unknown Source)

@Entity
@Table(name="usuario")
@SuppressWarnings("serial")

public class Usuario  implements Serializable {

	private Estado estado= new Estado();

    private String login;
    private String nomeReduzido;
    private String nomeCompleto;
    private String email;
    private String senha;
    private Date nascimento;
	

	
	@ManyToOne
	public Estado getEstado() {
		return estado;
	}

	public void setEstado(Estado estado) {
		this.estado = estado;
	}
	
	public Usuario(){}
	
	public Usuario(Estado estado, String login, String nomeReduzido,
			String nomeCompleto, String email, String senha, Date nascimento) {
		super();
		this.estado = estado;
		this.login = login;
		this.nomeReduzido = nomeReduzido;
		this.nomeCompleto = nomeCompleto;
		this.email = email;
		this.senha = senha;
		this.nascimento = nascimento;
	}

	@Id
	@Column(name="login")
	public String getLogin() {
		return login;
	}

	public void setLogin(String login) {
		this.login = login;
	}
	
	@Column(name="nomeReduzido")
	public String getNomeReduzido() {
		return nomeReduzido;
	}

	public void setNomeReduzido(String nomeReduzido) {
		this.nomeReduzido = nomeReduzido;
	}
	@Column(name="nomeCompleto")
	public String getNomeCompleto() {
		return nomeCompleto;
	}

	public void setNomeCompleto(String nomeCompleto) {
		this.nomeCompleto = nomeCompleto;
	}
	@Column(name="email")
	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}
	@Column(name="senha")
	public String getSenha() {
		return senha;
	}

	public void setSenha(String senha) {
		this.senha = senha;
	}
	
	@Temporal(TemporalType.DATE)
	@Column(name="nascimento")
	public Date getNascimento() {
		return nascimento;
	}

	public void setNascimento(Date nascimento) {
		this.nascimento = nascimento;
	}

}

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>

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

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Atualizar Usuario</title>
</head>
<body>
<f:view>
	<h:form id="cadastro">
		<h:panelGrid columns="2">
			<f:facet name="header">
				<h:outputText value="Atualizar Usuarios" />
			</f:facet>
			<h:outputText value="Login" />
			<h:inputText size="10" id="login"
				value="#{usuarioBean.usuario.login}" readonly="true" />

			<h:outputText value="senha" />
			<h:inputText size="10" id="senha"
				value="#{usuarioBean.usuario.senha}" />


			<h:outputText value="Nome" />
			<h:inputText size="15" id="nome"
				value="#{usuarioBean.usuario.nomeReduzido}" />


			<h:outputText value="Data de Nascimento" />
			<h:inputText size="10" id="nascimento"
				value="#{usuarioBean.usuario.nascimento}">
				<f:convertDateTime pattern="dd/MM/yyyy" />
			</h:inputText>

			<h:outputText value="Unidade Federativa" />
			<h:selectOneMenu value="#{usuarioBean.usuario.estado.id}">
				<f:selectItems value="#{usuarioBean.estados}" />
			</h:selectOneMenu>



		</h:panelGrid>

		<h:commandButton value="Atualizar" action="#{usuarioBean.atualizar}" />
		<h:commandButton value="Redefinir" type="reset" />
		<h:commandButton value="Cancelar" action="mostrar" />

	</h:form>
</f:view>
</body>
</html>