[resolvodo]The class 'br.com.caelum.tarefas.modelo.Usuario' does not have the property 'login'

6 respostas
andreacerqueira

não entendo de onde vem esse property 'login' pois ele não está em parte alguma do meu código.
:shock:property 'login'

meu jsp de login é esse
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>

<c:import url="header.jsp" />

	<h1>Página de Login</h1>
	
	<form:errors path="login.usuario" cssStyle="color:red" />
	<form:errors path="login.senha" cssStyle="color:red" />
	<form action="efetuaLogin" method="post">
		<p class="form1">
	        <label>Login:</label>
	        <input type="text" name="usuario" class="text-input" />
	    </p>
	    <p class="form1">
	        <label>Senha:</label>
	        <input type="password" name="senha" class="text-input" />
	    </p>
	    <p class="form1-but">
	        <input type="submit" value="Logar" class="but" />
	    </p>
	</form>
	
	<br clear="all" />

<c:import url="footer.jsp" />
meu controller:
@RequestMapping("efetuaLogin")
	public String efetuaLogin(@Valid Usuario usuario, HttpSession session, BindingResult result) {
		UsuarioDAO dao = new UsuarioDAO();
		if(dao.existeUsuario(usuario)) {
			session.setAttribute("usuarioLogado", usuario);
			return "home";
		}
		return "redirect:loginForm";
	}
meu DAO:
public Boolean existeUsuario(Usuario usuario) {
    	String sql = "SELECT id FROM usuarios WHERE usuario = ? AND senha = ?";
        try {
	    	PreparedStatement stmt = this.connection.prepareStatement(sql);
	        stmt.setString(1, usuario.getUsuario());
	        stmt.setString(2, usuario.getSenha());
	        ResultSet rs = stmt.executeQuery();

	        if (rs.getFetchSize() > 0) {
	        	System.out.println("USUARIO EXISTE!");
	        	stmt.close();
		        return true;
	        } else {
	        	System.out.println("USUARIO INEXISTENTE!");
	        	stmt.close();
		        return true;
	        }
    	} catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
a class:
public class Usuario {
	private Long id;
	
	private String nome;
	
	private String sobrenome;

	private String usuario;

	private String senha;
	
	private Calendar data;

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public String getNome() {
		return nome;
	}

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

	public String getSobrenome() {
		return sobrenome;
	}

	public void setSobrenome(String sobrenome) {
		this.sobrenome = sobrenome;
	}

	public String getUsuario() {
		return usuario;
	}

	public void setUsuario(String usuario) {
		this.usuario = usuario;
	}

	public String getSenha() {
		return senha;
	}

	public void setSenha(String senha) {
		this.senha = senha;
	}

	public Calendar getData() {
		return data;
	}

	public void setData(Calendar data) {
		this.data = data;
	}

}
o erro:
INFO: Conectannnnndo ao banco!
INFO: USUARIO INEXISTENTE!

WARNING: ApplicationDispatcher[/Tarefas] PWC1231: Servlet.service() for servlet jsp threw exception
javax.el.PropertyNotFoundException: The class 'br.com.caelum.tarefas.modelo.Usuario' does not have the property 'login'.
	at javax.el.BeanELResolver.getBeanProperty(BeanELResolver.java:661)
	at javax.el.BeanELResolver.getValue(BeanELResolver.java:290)
	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:185)
	at com.sun.el.parser.AstValue.getValue(AstValue.java:116)
	at com.sun.el.parser.AstValue.getValue(AstValue.java:163)
	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:219)
	at org.apache.jasper.runtime.PageContextImpl.evaluateExpression(PageContextImpl.java:1009)
	at org.apache.jsp.WEB_002dINF.views.home_jsp._jspService(home_jsp.java:65)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
	at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:787)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:649)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:483)
	at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:454)
	at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:350)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:300)
	at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
	at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
	at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
	at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
	at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
	at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
	at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
	at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
	at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
	at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
	at java.lang.Thread.run(Thread.java:722)

WARNING: StandardWrapperValve[springmvc]: PWC1406: Servlet.service() for servlet springmvc threw exception
javax.el.PropertyNotFoundException: The class 'br.com.caelum.tarefas.modelo.Usuario' does not have the property 'login'.
	at javax.el.BeanELResolver.getBeanProperty(BeanELResolver.java:661)
	at javax.el.BeanELResolver.getValue(BeanELResolver.java:290)
	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:185)
	at com.sun.el.parser.AstValue.getValue(AstValue.java:116)
	at com.sun.el.parser.AstValue.getValue(AstValue.java:163)
	at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:219)
	at org.apache.jasper.runtime.PageContextImpl.evaluateExpression(PageContextImpl.java:1009)
	at org.apache.jsp.WEB_002dINF.views.home_jsp._jspService(home_jsp.java:65)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
	at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:787)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:649)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:483)
	at org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:454)
	at org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:350)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:300)
	at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
	at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
	at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
	at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
	at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
	at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
	at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
	at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
	at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
	at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
	at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
	at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
	at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
	at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
	at java.lang.Thread.run(Thread.java:722)

6 Respostas

B

Veja se no header ou footer.jsp tem alguma coisa.

andreacerqueira

não tem :(

<!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=ISO-8859-1">
        <title>Tarefas</title>
        <link rel="StyleSheet" type="text/css" href="resources/css/style.css" media="screen">
        <link rel="StyleSheet" type="text/css" href="resources/datepicker/jquery.ui.theme.css" media="screen">
        <link rel="StyleSheet" type="text/css" href="resources/datepicker/jquery.ui.datepicker.css" media="screen">
        <script type="text/javascript" src="resources/scripts/jquery-1.7.1.js"></script>
        <script type="text/javascript" src="resources/scripts/ajax.js"></script>
        <script type="text/javascript" src="resources/datepicker/jquery.ui.core.js"></script>
        <script type="text/javascript" src="resources/datepicker/jquery.ui.widget.js.js"></script>
        <script type="text/javascript" src="resources/datepicker/jquery.ui.datepicker.js"></script>
        <script type="text/javascript" src="resources/datepicker/jquery.ui.datepicker-pt-BR.js"></script>
        <script type="text/javascript" src="resources/scripts/validacao.js"></script>
    </head>
    <body>
        <ul id="topo">
            <li><a href="listaTarefas">Tarefas</a></li>
            <li><a href="novaTarefa">Adicionar Tarefa</a></li>
            <br clear="all" />
        </ul>
        <div id="geral">
        </div><!-- #geral -->
    <div id="rodape">Rodapé - 2012</div>
</body>
</html>
B

edit: viajei

andreacerqueira

limpei o work do tomcat e parou de dar o erro.
só mais uma coisa, rs.getFetchSize() não me retorna a qtd de registro de uma query?
pois eu imaginava que sim, só que não tá funcionando a consulta, sempre retorna com usuário inexistente, ou seja nenhum registro encontrado.

B

Fetch Size é só uma dica que o programa passa por banco de dados para o tamanho da página de registros que ele deve executar para trazer o dado.

Pra saber se houve um resultado, use o rs.next().

Lembrando que o ResultSet funciona como um Iterator, não como uma Collection, você tem que ficar perguntando se tem um próximo resultado a cada registro que vem do banco.

andreacerqueira

mmm, agora foi, muito obrigado bruno :wink:

Criado 7 de maio de 2012
Ultima resposta 7 de mai. de 2012
Respostas 6
Participantes 2