html a servelt error http status 500

lucke · 8 Mayo 2016, 05:27 AM

<html>
    <head>
        <title>TODO supply a title</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body bgcolor="#FFFF00">
        <center><h1>Inicio de Sesión</h1></center>
        <center><form method="post" action="ServeltInicioSesion" >
         <input type="text" name="txtUsuario"/><br>
         <input type="password" name="txtClave"/><br>
         <input type="submit" value="Entrar">
            </form></center>
        
    </body>
</html>

Tiene que llegar al servlet que tiene la url:
/ServeltInicioSesion

y aparece este error

HTTP Status 500 - Internal Server Error

type Exception report

messageInternal Server Error

descriptionThe server encountered an internal error that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
note The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 4.1 logs.

GlassFish Server Open Source Edition 4.1

Test Foro de elhacker.net SMF 2.1

html a servelt error http status 500

lucke