How to show alert in a jsp from a servlet and then redirect to another jsp?
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Xaul Omar Tobar
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Published on 2014-06-12T04:55:08Z
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2014/06/12
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I tried this but does not display the message only redirects login.jsp
<form method="post" action="Login_Servlet" >
<input name="idUsuario" type="text"/>
<input name="password" type="password" />
<button type="submit">Entrar</button>
</form>
Login_Servlet
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String userid= request.getParameter("idUser");
String password = request.getParameter("password");
Login_Service login_Service = new Login_Service();
boolean result = login_Servicio.aut(userid, password);
Usuario user = login_Servicio.getUsuariosByUsuario(userid);
if(result == true){
request.getSession().setAttribute("user", user);
response.sendRedirect("vistas/Inicio.jsp");
}
else{
out.println("<script type=\"text/javascript\">");
out.println("alert('User or password incorrect');");
out.println("</script>");
response.sendRedirect("index.jsp");
}
Is it possible to display a message like this? if so I'm doing wrong?
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