Questions tagged as 'servlets'

Tagged questions
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Send messages from Servlet to Java Script

I have a question that has taken a little time from me. I am working with a Handsondtable , component of the JS table. It turns out that when I insert data into the table, I send it to the Servlet by means of a call from the JavaScript. In t...
asked by 05.07.2018 / 15:32
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How to pass a fix by Jquery ajax to a servlet (java)

I have an order form with several input and I want to send the value of all these input to a servlet through jQery ajax to a servlet, my problem is that the amount of these input is variable ie the user is free to increase more orders (input) so...
asked by 27.06.2018 / 01:44
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input gives me the value of null in Java EE and PostgresSQL

help I have already gone from error to error with my code and in all the problem is related to "null", my conclusion is that the input of my form gives me a value null and not the one that I type. import javax.servlet.*; import javax.servlet.h...
asked by 25.06.2018 / 22:52
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help my servlet does not work for me

Hello everyone I'm creating a project that saves a form in the database before I worked everything now no servlet works but no error comes out jsp <%@page contentType="text/html" pageEncoding="UTF-8"%> <%@page import="java.s...
asked by 22.06.2018 / 22:26
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How to make a web login with netbeans

I need to make a login to verify if the user data and password exist within a .dat file, if they exist, you should redirect me to the main page but instead send me to a completely empty page that has the name of the class that verifies and assum...
asked by 17.06.2018 / 23:49
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how to use an update statement in java web?

I'm trying to modify data in a table with the update statement in java web, use a servlet to capture the data and send it to a java class called " adoproducto " with a method called " Modify "that receives two parameters id (type integer...
asked by 12.06.2018 / 18:06
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How to get data from a servlet that returns a json in java in a function

is my first question and I urgently need to respond. The case is that they help me create a function that returns data from this servlet that happened to me. SERVLET LIBRARY srvconsultasbiblio is the servlet that has 3 parameters: getl...
asked by 10.06.2018 / 05:41
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How to send data from several tables using sessions in JSP

I have a problem when I send data from a query to mysql with several tables, when sending them to the servlet, the servlet goes blank. I'm using model - view - controller In the project view I have a form where I sent the request the pag...
asked by 04.06.2018 / 23:36
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How to display PDF from Java

I would like to know how I can show a pdf file generated in servlet and show it a new tab / window html or jsp, I still do not make the document but I do not see that it is very complicated. Is it possible to do something like what I have in...
asked by 08.06.2018 / 05:18
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Error 500 jsp Help

votar en contra accept <label required>Departamentos</label> <select class="form-control" onchange="buscarProvincia(this);" id="nIdeDptoNac"> <option value="${cmb.nIdeCompendio}">-...
asked by 31.05.2018 / 18:14