Questions tagged as 'java-ee'

Tagged questions
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answers

How to set the location of the resources directory

I'm creating a project in Apache Wicket , as I'm new to it, I'm trying to set background-images and get some javascript functions from bootstrap , so I can not define the path of images in html or css. I try to './resources/img/im...
asked by 19.12.2014 / 17:57
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Error: package javax.servlet does not exist import javax.servlet. *

I've created the directories correctly, copied the code and now does not compile and returns this error. I'm compiling the terminal using javac. link package com.example.web; import javax.servlet.*; import javax.servlet.http.*; import...
asked by 29.12.2014 / 19:54
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Manipulate a List inside a foreach in a view

I have a doubt that it should be simple to solve, but I am not able to develop a logic, or even be doing the wrong thing. Well, I have a table in which I scroll through a table called "categories" within this table. I have a relationship with...
asked by 13.08.2014 / 21:15
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Spaces in the input when writing something

I have an application in Java Web, I have an input text and I would like to put a button or something, because when you type something inside that input, if the user wants can click on this button in which you move the text to the right , as if...
asked by 16.06.2015 / 04:44
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Why object is not being instantiated?

I have a Bean class ( Casa.java ) public class Casa{ //atribubutos private String parede; public Casa(){ } //getters e setters public void setParede(String parede){ this.parede = parede;...
asked by 15.10.2015 / 17:01
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How to sort and clutter a datatable in JSF by clicking the column?

Well, I have a JSF application, I would like to know how to sort and clutter datatable when clicking on the column, in that table there are 6 columns and 3 of them would like me to click it to sort according to the clicked column? * On-demand...
asked by 03.05.2014 / 17:53
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How to install Java EE perspective in Eclipse?

I want to start studying Java for web (Servlets, JSP, EJB, Servlets and JSP). I already have installed Tomcat, JRE, JDK 7 and Eclipse Kepler Standard. How do I configure Eclipse to add the JEE perspective via plugins? I need to add the Enterp...
asked by 10.03.2014 / 07:23
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Why this error

Can anyone please explain this error to me? <% String[][] mesa = new String[30][30]; out.println(""); for(int i=30; i>=0; i--) { for(int n=0; n<((302)+1); n++) { out.print("-"); }...
asked by 21.06.2017 / 05:23
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Application works in eclipse and stops working after generating the executable JAR

I'm working on two applications here in the company that are giving me a certain headache for a reason that the solution should be simple plus I can not find the error, the two applications normally work within eclipse, more when I generate the...
asked by 05.01.2017 / 12:21
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How do I include a field in the PrimeFaces dataExporter that does not exist in the dataTable?

How to include a field in the dataTable of the dataTable (Primefaces) that is not in the dataTable? I am generating an Excel file from a dataTable with dataExporter, but I need to include a column that does not exist in the dataTable. This...
asked by 07.10.2015 / 19:10