Questions tagged as 'java'

Tagged questions
1
answer

Show image BLOB type of MySQL in a JSP?

I have this code but it does not show me anything, as I can do to show the images I have in my database on a jsp page. mostrar.jsp: <%@ page import="java.sql.*" %> <%@ page import='java.io.InputStream' %> <%@ page im...
asked by 08.12.2016 / 03:47
1
answer

Error NoClassDefFoundError When converting .xls to .xlsx

I have an Error wanting to Convert this file with a method of the following class: public class ProcesaArchivo { UtilArchivo util = new UtilArchivo(); Path currentRelativePath = Paths.get(""); String s = currentRelativePath.toAbsolutePath().to...
asked by 14.12.2016 / 17:40
1
answer

Generate PDF with iText - Insert data in JAVA table

I would like to print in a PDF the information of all my clients with their names and surnames (two columns), I extracted these data from an SQL query. I print these data well in a PDF but I show them line by line what I want is to create a t...
asked by 15.12.2016 / 08:25
2
answers

this.dispose () in Eclipse does not work

When I write: this.dispose(); Using Eclipse with Windows Builder, it does not work for me, does not close the current window, what can I do? Code: package ventanas; import java.awt.EventQueue; import javax.swing.JFrame; import javax.s...
asked by 03.12.2016 / 07:05
1
answer

as I filled out a drop-down list in jsp with a mysql servlet query

I need to create a drop-down list in jsp with a query made in mysql I am working with mvc attached the servlet where I have the data of the query but I could not send the data to the drop-down list and also attached the jsp page. Can you tell...
asked by 01.03.2017 / 21:33
1
answer

Create a Java object from a list of other objects [closed]

I have a class Torres that is composed of other classes Plaques and Memories all inherit from Producto : public class Torres extends Producto { private Plaques plaques; private Memories memories; public...
asked by 11.01.2017 / 22:55
2
answers

Change icon .exe native packaging javafx

I have a problem with the icon of an .exe generated from a native javafx package. I see the Java icon instead of the application icon. How could I change it ???     
asked by 29.11.2016 / 19:44
1
answer

Connect a JTable object with a Collection object

I have a public Collection<Suppliers> getAllSuppliers() method which obviously returns the data from the suppliers table. In the client part swing I try to show in a JFrame an object JTable containing...
asked by 29.11.2016 / 11:01
1
answer

How to send headers from php to web service SOAP in java?

From my xampp server I consume a SOAP web service that is on a JBOSS server. When I use it I get the user and password parameters for authentication, but I send another parameter as a header and it does not arrive. If I consume the web service u...
asked by 05.12.2016 / 16:07
1
answer

How to close the connection correctly with MySQL in Java when reading from the database to fill a JTable

I request in my program a phone number of origin, another destination and the duration. I keep it in the database, then I must read the database to fill a JTable but, you are giving me the following error:    mysql.jdbc.exceptions.jdbc4.MySQL...
asked by 26.11.2016 / 03:21