Applet « mysql « Java Database Q&A





1. How do I permit my Java applet to use MySQL?    stackoverflow.com

I've recently gotten my hobby java project embedded into a page thanks to this very site, but now I'm having some security issues. I have the include:

import java.sql.*;
and the line:
Class.forName("com.mysql.jdbc.Driver").newInstance();
as well ...

2. MYSQL & Java Applet    stackoverflow.com

I am currently changing a java desktop application over to a java applet. Everything is working fine, but as soon as the applet attempts to make a mysql database call, it ...

3. connecting java applet with remote(?) mysql server    stackoverflow.com

I have a mysql database and an applet in some free hosting site. The applet needs to access that mysql database. How do I do that ? Is it possible to ...

4. Save Java Applet Variable to Mysql    stackoverflow.com

Hi I've done a lot of research on the best way to communicate between a java applet and MySql Database. I have a tune player which I have students logging onto, it's a ...

5. Java Applet on an Xampp Server - No suitable driver found on jdbc:mysql://localhost:3306/    stackoverflow.com

I'd like to preface this question by saying that I'm really new at server setup and programming. I made an applet that views data from tables in a MySQL database and lets ...

6. Java Applet: JDBC-mysql work in eclipse but not in the browser    stackoverflow.com

I have a weird problem. My java applet work fine in my IDE (Eclipse), no errors whatsoever. It still "work" when I run the applet in my browser, but it can't ...

7. Applet unable to connect to mysql server    stackoverflow.com

I am developing a java applet which connects to mysql database, the applet works fine on local host but when I uploaded it and tried to run, i get an error ...

8. MySQL and JApplet (yes another one)    stackoverflow.com

Before I begin I would like to mention that I have researched this thoroughly and have yet to find a solution which has worked for me (a good 2-3 days of ...

9. Java applet and Database connection    stackoverflow.com

I'm a building a web application in java. I have to create an applet for displaying some charts to the clients. The problem is that I don't want the applet to ...





10. Java - Can connect to mysql server in netbeans, but will not work as applet    stackoverflow.com

i'm trying to connect to a mysql server (which is on the same machine right now, as in i'm connecting to localost (I'm using Windows and have Apache, PHP, Mysql and ...

11. Java applet connects to mysql in IDE but fails to connect in web browser    stackoverflow.com

I am trying hard to build an applet which takes input text from MYSQL database and displays on the screen. I get the connection to MySQL in when I run it ...

12. Modifying variables of a Java Applet    stackoverflow.com

I am interested in working on a multiplayer game in Java. I am concerned about hackers modifying game data and right now I'm interested in running my game in an Applet ...

13. Connect to MySQL from Applet    coderanch.com

If you don't want to bother with certification, your applet is only allowed to communicate back with the host it was loaded from. So you have two choices: 1. put the database on the same machine as the web server 2. run a "port redirector" on the web server machine which redirects traffic on a specified port to a different port ...

14. MYSQL in applet?    coderanch.com

15. Applet to MySQL DB connection Success!!!!    coderanch.com

Ok, I have been trying to get this to work for about a week now and I finally did it!! So, for all those struggling with it, here is a complete instruction set on what I did. System Specs Server - Windows 2000 Advanced Server running as Web Server Database - MySQL Max 4.0 MySQL Driver - mm.mysql.jdbc-1.2c JDK 1.3.1_02 Java ...





17. applet mysql access    coderanch.com

18. Mysql+Applet Connection Problem, attention pls.    coderanch.com

Hi. I am trying to connect my applet to a mysql server in my computer. But I have a problem. Let me expand my problem: here is my simple java code: import java.applet.Applet; import java.awt.Color; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class DbConnectorForNet extends Applet{ public DbConnectorForNet(){ } public void init() { setBackground( Color.black); System.out.println("Init"); start(); } public void destroy() ...

19. connecting java applet with mysql using JDBC    coderanch.com

An applet is Java code like any other code, so whatever you can do in a desktop application or a web app, you can do in an applet. BUT, applets are only allowed to connect to the server where they are hosted. So if the database is not located on the same machine as the web server that hosts the applet ...

20. Problems about connecting MySQL from Applet    coderanch.com

JavaRanch Java Forums Java JDBC Author Problems about connecting MySQL from Applet Shan Xue Greenhorn Joined: Oct 27, 2009 Posts: 2 posted Oct 27, 2009 13:35:19 0 Hi all, I have tried many solutions, but I still have trouble on connecting MySQL from applet. Project: online Morse code experiment system Description: the system should allow Morse code listeners ...

21. connect to mysql via applet on remote server    dbforums.com

If I have missed posts on this, apologies in advance. I've spent the last 3 weeks googling and posting to find a solution. I'm running a java applet which needs to connect to mysql on a remote server. I have read some posts that suggest using PHP to act as a proxy. The applet then contacts the proxy. Has anyone done ...

22. Adding an MYSQL java driver to an APPLET project    java-forums.org

java.lang.reflect.InvocationTargetException at java.awt.EventQueue.invokeAndWait(Unknown Source) at javax.swing.SwingUtilities.invokeAndWait(Unknown Source) at applet.appletMain.init(appletMain.java:53) at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ExceptionInInitializerError at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:286) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at applet.standardDB.main(standardDB.java:18) at applet.appletMain$1.run(appletMain.java:56) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEventImpl(Unknown Source) at java.awt.EventQueue.access$000(Unknown Source) at java.awt.EventQueue$1.run(Unknown Source) at java.awt.EventQueue$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at ...

23. Java Applets connecting to a MySQL database    forums.oracle.com

Greetings, I'm currently wondering if there is a way to make an applet that somehow gets data from my database. Most of the documents I've seen are for connecting java to your own database using something like connector/J, where you install a driver to have access to it. But essentially I want to do some of the things I can do ...

24. Java Applets and Mysql    forums.oracle.com

( assuming the answer is yes: ) - is the applet downloaded from this same webhost? If not you cannot connect to the webhost; an applet is only allowed to open a connection to the host it was downloaded from. - have you contacted the webhost to know what their security restrictions are? If for example they have to open up ...

25. Applets & MySql    forums.oracle.com

Hello all! I know this topic has been examined many times before, but I wanted a hint on my application. I was creating this applet that should connect to a MySql database and then create a list of photo albums to display on the screen. Obviously I encountered the "java.security.AccessControlException", and quickly googled for some explanation. Then I discovered that the ...

26. Applet+Browser*MySQL    forums.oracle.com

Hello! I have the following problem: I use MySQL 5.0, JDK 6, Firefox 2.0 I have written an applet with usage of databases. Problem: the applet is running in Browser, but I can't show my tables with data or do anything related to the database... Why??? What can I do??? regards, Yana

27. Applet MySql?    forums.oracle.com

Hi all I am urgently in need of help with problem as it is for my final year project any help would be greatly appreciated. i have a Applet that connects to a MySql data base,when i run the Applet using Eclipse it works perfectly,yet when i put the Applet on a HTML page it gives the following error when you ...

28. MySQL connection from Applet Trouble    forums.oracle.com

//*********BLOCK TO RETRIEVE RECORDS FROM TABLE********* try{ Statement st = conn.createStatement(); ResultSet res = st.executeQuery("SELECT * FROM table1"); System.out.println("Name: " + "\t" + "Age: "); while (res.next()) { String s = res.getString("name"); int i = res.getInt("age"); System.out.println(s + "\t" + i); } } catch (SQLException s){ y = y + 20; g.drawString("******* SQL exception s: "+s,50,y); } //*********END OF BLOCK TO ...

29. Applet to Remote MySql Example?    forums.oracle.com

Hi: I'm trying to find a WORKING example of an applet connecting to and communicating with a REMOTE MySql Server. I'm running MySql 4.1. I keep finding solutions that involve skirting around a direct connection between an applet and MySql. I'm not concerned about security here but the applet can be anywhere on the Internet. The MySql server is stationary. I ...