Help with jar

Hi I've got a problem. I have created a media player and it's almost done but now I encountered a huge problem, when I make it into a jar archive it won't work. It won't connect to my Database and it won't play any music. What do I do?
[247 byte] By [Consideratea] at [2007-11-27 4:13:14]
# 1
Define "won't work". Post (copy/paste) any error message you get when you try to run this application.
Herko_ter_Horsta at 2007-7-12 9:19:26 > top of Java-index,Java Essentials,Java Programming...
# 2

No error message really... it just won't play the music and show the names of the files as it does in the non-.jar version

Sorry, I was wrong there is an error message when I try to play a song...

C:\Documents and Settings\Viktor\Mina dokument\Min musik\iTunes\iTunes Music\Ver

onica Mars OST\Veronica Mars - Best Of Season 1\01 We Used To Be Friends.mp3

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Viktor/SQ

L/SQL

at RectPanel$5.actionPerformed(RectPanel.java:200)

at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:19

95)

at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.jav

a:2318)

at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel

.java:387)

at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242

)

at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonL

istener.java:236)

at java.awt.Component.processMouseEvent(Component.java:6038)

at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)

at java.awt.Component.processEvent(Component.java:5803)

at java.awt.Container.processEvent(Container.java:2058)

at java.awt.Component.dispatchEventImpl(Component.java:4410)

at java.awt.Container.dispatchEventImpl(Container.java:2116)

at java.awt.Component.dispatchEvent(Component.java:4240)

at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322

)

at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)

at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)

at java.awt.Container.dispatchEventImpl(Container.java:2102)

at java.awt.Window.dispatchEventImpl(Window.java:2429)

at java.awt.Component.dispatchEvent(Component.java:4240)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)

at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThre

ad.java:273)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.

java:183)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre

ad.java:173)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

Message was edited by:

Considerate

Consideratea at 2007-7-12 9:19:26 > top of Java-index,Java Essentials,Java Programming...
# 3
Is it so I can't use files from my classpath when I create jar files?
Consideratea at 2007-7-12 9:19:26 > top of Java-index,Java Essentials,Java Programming...
# 4
I found the problem I got an Exception when I tried to contact a class in my classpath or when that class tried to connect to my Database
Consideratea at 2007-7-12 9:19:26 > top of Java-index,Java Essentials,Java Programming...