As the title says I can't get running JDownloader under sabayon, I used ubuntu, linux mint, opensuse and arch before, and in all those system it was working, but now I'm using sabayon and when I use JDownloader, it start to run, then appears in the tray bar, and I can't access. When I double click on the tray icon I get the following error in the terminal:

Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
        at jd.plugins.optional.jdtrayicon.JDLightTray.mousePressed(JDLightTray.java:270)
        at jd.plugins.optional.jdtrayicon.TrayMouseAdapter.mousePressed(TrayMouseAdapter.java:108)
        at java.awt.TrayIcon.processMouseEvent(Unknown Source)
        at java.awt.TrayIcon.processEvent(Unknown Source)
        at java.awt.TrayIcon.dispatchEvent(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.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue$2.run(Unknown Source)
        at java.awt.EventQueue$2.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 jd.gui.swing.jdgui.events.EDTEventQueue.dispatchEvent(EDTEventQueue.java:24)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)

I'm using Sun JRE 1.6.0.29 [sun-jre-bin-1.6] from entropy and I downloaded the latest JDownloader and still the same error, also sabayon is up to date.
I really appreciate your help, I spent a lot of weeks on this, and actually I found a threat on this forum but it never gave the answer, just said the config was wrong. that's not really helpful. Thanks for your time.

You can check whether the cause of your problem is a corrupt configuration database. Exit jD, make a backup copy of jD's config folder, delete its contents and restart jD. jD will then create a new, empty database.

Thanks remi for your answer, I did what you said, but the problem is the same, JD start a new update, let me choose the language, and appear in the tray bar, but when I double click on it, I get in the terminal the same error. And of course JD doesn't appear.

Thanks a lot, I deleted the config a few times and update everything it asked, and it worked!!! thanks for your help.

[Think3r]

Glad it worked.
Greetz