Eclipse Bug: Unhandled event loop exception No more handles

Question

I\'ve built a GUI using Swing and the MigLayout.

I am using Eclipse 4.2.2 (64-bit) on Windows 7 Ultimate. Every time I click back into the window to edit my code, a

Answer 1

I had DisplayFusion running, which is a special Windows program used to manage multiple monitors. Turning it off seemed to fix this issue for me.

Answer 2

If you have a fresh Windows 7, force a Windows Update. That will make the problem go away. It's a shot in the dark, but solved my problem. I struggled with it for a day until I realized that newer eclipse releases give the above error with older .net Framework: everything went fine until a driver installed .net 4.0, and from that point Eclipse editor gave the unhandled event loop exception.

Answer 3

I have a nvidia GPU, and if nView is enabled it happens all the time. Try to disable it.

It seems that eclipse is not very compatible with softwares that override system window management on multi screen.

Hint how to disable nView: http://nviewdesktopmanager.blogspot.com/2011/08/how-to-disable-nview-desktop-manager.html

Answer 4

If you use DisplayFusion:

1. Open Display Fusion settings page
2. Click compatibility tab
3. Add Eclipse or STS.exe application
4. Check "Disable TitleBar Buttons (this application only), "Disable Application Hooks (this application only)", and "Use Process file icon on DisplayFusion taskbar, not window icon"

Reference: Display Fusion FIX

Answer 5

For me this error was happening on a fresh Eclipse Luna SR2 (4.4.2) install and when trying to add a Mercurial repository, I resolved after downgrading from Java 8 to Java 7.

Answer 6

I had the same problem, turned out that TeamViewer was causing this.

In your TeamViewer go to:

Extras → Options → Advanced → QuickConnect button, configure it and disable the show QuickConnect button.