PDI doesn't start using Ubuntu 13.04

Hi, I'm using PDI 4.4.0.
I just update my OS to Ubuntu 13.04, and now PDI doesn't start

After Repository Login, the window crash. Running from command line I get this:

INFO 20-05 15:29:54,256 - RepositoriesMeta - Reading repositories XML file: /home/gcotton/.kettle/repositories.xml
The program 'SWT' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadDrawable (invalid Pixmap or Window parameter)'.
(Details: serial 18171 error_code 9 request_code 62 minor_code 0)
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the --sync command line
option to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)

I'm using Oracle 7 JDK

Thanks in advance for any help