FULL PRODUCT VERSION :
java 1.7 early access

ADDITIONAL OS VERSION INFORMATION :
Micosoft Windows XP Professional 2002 SP3

A DESCRIPTION OF THE PROBLEM :
I wrote an application in java, that has got a JFileChooser. If i want to open a file  the dialog opens. If I do not have the file in the default directory, I want to change it, but the "Up One Level" button does not work. On the other hand, I can navigate into subdirectories, and after that the button works. Only if I start with level up, it does nothing. It is quite disturbing.

I want to use Java 1.7, because I need some methods from the class BitSet, that are only available from 1.7. But i cannot, if the open file dialog does not work properly.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Open the FileDialog..
Press the "One Level Up" button.
-> nothing happens

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Navigate into the upper directory
ACTUAL -
Nothing happens, it stays in the actual directory, which is wrong.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
JFileChooser chooser = new JFileChooser();
        FileNameExtensionFilter filter = new FileNameExtensionFilter(
                "XML files", "xml");
        chooser.setFileFilter(filter);
        chooser.setCurrentDirectory(new File("xml/"));
        int returnVal = chooser.showOpenDialog(this);
---------- END SOURCE ----------