Testsuite name: swing-reg
JDK/JRE tested: jdk-7-ea-bin-b105-windows-i586-06_aug_2010.exe
OS/architecture: x86,x64
Reproducible: Always
Reproducible on machine: winxp
Is it a platform specific regression: N
Is it a Regression: N
Test run log location: http://jsqalab.sfbay.sun.com/results/Evergreen/7/1.7.0b105/swing/winxp-i586-windows/results/workdir/javax/swing/
Steps to reproduce:
case#: javax/swing/JFileChooser/EnterEmptyDirectory/EnterEmptyDirectory.html
       javax/swing/JSlider/6244952/bug6244952.java
       javax/swing/JTextField/5027332/bug5027332.java

instruction:

Compilation failed.

Exception:
package com.sun.java.swing.plaf.gtk does not exist
                if (!(current instanceof com.sun.java.swing.plaf.gtk.GTKLookAndFeel)) {
                                                                    ^
1 error
result: Failed. Compilation failed

verify:

same config use jdk7b104 & jdk1.6.0_21b07: same issue
winvista,windows-xp-x64 same config : same issue

but they are working well on non-windows platforms.