On Linux spacr solaris and windows, with jre1.6.0_b45, (b44 is working fine)

/jdk/1.6.0/promoted/all/b45/binaries/linux-i586/jre/bin/javaws -system -uninstall -silent
 
Exception in thread "main" java.lang.UnsatisfiedLinkError: isDgaAvailable
        at sun.java2d.x11.X11SurfaceData.isDgaAvailable(Native Method)
        at sun.awt.X11.XToolkit.setBackingStoreType(XToolkit.java:1689)
        at sun.awt.X11.XToolkit.<clinit>(XToolkit.java:101)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:164)
        at java.awt.Toolkit$2.run(Toolkit.java:819)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:811)
        at com.sun.javaws.Main.main(Main.java:95)

To reproduce it, you need to remove .java, or execute it twice.