This happens on Beta4 Build K.

When policytool is invoked, it gives a warning that there is no user defined
policy file. When OK is selected, then it throws the following exception.
After that the tool works as expected.

This does not happen on NT or Solaris.

Exception in thread "main" java.lang.IllegalMonitorStateException: current thre
d not owner
        
at sun.awt.windows.WDialogPeer._show(Native Method)
                
at sun.awt.windows.WDialogPeer.show(WDialogPeer.java:55)
                        
at java.awt.Dialog.show(Dialog.java:285)
                                
at java.awt.Component.show(Compiled Code)
                                        
at java.awt.Component.setVisible(Compiled Code)
                                                
at sun.security.tools.ToolWindow.displayErrorDialog(PolicyTool.java:928
                                                        
at sun.security.tools.ToolWindow.initWindow(Compiled Code)
                                                                
at sun.security.tools.ToolWindow.displayToolWindow(PolicyTool.java:895)
                                                                        
at sun.security.tools.PolicyTool.main(PolicyTool.java:493)