J2SE Version (please include all output from java -version flag):
 1.6.0-b59


Does this problem occur on J2SE 1.4.x or 5.0.x ? Yes / No (pick one)
 No.


Operating System Configuration Information (be specific):
 Windows XP Service Pack 2
 Hibernation enabled
 Virtual memory enabled


Bug Description:
  java.io.File reports a length of 0 for the special
 Windows files C:\hiberfil.sys and C:\pagefile.sys




Steps to Reproduce (be specific):
  Create java.io.File instances for the hibernation file
  "C:\hiberfil.sys" and the paging file "C:\pagefile.sys".
  Check the file length using File#length().

Here's source code to reproduce the problem:

public class FileBug {

     public static void main(String[] args) {
         java.io.File hiberfil = new java.io.File("C:\\hiberfil.sys");
         java.io.File pageFile = new java.io.File("C:\\pagefile.sys");

         System.out.println("hiberfil.sys length=" + hiberfil.length());
         System.out.println("pagefile.sys length=" + pageFile.length());
     }

}