Java7 can not handle Japanese file name.

FULL PRODUCT VERSION :
java version "1.7.0_04-ea"
Java(TM) SE Runtime Environment (build 1.7.0_04-ea-b227)
Java HotSpot(TM) 64-Bit Server VM (build 23.0-b12, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Mac OS X 10.7.2

A DESCRIPTION OF THE PROBLEM :
java.io.File class of Java7 can't handle a file with Japanese file name.



REGRESSION. Last worked in version 7

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Execute the source code. The first argument is a directory name which contains Japanese file.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Shows list of "true:" and correct file names.
ACTUAL -
Shows list of "false:" and wrong file names.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
package test;

import java.io.File;

public class FileTest {
public static void main(String[] args) {
File[] files = new File(args[0]).listFiles();
for(File file : files) {
System.out.println(file.exists() + ":" + file.getName());
}
}
}

---------- END SOURCE ----------