unexpected exception occurs in InputStreamReader.

REPRODUCE :
 1) Compile the attached test program.
 2) Launch "java TEST1 TEST1.xml"
   You will see the message as follows.

C:\users\issues\unicode\TEST1>java -showversion TEST1 TEST1.xml
java version "1.5.0_04"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_04-b05)
Java HotSpot(TM) Client VM (build 1.5.0_04-b05, mixed mode)

Exception in thread "main" java.lang.InternalError: Converter malfunction (Unico
deBig) -- please submit a bug report via http://java.sun.com/cgi-bin/bugreport.c
gi
        at sun.nio.cs.StreamDecoder$ConverterSD.malfunction(StreamDecoder.java:2
36)
        at sun.nio.cs.StreamDecoder$ConverterSD.convertInto(StreamDecoder.java:2
52)
        at sun.nio.cs.StreamDecoder$ConverterSD.implRead(StreamDecoder.java:298)

        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:183)
        at sun.nio.cs.StreamDecoder.read0(StreamDecoder.java:132)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:118)
        at java.io.InputStreamReader.read(InputStreamReader.java:151)
        at TEST1.main(TEST1.java:22)

CONFIGURSATION :
  JRE/JDK : 1.4.2/5.0u4
  OS : WindowsXP(SP1,Japanese)
  

###@###.### 2005-06-29 16:14:55 GMT