FULL PRODUCT VERSION :
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode, sharing)


ADDITIONAL OS VERSION INFORMATION :
Linux honolulu.ilog.fr 2.4.21-0.13mdk #1 Fri Mar 14 15:08:06 EST 2003 i686 unknown


A DESCRIPTION OF THE PROBLEM :
The decoder for Cp964 fails to throw a MalformedInputException for
many single-byte input buffers.


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
javac niobug2.java
java niobug2


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No output.

ACTUAL -
0x8E 0x
0xA1 0x
0xA2 0xFF0C
0xA3 0x
0xA4 0x2581
0xA5 0x
0xA6 0x03A0
0xA7 0x
0xA8 0x4EA0
0xA9 0x
0xAA 0x9EA5
0xAB 0x
0xAD 0x
0xAF 0x
0xB1 0x
0xB3 0x
0xB5 0x
0xB7 0x
0xB9 0x
0xBB 0x
0xBD 0x
0xBF 0x
0xC1 0x
0xC3 0x
0xC5 0x
0xC6 0x6587
0xC7 0x
0xC8 0x5216
0xC9 0x
0xCA 0x5429
0xCB 0x
0xCC 0x8D70
0xCD 0x
0xCE 0x602B
0xCF 0x
0xD0 0x8868
0xD1 0x
0xD2 0x662F
0xD3 0x
0xD4 0x8A02
0xD5 0x
0xD6 0x634E
0xD7 0x
0xD8 0x803D
0xD9 0x
0xDA 0x57F7
0xDB 0x
0xDC 0x6DF5
0xDD 0x
0xDE 0x901E
0xDF 0x
0xE0 0x6691
0xE1 0x
0xE2 0x840A
0xE3 0x
0xE4 0x5ABD
0xE5 0x
0xE6 0x7B77
0xE7 0x
0xE8 0x98FE
0xE9 0x
0xEA 0x7591
0xEB 0x
0xEC 0x98AF
0xED 0x
0xEE 0x761F
0xEF 0x
0xF0 0x981C
0xF1 0x
0xF2 0x7FB2
0xF3 0x
0xF4 0x6AA2
0xF5 0x
0xF6 0x935B
0xF7 0x
0xF8 0x9AC1
0xF9 0x
0xFA 0x7662
0xFB 0x
0xFC 0x9451
0xFD 0x


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.io.*;
import java.nio.*;
import java.nio.charset.*;

public class niobug2 {
  static String toHexString1 (int i) {
    return new String(new char[] { "0123456789ABCDEF".charAt(i) });
  }
  static String toHexString2 (int i) {
    return toHexString1((i>>4)&0x0f)
           +toHexString1(i&0x0f);
  }
  static String toHexString4 (int i) {
    return toHexString1((i>>12)&0x0f)
           +toHexString1((i>>8)&0x0f)
           +toHexString1((i>>4)&0x0f)
           +toHexString1(i&0x0f);
  }
  public static void main (String[] args) throws CharacterCodingException {
    String encoding = "Cp964";
    Charset charset = Charset.forName(encoding);
    CharsetDecoder converter = charset.newDecoder();
    converter = converter.onMalformedInput(CodingErrorAction.REPORT);
    converter = converter.onUnmappableCharacter(CodingErrorAction.REPORT);
    for (int b = 0x80; b < 0x100; b++)
      if (!((b >= 0x80 && b <= 0x8d) || (b >= 0x90 && b <= 0x9f))) {
        ByteBuffer in = ByteBuffer.wrap(new byte[] { (byte)b });
        try {
          CharBuffer out = converter.decode(in);
          System.out.print("0x"+toHexString2(b)+" 0x");
          for (int j = 0; j < out.length(); j++) {
            if (j > 0)
              System.out.print(" 0x");
            System.out.print(toHexString4(out.charAt(j)));
          }
          System.out.println();
        } catch (CharacterCodingException e) {
        }
      }
  }
}

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