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From "Vasily Zakharov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-4196) [classlib][luni] InputStreamReader can't handle UnicodeBig encoding
Date Sun, 17 Jun 2007 03:38:26 GMT
[classlib][luni] InputStreamReader can't handle UnicodeBig encoding
-------------------------------------------------------------------

                 Key: HARMONY-4196
                 URL: https://issues.apache.org/jira/browse/HARMONY-4196
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Vasily Zakharov
            Priority: Minor


Consider the following simple test:

import java.io.*;
public class Test {
    public static void main(String[] args) throws Throwable {
	new InputStreamReader(new ByteArrayInputStream(new byte[] {(byte) 0xFE, (byte) 0xFF}), "UnicodeBig");
        System.out.println("SUCCESS");
    }
}

Output on RI:

SUCCESS

Output on Harmony/IBM VM:

<no output>, I assume the exception below is thrown but not printed out due to some
problem in IBM VM.

Output on Harmony/DRLVM:

Uncaught exception in main:
java.io.UnsupportedEncodingException
        at java.io.InputStreamReader.<init>(InputStreamReader.java:104)
        at Test.main(Test.java:5)

Additional investigation shows that the cause for this exception is:

java.nio.charset.UnsupportedCharsetException: The unsupported charset name is "UnicodeBig".
        at java.nio.charset.Charset.forName(Charset.java:564)
        at java.io.InputStreamReader.<init>(InputStreamReader.java:99)
        at Test.main(Test.java:5)

Interesting point is, the direct call to Charset.forName("UnicodeBig") causes the same exception
on RI also.
So it seems the problem is not in Charset but in InputStreamReader itself.


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