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From "Vladimir Beliaev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4196) [classlib][luni] InputStreamReader can't handle UnicodeBig encoding
Date Wed, 19 Dec 2007 10:24:43 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553287
] 

Vladimir Beliaev commented on HARMONY-4196:
-------------------------------------------

The bug is still reproducible on M4 snapshot:

../harmony-jdk-603534/bin/java -showversion Test
Apache Harmony Launcher : (c) Copyright 1991, 2007 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0" 
pre-alpha : not complete or compatible
svn = r603534, (Dec 13 2007), Windows/ia32/msvc 1310, release build
http://harmony.apache.org
FAIL:
java.io.UnsupportedEncodingException
        at java.io.InputStreamReader.<init>(InputStreamReader.java:104)
        at Test.main(Test.java:6)
Caused by: java.nio.charset.UnsupportedCharsetException: The unsupported charset name is "UnicodeBig".
        at java.nio.charset.Charset.forName(Charset.java:516)
        at java.io.InputStreamReader.<init>(InputStreamReader.java:99)
        ... 1 more

Thanks
Vladimir Beliaev

> [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
>            Assignee: Alexei Zakharov
>            Priority: Minor
>         Attachments: Harmony-4196-InputStreamReader_diagnostics.patch
>
>
> Consider the following simple test:
> import java.io.*;
> public class Test {
>     public static void main(String[] args) {
>         try {
>             new InputStreamReader(new ByteArrayInputStream(new byte[] {(byte) 0xFE, (byte)
0xFF}), "UnicodeBig");
>             System.out.println("SUCCESS");
>         } catch (Throwable e) {
>             System.out.println("FAIL:");
>             e.printStackTrace(System.out);
>         }
>     }
> }
> Output on RI:
> SUCCESS
> Output on Harmony (both DRL VM and IBM VM):
> FAIL:
> java.io.UnsupportedEncodingException
>         at java.io.InputStreamReader.<init>(InputStreamReader.java:104)
>         at Test.main(Test.java:6)
> 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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