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From "Sunitha Kambhampati (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-900) Remove use of String(byte[]) and String(byte[], int, int) constructors in network client leading to non-portable behaviour
Date Wed, 12 Apr 2006 02:16:20 GMT
     [ http://issues.apache.org/jira/browse/DERBY-900?page=all ]

Sunitha Kambhampati updated DERBY-900:

    Attachment: for_10.1_derby900.diff.p1.txt

I am attaching the patch for 10.1 codeline-  ' for_10.1_derby900.diff.p1.txt' and 'for_10.1_derby900.stat.p1.txt.'

The code changes are the same as in the derby900.diff.p1.txt.  
Thus, the fix 
-- uses UTF8 encoding in bytes2String.

But for the 10.1 codeline since derbyTesting.encoding property is not there, I am attaching
a standalone repro 'TestEnc.java' for testing.

OUTPUT for 10.1 
$ java -cp "C:/workghm/svnclient/ks10.1/classes;." -Dfile.encoding=UTF-16 -Dconsole.encoding=Cp1252
Initializing connection type: derbynetclient
driver: org.apache.derby.jdbc.ClientDriver
url: jdbc:derby://localhost:1527/wombatderbynetclient;create=true;traceFile=derbynetclient.trace
Obtaining the connection
Database: Apache Derby
   T E S T   P A S S E D
 g o t   S Q L S t a t e   4 2 Y 0 7
 e = S c h e m a   ' T E S T S C H E M A 1 '   d o e s   n o t   e x i s t

Ran derbynetclientmats with patch on linux/ibm142. Apart from the known failures, the test
lang/ConcurrentImplicitCreateSchema failed with the timeout exception (Note - this test was
fixed for the timeout issue on trunk). This failure is not related to this patch.

Can someone please review/commit this patch.  Thanks.

> Remove use of String(byte[]) and String(byte[], int, int) constructors in network client
leading to non-portable behaviour
> --------------------------------------------------------------------------------------------------------------------------
>          Key: DERBY-900
>          URL: http://issues.apache.org/jira/browse/DERBY-900
>      Project: Derby
>         Type: Bug

>   Components: Network Client
>     Reporter: Daniel John Debrunner
>      Fix For:
>  Attachments: TestEnc.java, derby900.diff.p1.txt, derby900.stat.p1.txt, for_10.1_derby900.diff.p1.txt,
> These constructors use the Java default platform encoding to convert the bytes to a String,
this typically leads to bugs on platforms with different encodings.
> Replace with code using fixed conversion, or alternative mechanisms. 
> If the call is required its use should be commented as to why it is required.
> org.apache.derby.client.am.ClobOutputStream - some existing bug?
> org.apache.derby.client.am.DateTime - see DERBY-877
> org.apache.derby.client.am.sqlca
> I generated this list using the Java search in eclipse for references to the constructors
> String(byte[])
> String(byte[],int,int)

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