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Programming > Java Databases > Re: Encoding co...
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Re: Encoding conversion problem

by Andrea <tol7481@[EMAIL PROTECTED] > Feb 15, 2008 at 03:26 AM

Hi Lothar,
>> I tried:
>> InputStream source = new
>> ByteArrayInputStream(stringFetchedFromDB.getBytes());
>getBytes() uses the system-encoding for generating the
>byte-array. Why do you generate an InputStream anyway?
I was just a "desperate" attempt... :-)
I tried almost everything...

>What you want to do is
>OutputStreamWriter osw = new OutputStreamWriter(output, "8859_1");
>osw.write(resultset.getString("mycolumn"));
doesn't work...

Hi Silvio,
>Hello Andrea,
>Even if you set a database encoding to ASCII it is very unlikely that
>the DB will strip non-ASCII characters.
> ....
Yes now this is clear to me, thanks!

I was thinking only about the DB encoding while the problem is mainly
in the JVM encoding (now it's clear to me that Java can't handle
characters outside the encoding of the JVM, I wasn't thinking about
it, sorry...).

I've made another test: I've ex****ted the content of the table with
the crypted password and I've found that the password I can't decrypt
back contains characters between 0x80 and 0x9F, which are control
characters in ISO-8859-1 and Java
- reads garbage with DB2 configured with IBM850 and JVM ISO-8859-1
- reads correctly with both DB2 and JVM configured with ISO-8859-1

I understand the first behavior but the last point is strange... Java
(with some "magic" :-) is doing the proper conversion if the db is
iso-8859-1 but I can't understand how... I will test it again and let
you know if I find something.

Thanks again everyone!

Andrea
 




 27 Posts in Topic:
Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-11 04:03:47 
Re: Encoding conversion problem
Lothar Kimmeringer <ne  2008-02-12 08:13:28 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-12 00:25:51 
Re: Encoding conversion problem
Lothar Kimmeringer <ne  2008-02-14 20:11:04 
Re: Encoding conversion problem
Sabine Dinis Blochberger   2008-02-12 09:33:03 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-12 03:22:17 
Re: Encoding conversion problem
Sabine Dinis Blochberger   2008-02-12 13:02:17 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-12 06:33:21 
Re: Encoding conversion problem
Roedy Green <see_websi  2008-02-12 18:07:31 
Re: Encoding conversion problem
Roedy Green <see_websi  2008-02-12 18:10:54 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-13 03:22:16 
Re: Encoding conversion problem
Silvio Bierman <sbierm  2008-02-13 12:36:49 
Re: Encoding conversion problem
Silvio Bierman <sbierm  2008-02-13 12:48:33 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-13 06:22:22 
Re: Encoding conversion problem
Silvio Bierman <sbierm  2008-02-13 16:39:59 
Re: Encoding conversion problem
Roedy Green <see_websi  2008-02-13 16:38:17 
Re: Encoding conversion problem
Roedy Green <see_websi  2008-02-13 16:36:07 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-13 07:28:19 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-14 08:00:45 
Re: Encoding conversion problem
Silvio Bierman <sbierm  2008-02-14 21:44:14 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-15 03:26:40 
Re: Encoding conversion problem
Lew <lew@[EMAIL PROTEC  2008-02-15 08:10:47 
Re: Encoding conversion problem
Sabine Dinis Blochberger   2008-02-15 12:02:46 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-15 06:51:52 
Re: Encoding conversion problem
Lew <lew@[EMAIL PROTEC  2008-02-15 10:00:01 
Re: Encoding conversion problem
Andrea <tol7481@[EMAIL  2008-02-15 09:02:46 
Re: Encoding conversion problem
Silvio Bierman <sbierm  2008-02-15 18:16:01 

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tan12V112 Wed Dec 3 22:35:28 CST 2008.