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Java Forum / Databases / October 2004

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Getting UTF-8 strings from MySQL

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Jonck - 16 Oct 2004 18:24 GMT
Hi everybody,
I'm having problems retrieving strings from MySQL in UTF-8. I know (or
at least I'm pretty sure) that the strings are being written to the
database correctly, because when I use the mysql command-line utility
and do a SELECT I see the correct strings there.
However, when I retrieve the strings they are not formatted correctly.
For example, if I write the string "Knäckebröt" to the database and then
try to retrieve it, it comes out as "Kn�ckebröt".

I read the Connector/J manual, where it tells me to do the following to
write and read UTF-8 strings to and from MySQL:
When opening a connection with MySQL I should use the following code:
Properties props = new Properties();
props.setProperty("characterEncoding", "utf-8");
conn = DriverManager.getConnection(connectionString, props);

However, when I now try to read a string from a resultset, for example (
where results is a JDBC ResultSet):
String messageText = results.getString("messageText");

the text comes out garbled.

Does anybody have any suggestions for me to be able to retrieve the text
with the correct encoding?

Thanks very much, Jonck
Patrik Jacoby - 19 Oct 2004 09:51 GMT
Hi,
just a hint:

is your test environment (e.g. shell) able to display utf-8 characters ?
the windows cmd.exe is not, in a browser you have to set the encoding
correctly.

  Hope that helps,
     Patrik

> Hi everybody,
> I'm having problems retrieving strings from MySQL in UTF-8. I know (or
[quoted text clipped - 22 lines]
>
> Thanks very much, Jonck
Yan Lijun - 20 Oct 2004 10:54 GMT
try this
jdbc:mysql://localhost:3306/edusuite?useUnicode=true&characterEncoding=UTF-8

ÔÚ Sat, 16 Oct 2004 17:24:10 GMT ʱ, Jonck <jonck@vanderkogel.net> дÁË:
--

>Hi everybody,
>I'm having problems retrieving strings from MySQL in UTF-8. I know (or
[quoted text clipped - 22 lines]
>
>Thanks very much, Jonck

gumpagain@163.com
/**
/* Java Is Not Platform-independent.It Is The Platform!
*/
Jonck - 25 Oct 2004 13:44 GMT
> try this
> jdbc:mysql://localhost:3306/edusuite?useUnicode=true&amp;
> characterEncoding=UTF-8

Thank you very much, that worked perfectly!


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