Hi,

The 4.0 version is not recommended (supported) anymore. Among other things, the hibernate version we use causes a deadlock, and character sets are not supported.
I think this was specified somewhere on the wiki...
However, the update should not be a problem. Please try to update using a newer version of mysql, and tell us if it works, so that we can update the installation instructions to emphasize this issue.

Sergiu Dumitriu, developer.

On 2/1/07, teh stu <stukas14@gmx.net> wrote:
OK, thanks!

Is there a chance that a developer will respond on this list?
Or.. maybe you are, I don't know.. :)

But it seems to me nobody knows how to do this properly.
Do you know who might know?

Thanks,
- Lukas


Fabian Gorsler wrote:
> Hi Lukas,
>
> On Do, 2007-02-01 at 15:18 +0100, teh stu wrote:
>> I'm using MySQL 4.0.22 on Windows.
>
> it seems you're usign InnoDB tables which handle references correctly.
> But I don't know much about MySQL. In fact the only thing I know about
> MySQL which is interesting in this situation, that only InnoDB serves
> referential integrity.
>
>> Do you think it could help to try the new XWiki on a MySQL 5 server ?
>
> AFAIK the update works with MySQL 5, but I'm not sure. Until yesterday I
> did read much mails on this list.
>
>> I didn't quite follow you about the referential integrity problems in
>> dumps. Is it something than can perhaps be fixed manually or with a script?
>
> While the database layout from 0.9.840 is updated to the new layout of
> 1.0b3 there seem to be some data sets which are referenced in other
> tables and because of that the new layout can't be applied.
>
> Perhaps it is possible to do the update when those data sets are
> deleted, but I don't know whether these data sets are only of temporary
> interest (session stuff, locks, ...) or if they are needed permanently.
> If they are needed, deleting them would be harmful.
>
> Best regards,
> Fabian.
>
>
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