[Pgpool-general] pgpool-II and jdbc

[Christian Nolte]

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Hi Brice!

Brice Lambi schrieb:
> Hello,
> 
> Sorry if this is a duplicate, email alias issues.
> 
> I'm having trouble querying a pgpool-II system I have setup for parallel
> queries with jdbc.  I can make the queries just fine with psql, but when I
> run them as jdbc queries I get the following error:
> 
> org.postgresql.util.PSQLException: An I/O error occured while sending to the
> backend.
>
> <snip>
> 
> I'm using driver version 8.1-410 JDBC 3.  Is there a different version I
> should be using?
>

Which version of pgpool are you using? There have been issues with JDBC
which probably have been fixed in newer versions. See this thread for
details:

http://pgfoundry.org/pipermail/pgpool-general/2007-February/000565.html

AFAIK there are issues when using jdbc-drivers in parallel mode:

http://pgfoundry.org/pipermail/pgpool-general/2007-March/000580.html
http://pgfoundry.org/pipermail/pgpool-general/2007-March/000591.html

All the best!
Christian

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