Re: Problems after upgrading from 7.4.6 driver to 8.0.2
От | Mark Lewis |
---|---|
Тема | Re: Problems after upgrading from 7.4.6 driver to 8.0.2 |
Дата | |
Msg-id | 1114473637.923.75.camel@amateljan.mirlogic.com обсуждение исходный текст |
Ответ на | Problems after upgrading from 7.4.6 driver to 8.0.2 driver (Mark Lewis <mark.lewis@mir3.com>) |
Список | pgsql-jdbc |
Sorry for the noise, just after posting I finally tracked it down to a problem in the application. In one code path a prepared statement was being double-closed, which apparently triggers a bug in the version of DBCP being used. I'm still not sure why it only started misbehaving after upgrading the JDBC driver. -- Mark On Mon, 2005-04-25 at 16:38, Mark Lewis wrote: > After upgrading from pg74.215.jdbc3.jar to postgresql-8.0-310.jdbc3.jar, > I've encountered problems getting a "This statement has been closed" > exception when using a PreparedStatement. > > The application is using Jakarta's DBCP 1 connection pooling with > prepared statement caching, and is configured to execute "select 1" each > time a connection is checked out from the pool to ensure that the > connection is still alive, so I'm pretty sure the server connection is > still good. > > Are there any known gotchas migrating to the new server prepared > statement implementation? Something that could be causing statements to > close when they otherwise would not be? > > Thanks, > Mark Lewis > > Thanks, > Mark Lewis > > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster
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