Thank you all for your answers. I supply PostreSQL driver by the same OSGi bundle. And at the time when my bundle gets reinstalled the JDBC driver does so too. Can it be the case?

Hello.I made everything needed that is described in this article: Adobe Experience Manager Help | Querying MySQL data using an Adobe Experience Manager 6.4 DataSourcePoolI can successfuly get data source instance only after component activation. If I do it during the activation I get this error mess...