Re: BUG #3544: SQLException from JDBC driver

On Thu, 16 Aug 2007, Scott Harper wrote:

> The following bug has been logged online:
>
> Bug reference:      3544
> PostgreSQL version: 8.1.9
> Operating system:   Debian Linux (2.6.18-4-486)
> Description:        SQLException from JDBC driver
> Details:
>
> I have installed PostgreSQL 8.1 via the Debian package manager (APT) --
> installed the package postgresql-8.1.
>
> We are running Sun Java 5, Apache 2, and Tomcat 5.5.
>
>> From the discussion at http://jdbc.postgresql.org/download.html, I have
> determined that I should be using the 8.1-410 JDBC 3 driver.
>
> I downloaded the driver, and it is bundled into my servlet's war file in
> WEB-INF/lib.
>
> When the servlet makes the DriverManager.getConnection() call, the following
> exception is thrown:
>
> org.postgresql.util.PSQLException: Something unusual has occured to cause
> the driver to fail. Please report this exception.
>

This exception is most likely caused by a permission denied error because
you are running the tomcat server with a security policy.  The driver
should be placed in $CATALINA_HOME/common/lib instead of a war file.

Kris Jurka