My Java Notebook

My BIRT report viewer which is deployed on a Tomcat server used to work without any problem. Lately I have been getting the following error:
Exception
version mismatch
and "show exception stack trace" link.

When I clicked on the link "show exception stack trace" I got an empty stack trace. This was strange because nothing was changed on the server which runs the database or the BIRT report viewer. The only thing that did changed was my operating system. I upgraded my Ubuntu Linux to Ubuntu Hardy Heron 8.04 LTS which comes with Firefox 3 beta. It appears that the BIRT report viewer version mismatch problem is somehow related to Firefox 3. This version mismatch problem does not exists when using a different browser.

BIRT is an open source Eclipse-based Java reporting system.

This problem has been fixed in BIRT 2.3

Eclipse BIRT report viewer can be deployed on a J2EE Server

In order to use a JDBC driver in the BIRT viewer, the driver jar file needs to be in the viewer drivers directory. On BIRT 2.2.2 it is:
/WEB-INF/platform/plugins/org.eclipse.birt.report.data.oda.jdbc_2.2.2.r22x_v20071206/drivers
On BIRT 2.3 it is:
/WEB-INF/platform/plugins/org.eclipse.birt.report.data.oda.jdbc_2.3.0.v20080610/drivers


If you are using Firefox 3 you might have noticed the Version Mismatch error. In this case you will need to use a different browser or to upgrade your BIRT version to 2.3