> On 25 Aug 2016, at 17:41, Steffen Brem <
steff...@gmail.com> wrote:
> 
> Hi,
> 
> I've tried to upgrade an already running Jackrabbit workspace (the default one) from using the DerbyDB PM to a MySQL PM for clustering purposes. When I restart my Tomcat server, the repository is empty. How can I change the persistence manager without data loss?
 never switched PM .. but I guess you will need to export the content to XML and reimport.