database bonita

How to Configure BonitaBPM Platform for BonitaBPMCommunity Tomcat Bundle

I have tried simple process variable example given at link using BonitaBPMCommunity-7.3.1-Tomcat-7.0.67. Its working well in bonita studio and with default h2 database configuration with tomcat bundle. But when i configure tomcat bundle with PostgreSQL database its not working well with Bonita ui forms but working well with process containing 6.x forms.

Bonita engine API: How can I disable cleanup the database on restarting the server?


I'm using the Engine api, as in the example in github " embeded engine example ". but i discover that it cleanup all my processes after all server restart.