Hello,

I'm using Jbpm 3.0.0 and Tomcat 4.1.27 for a purchasing order workflow 
application which has 7 process definitions (workflows), using PostgreSQL 8.0. 
The process definitions have 5-8 steps, forks, joins and decisions.
I have dozens of process instances and hundreds of tasks successfully created 
every day, and sometimes I have noticed that some data from the process 
definition tables (jbpm_moduledefinition, jbpm_node or jbpm_transition) 
effectively dissapear ("holes" in some fields of data records), especially when 
then database traffic is high. This disturbs the creation of new tasks and make 
these process instances unusable.

I would like to make the records from those tables "read only" after every 
deployment of a process definition, for the daily database usage, but I don't 
know how.
Do you have any idea which is the cause of this data loss and how to prevent or 
solve it? Thank you for any answer.


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