To manipulate a business exception was created a specific CustomJtaFactory to use a ContainerManagedTransactionManager. But when use this solution, Quartz doesn't work anymore

Our problem is that when an exception is thrown in jBPM, we are not able to retrieve the root cause and the user gets a "Technical error". The  solution was founded: create a specific CustomJtaFactory to use a ContainerManagedTransactionManager. But when I use this solution, Quartz doesn't work anymore and the task notifications are lost