Description of problem:
this is a mirror BZ for jira https://issues.jboss.org/browse/JBPM-4125

in general the BZ should provide following scenarios covered for spring:

• jta with shared entity manager factory
• jta with shared entity manager
• local tx with shared entity manager factory
• local tx with shared entity manager

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
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Actual results:

Expected results:

Additional info: