Hello!
Imagine you firstly installed PI 7.3 with ICo and wondered how it's pretty simple to configure integrations.
Moreover, you were using the same ideas and toolset as it was introduced to XI 2.0:
3D-addressing (party|system|iface)
SPROXY a...
https://help.sap.com/docs/CLOUD_INTEGRATION/368c481cd6954bdfa5d0435479fd4eaf/5638d4a57a7a45e8aac90b95cc3f8521.html?locale=en-US - Adapter development process with Maven.I suggest you do not use Hibernate in CPI as it is no general-purpose JVM backen...
In CPI a lot of dependencies are using OSGi classloader. I'm quite sceptical about the idea to use Hibernate there. What is the whole task? Did you try use ESA (adapters) for sharing some code between IFLOW and CPI?