Technical code structure

Hello All,
I facing some issues on update the module and new generate report. So I want to know
Is the java spring framework used in axelor?
And which type of other Java technologies, report generate technologies used in Axelor project?

Hi,

Everything is open source with Axelor: https://github.com/axelor so you can check some features by yourself.
They seems to use JPA and not Spring.
For the second question, i don’t know.