Hi Wojciech,
For extensibility, I can just say 1 word: total. I've not seen
anything as extensible as this.
that frightens me a bit, I've seen stuff very extensible and very
useless because totally complicated to do simple stuff and changes.
Don't shoot! I don't say ofBiz is like that ;) I just say what I'm
afraid of, that all the configuration will kill development (as did
e.g. a load of descriptors kill EJB (pre 3.0)),
The entity framework in OFBiz is not like EJB. And it's not the sheer number of descriptors that
killed EJB. One of the reasons I'm on to OFBiz now is mainly because it's a nice change from EJB.
I believe some veterans here may point you to old discussions about how OFBiz compares with EJB.
EJB's performance is horrible.
Jonathon