The error I get when trying generating Entities from Tables on a JPA project on Package Explorer perspective and also on Hibernate Perspective when trying to see the tables for the db config is:

eclipse.buildId=4.6.3.M20170301-0400
java.version=1.8.0_131
java.vendor=Oracle Corporation
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.jee.product

org.hibernate.eclipse.console
Error
Sat May 27 13:51:50 UYT 2017
Problems while reading database schema

This is a JPA project just to reveng tables, usign JPA 2.1 whith Hibernate 5.2.10.Final
When I change jaybird dependency from jaybird-full-3.0.0.jar to jaybird-full-2.2.13.jar they both work.
I can send db example i you need it.

Regards