#4621 UnexpectedRollbackException with 4.6.6 server and agent

[eliasbalasis]

using

hyperic 4.6.6 server on CentOS OS

OpenJDK Runtime Environment (IcedTea6 1.11.1) (rhel-1.45.1.11.1.el6-x86_64)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)

and

4.6.6 agent on CentOS OS

OpenJDK Runtime Environment (rhel-2.3.4.1.el6_3-x86_64)
OpenJDK 64-Bit Server VM (build 23.2-b09, mixed mode)

when trying to "Add to Inventory" from dashboard

I am getting following error

Unable to import platform : org.springframework.transaction.UnexpectedRollbackException: Transaction rolled back because it has been marked as rollback-only

please assist

[eliasbalasis]

tried with 5.0.0
problem disappeared