I am using the GORM/Hibernate feature to map a columns to a custom type. In my custom UserType implementation the method to handle the column value (nullSafeGet) accesses a Grails DataService. However this is proving to be problematic in that after the successful call to this Data service the handling of other columns is failing with a JDBC/Postgresql error that the ResultSet is closed. My suspicion is that the call to this other Data service is causing this side effect and that I should avoid any other database calls in this call-back. However before I look into changing the design I thought it worth reaching out here to see if anyone can confirm my hypothesis and suggest any other workarounds other than avoiding further database access…?