[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-84?page=com... ] Davide Angelocola commented on HHH-84: -------------------------------------- Hi, I'm using hibernate 3.2.5 and hsqldb 1.8.0.7. ConstraintViolationException is not throwned for id of type java.lang.String. Hsqldb however report this the constraints violation as showed by this simple testcase: create table "PUBLIC".test ( id VARCHAR not null, primary key (id) ) INSERT INTO TEST VALUES('a') INSERT INTO TEST VALUES('a') Error code -104, SQL state 23000: Violation of unique constraint $$: duplicate value(s) for column(s) $$: SYS_PK_48 Hope it helps. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira