Hibernate configuration issue with DB2Dialect --------------------------------------------- Key: HHH-6864 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6864 Project: Hibernate Core Issue Type: Improvement Components: core Affects Versions: 3.0 final Environment: Hibernate 3.0, JBoss 4.2.3 and DB2 luw 9.7 Reporter: Ramalingeswara Rao K V Our application is throwing the following error due to some incompatible issues with DB2Dialect. 2011-11-29 11:03:10,638 ERROR java.lang.UnsupportedOperationException: dialect does not support GUIDs at org.hibernate.dialect.Dialect.getSelectGUIDString(Dialect.java:754) at org.hibernate.id.GUIDGenerator.generate(GUIDGenerator.java:50) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:122) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210) at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195) at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93) The issue seems to be related to the following entry in hibernate xml files. <generator class="guid" /> *) We would like to know the common <generator> element which is compatible with ORACLE and DB2, etc. *) We would like to know how to separate the hbm configurations based on database (ORACLE, DB2, MYSQL, etc.). -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira