I found these in the log file: 2006-08-08 11:14:02,518 ERROR [org.hibernate.tool.hbm2ddl.SchemaExport] Unsuccessful: create table JBP_INSTANCE_PER_USER (PK bigint not null auto_increment, INSTANCE_PK bigint, SER_STATE longblob, USER_ID varchar(255) not null, PORTLET_REF varchar(255) not null, primary key (PK), unique (USER_ID, PORTLET_REF)) 2006-08-08 11:14:02,518 ERROR [org.hibernate.tool.hbm2ddl.SchemaExport] Specified key was too long; max key length is 1024 bytes View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3963858#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...