Derby 10 varchar limit is 32672 -------------------------------- Key: HHH-1501 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1501 Project: Hibernate Core Issue Type: Bug Components: core Affects Versions: 3.1.2 Environment: Derby 10 Reporter: Sergey Vladimirov Priority: Trivial Derby 10 varchar limit is 32672. One need to change DB2Dialect and DerbyDialect to create clob columns, if size of text > 32k: registerColumnType(Types.CHAR, 254, "char(1)"); registerColumnType(Types.VARCHAR, 32672, "varchar($l)"); registerColumnType(Types.VARCHAR, Integer.MAX_VALUE, "clob($l)"); (BTW, char limit is 254).