derby 也有啊

Exception in thread "main" org.hibernate.InvalidMappingException: Could not parse mapping document from resource kt/com/User.hbm.xml

Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from invalid mapping
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:502)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:566)
... 7 more
Caused by: org.xml.sax.SAXParseException: The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,tuplizer*,(id|composite-id),discriminator?,natural-id?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*,resultset*,(query|sql-query)*)".


//CREATE TABLE user1 (
// id INT NOT NULL PRIMARY KEY,
// name VARCHAR(100) NOT NULL default '',
// age INT
//);