javax.jdo.JDOUserException

こんなエラーが出た場合。
javax.jdo.JDOUserException: Persistent class "Class hogehage does not seem to have been enhanced. You may want to rerun the enhancer and check for errors in the output." has no table in the database, but the operation requires it. Please check the specification of the MetaData for this class.


Eclipseでプロジェクトのクリーンをすると解決。