我正在尝试使用构造函数(来自Ektorp库)扩展以下类:publicclassCouchDbRepositorySupportimplementsGenericRepository{...protectedCouchDbRepositorySupport(Classtype,CouchDbConnectordb){...}这是我的实现:publicclassOrderRepositoryextendsCouchDbRepositorySupport>{publicOrderRepository(CouchDbConnectordb){super(Order.class,db);问题出在