Yokubee的专栏

public class Parent{ private int id; private String name; private List children=new ArrayList(); //....setter && getter } public class Child{ private int id; private String name; //....setter && getter } fetch设置为lazy，查询Parent对象的时候，默

org.hibernate.QueryException: query specified join fetching, but the owner of the fetched association was not present in the select list报这个异常是因为查询时返回的对象不包含有该join fetch后面的对象，因此可以将fetch删除就可以啦。这里的fetch就是将fetch后面的对象setter到查询返回的对象中。因此当不存在包含时，就会该报错！//这里Student和T