Booksleeve是否适用于Windows Redis（Redis作为Windows服务安装）？(Does Booksleeve work with a windows Redis (Redis installed as a Windows Service)?)

 collection1的类型为Collection 。 而Collection没有collection2字段。 这就是我对这些查询的理由。 
 
 您必须在集合上创建显式连接： 
 
select e from Entity1 e
left join fetch e.collection1 as c1
left join fetch c1.collection2 as c2
 
 请注意，这将生成笛卡尔积，因此可能会返回大量行。 另请注意，只有两个集合中的一个至少是一个集合才有可能。 如果它们都是包，那么Hibernate在执行查询时会抛出异常。 

collection1 is of type Collection. And a Collection doesn't have a collection2 field. That's how I reason about those kind of queries. 
 
You must the create an explicit join over the collection:
 
select e from Entity1 e
left join fetch e.collection1 as c1
left join fetch c1.collection2 as c2
 
Note that this will produce a cartesian product, and thus petentially returns a huge number of rows. Also note that it will only be possible if one of the two collections at least is a set. If they're both bags, Hibernate will throw an exception when executing the query.