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I have a 1-many relationship between class A and class B, represented by a foreign key relation between two tables in the database. and I want hibernate to eagerly load the collection of Bs so that it can be traversed outside a session.

So I specify lazy="false" on both the one-to-many and many-to-one mapping entry.

B.hbm :
<many-to-one cascade="all" fetch="join" lazy="false"
class="A" name="...">
<column name="adgroup_id"/>
</many-to-one>

A.hbm
<list cascade="all" inverse="true" name="..." lazy="false" fetch="join">
<key column="adgroup_id" />
<one-to-many class="B" />
</list>


I notice that the sql executed by hibernate indeed returns the expected number of rows, but when I call

A.getBs(), I get too many elements. Indeed, since my ids in the database are auto-assigned, it seems to return n+1 elements where n is the currently highest id in the table of Bs.

What is going on here ?

I am using the Spring hibernate template btw, calling template.get(class,id) to return the A