[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2878) LazyInitializationException - no session or session was closed
[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2878?page=c...
]
Paul Andrews commented on HHH-2878:
-----------------------------------
BTW. A work-around for the attached test case is:
Change:
<set name="threes" lazy="true" table="two">
<key property-ref="value" column="t_o_val_fk" />
<many-to-many column="t_f_id_fk"
class="bug.hibernate.Three"/>
</set>
To:
<set name="threes" lazy="true">
<subselect>
(select distinct o.o_id_pk, f.f_id_pk from
ONE o, TWO t, THREE f
where
t.t_o_val_fk = o.o_val and
t.t_f_id_fk = f.f_id_pk)
</subselect>
<key column="o_id_pk"/>
<many-to-many column="f_id_pk"
class="bug.hibernate.Three"/>
</set>
LazyInitializationException - no session or session was closed
--------------------------------------------------------------
Key: HHH-2878
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2878
Project: Hibernate3
Issue Type: Bug
Affects Versions: 3.2.5
Environment: Hibernate v 3.1.4-3.2.5, Oracle/HSQLDB/Whatever
Reporter: Paul Andrews
Attachments: testcase.zip
A LazyInitializationException is thrown for a lazy set when the items in the set can be
duplicates. This is manifested in a many-to-many implemented using join table; the session
is still open but the session for the collection is set to null.
The attached ZIP contains a test-case that demonstrates this.
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