When using the criterias and many-to-many association, if you make a new "Sub Criteria", hibernate removes the outer join "" from the where statement:
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A<B>C

A and C have a many-to-many relationscip trought B.

If i write:
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Criteria criteria = session.createCriteria(A.class);
criteria.setFetchMode("B", FetchMode.EAGER);
List list = criteria.list();
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I get in the query where statement the follow:
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... where A.ID_A = B.ID_A and B.ID_C = C.ID_C
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This work good, but if i make a subCriteria:
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Criteria criteria = session.createCriteria(A.class);
criteria.setFetchMode("B", FetchMode.EAGER);

Criteria criteriaB = criteria.createCriteria("B");

List list = criteria.list();
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In the query i get:
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... where A.ID_A = B.ID_A and B.ID_C = C.ID_C
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I've added the "outer-join=true" setting in both "config" and mapping files.