[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HHH-3799) PersistentSet does not honor hashcode/equals contract when loaded eagerly
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https://hibernate.onjira.com/browse/HHH-3799?page=com.atlassian.jira.plug...
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Nate Clark edited comment on HHH-3799 at 2/24/12 11:02 AM:
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As a final comment on the hashCode/equals contract before we relegate this topic to the
forums, I think it's appropriate to reference this very relevant article by Odersky,
Spoon and Venners:
[http://www.artima.com/lejava/articles/equality.html]
and note the relevance of Pitfalls #2 and #3.
was (Author: nate.clark):
As a final comment on the hashCode/equals contracts before we relegate it to the
forums, I think it's appropriate to reference this very relevant article by Odersky,
Spoon and Venners:
[http://www.artima.com/lejava/articles/equality.html]
and note the relevance of Pitfalls #2 and #3.
PersistentSet does not honor hashcode/equals contract when loaded
eagerly
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Key: HHH-3799
URL: https://hibernate.onjira.com/browse/HHH-3799
Project: Hibernate ORM
Issue Type: Bug
Components: core
Affects Versions: 3.3.1, 3.5.1
Reporter: Igor Vaynberg
Assignee: Gail Badner
Attachments: test.zip
when persistent set is loaded eagerly in some situations it calls hashcode on its items
before their field values are populated and then uses this incorrect hashcode to store
them in the set. this makes set items inaccessible by any collection items that rely on
hashcode such as contains(), remove(), etc.
attached is a simple maven test project that reproduces the error, unzip and mvn test to
run the test.
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