[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-4156) c3p0 is not used when only specific hibernate.c3p0.* properties

[Steve Cohen (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=40183#action_40183 ] 

Steve Cohen commented on HHH-4156:
----------------------------------

Not to beat a dead horse, but now that I understand the problem, I like the way this was working before the bug fix.  This business of Hibernate inferring that I want to use c3p0 by the presence of one or more c3p0 tuning parameters is kind of dodgy IMHO.  I would rather that the user was forced to declare this intention explicitly.  However, I understand that this broke too much of the installed base, including me, when I upgraded to a less than most-recent version that worked this way.

Still this guessing that Hibernate does here strikes me as ugly, and I will from here on specify by defining the "hibernate.connection.provider_class" property whether it's required or not.


> c3p0 is not used when only specific hibernate.c3p0.* properties
> ---------------------------------------------------------------
>
>                 Key: HHH-4156
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4156
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.5.3
>            Reporter: Marcelo Romulo Fernandes
>            Assignee: Strong Liu
>            Priority: Minor
>             Fix For: 3.5.4, 3.6.0.Beta1
>
>
> in hibernate document, it says:
> {quote}
> C3P0 is an open source JDBC connection pool distributed along with Hibernate in the lib directory. Hibernate will use its org.hibernate.connection.C3P0ConnectionProvider for connection pooling if you set hibernate.c3p0.* properties.
> {quote}
> but this is not working anymore, if you not explicitly add this property:
> <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>

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