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From "Jay D. McHugh" <>
Subject Re: Hibernate migration strategy Was: [PROPOSAL][VOTE] OpenMeetings
Date Thu, 19 Nov 2009 16:47:28 GMT
Hello Alexei,

If you are using Hibernate now - then it should not be too much trouble
to switch to use OpenJPA (unless you are using some of Hibernate's
enhancements to the JPA spec).

At least that would be my understanding.  I have used OpenJPA and love
it but have never used Hibernate.


Alexei Fedotov wrote:
> Hello,
> As for migrating from Hibernate, I see several alternatives for persistence.
> Enterprise Java experts, please, could you comment on this?
> 1. suggested using Spring as a persistence technology. My
> friend said that it requires coding, but you get manageable, clear and
> transparent application. We already use Spring as a dependency.
> 2. Using JPA from Java 6 JPA allows using less libraries and being more
> compatible with Google App Engine. The latter may help general users to host
> the web application.
> 3. Does OpenJPA suggested by Niclas offer any benefits compared to JPA?
> Synergy is good, but there may be other benefits I cannot see. Sorry for my
> ignorance.
> Thanks.
> P.S. Ross, it would be really nice to get you as a mentor.
> On Wed, Nov 18, 2009 at 6:56 PM, Ross Gardler <> wrote:
>> 2009/11/18 Sebastian Wagner <>:
>>> we would like to propose Openmeetings project to join the incubator.
>>> Full Proposal:
>> Calling a vote is premature. Therefore my vote is -1.
>> Your proposal does not yet have a confirmed champion and you don't
>> have sufficient mentors yet.
>> I'm still toying with the idea of mentoring, but I'm still unclear
>> with respect to the legal situation. I've not seen a clear consensus
>> that it will ever be possible to produce a cleanly licensed
>> application that does not require the use of LGPL/GPL code.
>> Ross
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