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From Niall Pemberton <>
Subject Re: [VALIDATOR] Proposal for a JSR-303 Bean Validation Implementation
Date Sat, 05 Sep 2009 17:47:44 GMT
On Fri, Sep 4, 2009 at 3:37 PM, Donald Woods <> wrote:
> Everyone, I think it is time again to reopen the discussions around creating
> a Validator2 release [1], which implements the upcoming JSR-303 Bean
> Validation spec [2] and [3].  Since JSR-303 is now a required component of
> Java EE 6 application servers and must be supported by JSR-314 JSF2 and
> JSR-317 JPA2, there is growing interest in the Apache Geronimo, Apache
> OpenJPA, Apache MyFaces and Apache OpenEJB projects to grow and maintain a
> JSR-303 implementation at Apache.
> First, to meet this goal, I would like us to consider the following options:
> I. - Commons Sandbox
> Utilize the existing validator2 sandbox area [4] to collaborate on a JSR-303
> implementation which would eventually become commons-validator-2.0.
> Pros:  Existing Apache committers can be given access to the sandbox and
> work with the Commons community to become committers.
> Cons:  Non-committers must provide patches and build karma, even before the
> project is moved out of the sandbox (we have interest from two companies to
> help, but most of their potential contributors are not Apache committers.)
> II. - Apache Incubator
> Submit an incubator proposal to create a JSR-303 focused project, which
> would be sponsored by the Commons PMC and/or Geronimo PMC with the goal
> being that the candidate proposal would become a sub-project of Commons as
> the new Validator R2 code base.
> Pros:  Allows us to seed the initial project with non-committers and
> demonstrate there is broad support for this project.
> Cons:  Additional incubator proposal and graduation overhead, along with not
> working closely with the whole Commons community on developing the new code
> base.

I don't really have an opinion on this - the people who are going to
do the actual work should decide.

> Secondly, we have two existing JSR-303 implementations that we could
> possibly use to help bootstrap this effort:

Can you be a bit more specific on what you think the scope for Commons
Validator 2 should be? Does it need to be a JSR-303 implementation
(esp. if the JBoss RI is Apache Licensed) or something built on top of
JSR-303. I'm not trying to be antagonistic, but if the main motivation
is so that Geronimo has a fulling compliant EE 6 release why not just
take the JSR 303 RI?


> I. - Agimatec-Validation project on Google Code
> Code uses ASL 2.0 and I have approached one of the Agimatec GmbH employees
> about possibly donating the existing code to Apache.
> II. - JSR-303 RI
> Code being developed by Red Hat as the RI using ASL 2.0.  Kevin Sutter from
> the OpenJPA team has approached Emmanuel at Red Hat on this subject, but it
> is doubtful we would see a code donation, but could pull it in as
> third-party code to get started.
> Please let me know your thoughts, as we would like to get this bootstrapped
> this month, as the Geronimo community is starting to put together our plans
> for a Geronimo 3.0 release in 2010 for a Java EE 6 application server.
> -Donald Woods
> Apache Geronimo Committer and PMC member
> Apache OpenJPA Committer and PMC member
> [1]
> [2]
> [3]
> [4]
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