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Home » Newcomers » Newcomers » JPA validation error in Eclipse Neon JPA persistence.xml(Can't work out file location for <jar-file> entry that will satisfy Eclipse)
icon8.gif  JPA validation error in Eclipse Neon JPA persistence.xml [message #1741203] Tue, 23 August 2016 16:20 Go to next message
Adam Hardy is currently offline Adam HardyFriend
Messages: 5
Registered: July 2009
Junior Member
I've spent a couple of hours experimenting and googling and I can't find a solution and I can't even find an appropriate forum to post a message to.

Eclipse Neon is checking my JPA persistence.xml file in a JPA project and it can't find the required jar file specified in the <jar-file></jar-file> element of the persistence.xml file.

The Dali project doesn't look like the appropriate forum to ask - I don't actually have the Dali plugin installed, and anyway there's been virtually no traffic this year.

What is processing this persistence.xml file and the JPA facet I configured for this project? Where do I ask?

Thanks
Adam
Re: JPA validation error in Eclipse Neon JPA persistence.xml [message #1741211 is a reply to message #1741203] Tue, 23 August 2016 16:47 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3799
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 08/23/2016 10:20 AM, Adam Hardy wrote:
> I've spent a couple of hours experimenting and googling and I can't find
> a solution and I can't even find an appropriate forum to post a message to.
>
> Eclipse Neon is checking my JPA persistence.xml file in a JPA project
> and it can't find the required jar file specified in the
> <jar-file></jar-file> element of the persistence.xml file.
>
> The Dali project doesn't look like the appropriate forum to ask - I
> don't actually have the Dali plugin installed, and anyway there's been
> virtually no traffic this year.
> What is processing this persistence.xml file and the JPA facet I
> configured for this project? Where do I ask?
>
> Thanks
> Adam

Have you tried the Eclipse data tools platform (DTP) forum?
Re: JPA validation error in Eclipse Neon JPA persistence.xml [message #1741221 is a reply to message #1741211] Tue, 23 August 2016 20:16 Go to previous message
Brian Vosburgh is currently offline Brian VosburghFriend
Messages: 137
Registered: July 2009
Senior Member
Russell Bateman wrote on Tue, 23 August 2016 12:47
On 08/23/2016 10:20 AM, Adam Hardy wrote:
> The Dali project doesn't look like the appropriate forum to ask - I
> don't actually have the Dali plugin installed, and anyway there's been
> virtually no traffic this year.
> What is processing this persistence.xml file and the JPA facet I
> configured for this project? Where do I ask?

Have you tried the Eclipse data tools platform (DTP) forum?


The DTP forum is probably even more quiet than the Dali forum. :-)

The Dali forum would be the correct place to ask; but, yes, you are correct: it is pretty quiet.

Dali is most likely what is generating any messages related to your persistence.xml file. So: I'm guessing you actually do have the Dali plug-in installed. What Eclipse package are you using? If you are using "Eclipse IDE for EE Developers" you have Dali installed. Dali is what provides the functionality behind the JPA facet.

Finding a jar file listed in a persistence.xml file is not an insignificant task, given all the places it could be in your workspace. What is the exact error message? Where is the jar, relative to your project and/or workspace?

If this is the only Dali message causing you grief, you can disable it via the Dali preferences (Preferences > Java Persistence > JPA > Errors/Warnings).
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