Persistence

[Jared Jacobs]

Hi -

I'm very new to maven but, from what I understand, maven will download jars
as needed from repo sites. However, it continually claimed it could not
download org.eclipse.persistence:javax.persistence:jar:1.1.0
and org.eclipse.persistence:eclipselink:jar:1.1.0. So, I went to a mirror,
downloaded them myself and installed them both using the commands:

mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
eclipselink* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file

and

mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
javax.persistence* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file

But, now when I run "mvn compile" it complains about every persistence
annotation saying that the symbol is not found.

What now? I'm lost.

Jared

[Anders Hammar]

By default, Maven looks for artifacts in a remote repo called central (
http://repo1.maven.org/maven2/). However, the artifact you're asking about
does not exist there. So you need to configure a repo that does contain this
artifact so that Maven can get it. The "mirror" (of what?) could be that
repo.
One way of adding a repo is explained here:
http://thedevelopercorner.blogspot.com/2007/08/adding-repositories-to-maven-2.html
However, you can add it in the pom as well. Which way to go kind of depends
on your scenario. Adding the the pom makes i portable, while adding it to
the settings.xml file forces everyone to do this configure to their
environment.

/Anders

On Tue, Nov 3, 2009 at 01:16, Jared Jacobs <jjinsantacruz@...> wrote:

> Hi -
>
> I'm very new to maven but, from what I understand, maven will download jars
> as needed from repo sites. However, it continually claimed it could not
> download org.eclipse.persistence:javax.persistence:jar:1.1.0
> and org.eclipse.persistence:eclipselink:jar:1.1.0. So, I went to a mirror,
> downloaded them myself and installed them both using the commands:
>
> mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
> eclipselink* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file
>
> and
>
> mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
> javax.persistence* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file
>
> But, now when I run "mvn compile" it complains about every persistence
> annotation saying that the symbol is not found.
>
> What now? I'm lost.
>
> Jared
>

[mgainty]

you'll need to install the package/artifactId/version from eclipse plugins site
http://www.eclipse.org/eclipselink/downloads/

i suggest contacting eclipse support for any issues with their installer
Martin Gainty
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> Date: Mon, 2 Nov 2009 16:16:28 -0800
> Subject: Persistence
> From: jjinsantacruz@...
> To: users@...
>
> Hi -
>
> I'm very new to maven but, from what I understand, maven will download jars
> as needed from repo sites. However, it continually claimed it could not
> download org.eclipse.persistence:javax.persistence:jar:1.1.0
> and org.eclipse.persistence:eclipselink:jar:1.1.0. So, I went to a mirror,
> downloaded them myself and installed them both using the commands:
>
> mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
> eclipselink* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file
>
> and
>
> mvn install:install-file -DgroupId=org.eclipse.persistence -DartifactId=*
> javax.persistence* -Dversion=1.1.0 -Dpackaging=jar -Dfile=/path/to/file
>
> But, now when I run "mvn compile" it complains about every persistence
> annotation saying that the symbol is not found.
>
> What now? I'm lost.
>
> Jared

     
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[matinh]

Am Tuesday 03 November 2009 11:43:43 schrieb Anders Hammar:
> One way of adding a repo is explained here:
> http://thedevelopercorner.blogspot.com/2007/08/adding-repositories-to-maven
>-2.html However, you can add it in the pom as well. Which way to go kind of
> depends on your scenario. Adding the the pom makes i portable, while adding
> it to the settings.xml file forces everyone to do this configure to their
> environment.

Note, that adding repositories to your POM is a bad idea:
http://www.sonatype.com/people/2009/02/why-putting-repositories-in-your-poms-is-a-bad-idea/

hth,
- martin

[Anders Hammar]

If you read the full blog post you'll see that it is not black and white.
There are use cases for putting it in the pom.

/Anders

On Tue, Nov 3, 2009 at 17:07, Martin Höller <martin@...> wrote:

> Am Tuesday 03 November 2009 11:43:43 schrieb Anders Hammar:
> > One way of adding a repo is explained here:
> >
> http://thedevelopercorner.blogspot.com/2007/08/adding-repositories-to-maven
> >-2.html However, you can add it in the pom as well. Which way to go kind
> of
> > depends on your scenario. Adding the the pom makes i portable, while
> adding
> > it to the settings.xml file forces everyone to do this configure to their
> > environment.
>
> Note, that adding repositories to your POM is a bad idea:
>
> http://www.sonatype.com/people/2009/02/why-putting-repositories-in-your-poms-is-a-bad-idea/
>
> hth,
> - martin
>

[matinh]

I read the full blog and I didn't say "never ever do it" but just mentioned
that it's a bad idea, and that's what the title of the blog (and my opinion)
is :)

I should have added "it's a bad idea in most cases" though.

- martin

Am Tuesday 03 November 2009 22:43:59 schrieb Anders Hammar:

> If you read the full blog post you'll see that it is not black and white.
> There are use cases for putting it in the pom.
>
> /Anders
>
> On Tue, Nov 3, 2009 at 17:07, Martin Höller <martin@...> wrote:
> > Am Tuesday 03 November 2009 11:43:43 schrieb Anders Hammar:
> > > One way of adding a repo is explained here:
> >
> > http://thedevelopercorner.blogspot.com/2007/08/adding-repositories-to-mav
> >en
> >
> > >-2.html However, you can add it in the pom as well. Which way to go kind
> >
> > of
> >
> > > depends on your scenario. Adding the the pom makes i portable, while
> >
> > adding
> >
> > > it to the settings.xml file forces everyone to do this configure to
> > > their environment.
> >
> > Note, that adding repositories to your POM is a bad idea:
> >
> > http://www.sonatype.com/people/2009/02/why-putting-repositories-in-your-p
> >oms-is-a-bad-idea/
> >
> > hth,
> > - martin

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