Thanks for the responses. I've gone through this, but I still don't see a
solution.
In our archetype project, I am running the "archetype:create-from-project"
goal and then running "mvn install", and then referencing the installed
archetype in a work directory, which fails with the given error. I'm
thinking that running "c-f-p" in the root of the archetype project is not
exactly what is required, but I have no idea.
I still have no idea why it's saying it's not an archetype, but I imagine
you would conclude the same thing.
On Thu, Oct 5, 2023 at 4:32 PM Herve Boutemy wrote:
> reading the mini guide
> https://maven.apache.org/guides/mini/guide-creating-archetypes.html
> I see that it mixes the archetype = the jar that is stored to the
> repository and the archetype project = the Maven project that will create
> the archetype jar
>
> please look at the schema in the plugin page:
> https://maven.apache.org/archetype/maven-archetype-plugin/
> It shows the full lifecycle:
> - from an eventual sample project
> - to an archetype project
> - to the built archetype
> - an finally to the project generated from the archetype
> and it lists the goals of the maven-artifact-plugin to go from one step to
> the next one
>
> The mini guide only covers writing the archetype project by hand, and
> building it to get the archetype jar
>
> I hope this will help understanding the wider logic, before digging into
> eventual bugs or not clear messages when something gets wrong
>
> Regards,
>
> Hervé
>
> On 2023/10/05 23:15:50 Herve Boutemy wrote:
> > documentation probably also needs love:
> > you found the mini-guide, but not the plugin reference documentation
> that explains much more:
> https://maven.apache.org/archetype/maven-archetype-plugin/index.html
> >
> > I'm not sure mini guide was updated as it should
> >
> > Regards,
> >
> > Hervé
> >
> > On 2023/10/05 20:38:20 David Karr wrote:
> > > I support and maintain a platform used by a couple hundred
> > > SpringBoot/JAX-RS/Maven/K8S services. When new services are created, a
> > > Maven archetype is used to create the service skeleton. This has
> worked
> > > fine for quite a while.
> > >
> > > We're now working on a variation using SpringMVC instead of JAX-RS, and
> > > eventually making that the default.
> > >
> > > One of my team members took the existing Jersey/JAX-RS archetype
> project,
> > > made a copy, and then changed a bunch of things for SpringMVC instead
> of
> > > JAX-RS. We installed that archetype in our local maven repo for
> initial
> > > testing, using "mvn install".
> > >
> > > We run a command line like the following:
> > >
> > > mvn archetype:generate -DgroupId=com.org.idp
> -DartifactId=MyApplication
> > > -Dpackage=com.org.idp -DarchetypeGroupId=com.org.idse
> > > -DarchetypeArtifactId=idse-springmvc-archetype
> > > -DarchetypeVersion=2.0.0-SNAPSHOT
> > >
> > > The "archetypeVersion" property value corresponds to the version
> attribute
> > > in the pom.xml of the archetype.
> > >
> > > This produces the following output:
> > >
> > > [INFO] Generating project in Batch mode
> > > [WARNING] Archetype not found in any catalog. Falling back to central
> > > repository.
> > > [WARNING] Add a repository with id 'archetype' in your settings.xml if
> > > archetype's repository is elsewhere.
> > > Downloading from nexus:
> > >
> https://repocentral.it.att.com:8443/nexus/content/groups/att-public-group/com/att/idse/idse-springmvc-archetype/2.0.0-SNAPSHOT/maven-metadata.xml
> > > [INFO]
> > >
>
> > > [INFO] BUILD FAILURE
> > > [INFO]
> > >
>
> > > [INFO] Total time: 52.232 s
> > > [INFO] Finished at: 2023-10-04T13:33:46-07:00
> > > [INFO]
> > >
>
> > > [ERROR] Failed to execute goal
> > > org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate
> > > (default-cli) on project standalone-pom: The defined artifact is not an
> > > archetype -> [Help 1]
> > > [ERROR]
> > > [ERROR] To see the full stack trace of the errors, re-run Maven with
> the -e
> > > switch.
> > > [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> > > [ERROR]
> > > [ERROR] For more information about the errors and possible solutions,
> > > please read the following articles:
> > > [ERROR] [Help 1]
> > > http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
> > >
> > >
> > > This doesn't tell me WHY it thinks this is not an archetype.
> > >
> > > I find some confusing docs about creating and installing archetypes.
> > >
> > > I found this page:
> > > https://maven.apache.org/guides/mini/guide-creating-archetypes.html .
> > > This example is curious, as the pom.xml for the archetype references
> the
> > > "archetype-packaging" extension, but the text says nothing about this.
> In
>
