Thanks for this guidance Stefan :)
I was able to get a patch together at https://github.com/apache/nutch/pull/803
Hopefully this helps others who may be confused as I was.
Thank you
lewsmc
On 2024/03/12 18:57:51 Stefan Bodewig wrote:
> On 2024-03-11, lewis john mcgibbney wrote:
>
> > I am working on upgrading Ivy to latest over in the Apache Nutch project.
> > The build works just fine with 2.5.0 and 2.5.1 but with 2.5.2 the CI
> > fails with the following complaint
>
> > /home/runner/work/nutch/nutch/src/plugin/build-plugin.xml:234:
> > impossible to ivy retrieve: java.lang.RuntimeException: problem during
> > retrieve of org.apache.nutch#lib-htmlunit: java.lang.RuntimeException:
> > Multiple artifacts of the module
> > io.netty#netty-transport-native-kqueue;4.1.84.Final are retrieved to
> > the same file! Update the retrieve pattern to fix this error.
>
> Ivy 2.5.2 fixes a bug[1] when dealing with dependencies that have
> multiple Maven artifacts with different Maven classifiers. Prior to
> 2.5.2 Ivy would think they'd all be the same and just pick one.
>
> io.netty#netty-transport-native-kqueue has several artifacts, at least
> this is what the repo looks like. I completely fail to understand the
> POM :-)
>
> Your pattern probably needs a [classifier] to make sure two artifacts
> that differ by Maven classifier also target different file names.
>
> Something like
>
> pattern="${local-maven2-dir}/[organisation]/[module]/[revision]/[module]-[revision](-[classifier]).[ext]"
>
> Stefan
>
> [1] https://issues.apache.org/jira/browse/IVY-1642
>
