Hi glad I could help. I completely agree with you the documentation is lacking.
TBH you probably by now know more about how Ivy wants to be configured than me. :-) Stefan On 2024-03-13, Lewis John McGibbney wrote: > 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