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Karl M. Davis commented on MNG-5434: ------------------------------------ I finally had some time to look at this some more, and it appears that I'd just chosen a poor version to test against. Here's a summary of my test results: ||Version A||Version B||Latest (Numerically)||Latest (Lexicographically)||Latest (Maven 3.0.4)|| |1.0.0.0|1.0.0.0.0|(ambiguous)|1.0.0.0.0|1.0.0.0| |1.0.0|1.0.0.0|(ambiguous)|1.0.0.0|1.0.0| |1.0.0.100-SNAPSHOT|1.0.0.2-SNAPSHOT|1.0.0.100-SNAPSHOT|1.0.0.100-SNAPSHOT|1.0.0.100-SNAPSHOT| |2|2.0|(ambiguous)|2.0|2| |3.4.5.6.7.008|3.4.5.6.7.08|(ambiguous)|3.4.5.6.7.008|3.4.5.6.7.008| |5.6.7.8-fix1.2|5.6.7.8-fix002|5.6.7.8-fix002|5.6.7.8-fix1.2|5.6.7.8-fix002| |4.5.6.7.8.9.1|4.5.6.7.8.10|4.5.6.7.8.10|4.5.6.7.8.9.1|4.5.6.7.8.10| Maven's behavior is as expected in all non-ambiguous cases that I tried. I would say that the {{1 > 1.0}} logic is surprising, but nonetheless reasonable. > Maven version ranges do not properly handle versions with more than four > components > ----------------------------------------------------------------------------------- > > Key: MNG-5434 > URL: https://jira.codehaus.org/browse/MNG-5434 > Project: Maven 2 & 3 > Issue Type: Bug > Components: General > Affects Versions: 3.0.4 > Environment: Linux 64-bit > Reporter: Karl M. Davis > > When using a version range, e.g. "[1.0-SNAPSHOT,)", versions with more than > four components are not sorted correctly. For example, "1.0.0.0" will be > sorted as greater/later than "1.0.0.0.0". However, "1.0.0" will be sorted as > greater/later than "1.0.0.0". > The behavior here is a bit odd... all of the maven-metadata-XXX.xml files in > the local repository will correctly list "1.0.0.0.0" as the "latest" and > "release" version, but running compile, dependency:tree, etc. will instead > select "1.0.0.0". Aether API calls are also exhibiting the buggy sorting > behavior, too. > I haven't yet tried any debugging to track this down, but I've trolled > through git and my best guess is that this behavior is related to the version > of maven-artifact being used. The 2.x releases > DefaultArtifactVersion.compareTo(...) method does not correctly handle > versions with more than four components, but the 3.x releases of it do [1]. > Maybe the problem is just that [the compile plugin is still using > maven-artifact:2.0.9|http://maven.apache.org/plugins/maven-compiler-plugin/dependencies.html]? > This is hurting us here. While many of our projects use versions with four or > less components, we follow the [add a version component for branches > versioning > strategy|http://janvanbesien.blogspot.com/2009/06/consistent-svn-brach-and-tag-names-for.html] > to prevent version conflicts between branches. This allows us to use version > ranges in our POMs, making life a lot easier. > [1] The following commit seems to be where this was fixed in maven-artifact: > [maven.git > beb9d731691beed1b0099a790a8ae1973f55dc0b|https://git-wip-us.apache.org/repos/asf?p=maven.git;a=commit;h=beb9d731691beed1b0099a790a8ae1973f55dc0b]. > It looks like the code is what was originally proposed in the [Improve > default support for version > schemes|http://docs.codehaus.org/display/MAVEN/Versioning] Maven wiki page. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira