Karl M. Davis created MNG-5434:
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Summary: 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.
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