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Posted to issues@maven.apache.org by "Elliotte Rusty Harold (Jira)" <ji...@apache.org> on 2020/01/01 16:26:00 UTC
[jira] [Updated] (MNG-6420) ComparableVersion incorrectly parses
certain version strings
[ https://issues.apache.org/jira/browse/MNG-6420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Elliotte Rusty Harold updated MNG-6420:
---------------------------------------
Fix Version/s: (was: wontfix-candidate)
> ComparableVersion incorrectly parses certain version strings
> ------------------------------------------------------------
>
> Key: MNG-6420
> URL: https://issues.apache.org/jira/browse/MNG-6420
> Project: Maven
> Issue Type: Bug
> Components: core
> Affects Versions: 3.5.3
> Reporter: Ross Goldberg
> Priority: Major
>
> For certain version strings, ComparableVersion doesn't follow the Maven version order spec (https://maven.apache.org/pom.html#Version_Order_Specification).
> To improve the code & fix the following bugs, I completely rewrote the version parser (using Java 10 & Google Guava 25.1). It is attached & passes all of the tests from ComparableVersionTest.
> Bug 1:
>
> java -jar /usr/local/Cellar/maven/3.5.3/libexec/lib/maven-artifact-3.5.3.jar 1-0.3 1
>
> Outputs:
>
> 1. 1-0.3 == 1-0.3
> 1-0.3 == 1
> 2. 1 == 1
>
> This probleem stems from:
>
> [https://github.com/apache/maven/blob/b8c06e61ab73cd9e25a5b2c93d9e5077b2196751/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/ComparableVersion.java#L295-L296]
>
>
>
> Bug 2:
>
> java -jar /usr/local/Cellar/maven/3.5.3/libexec/lib/maven-artifact-3.5.3.jar 1-0-2 1-0.1
>
> 1. 1-0-2 == 1-2
> 1-0-2 < 1-0.1
> 2. 1-0.1 == 1-0.1
>
> This problem stems from retaining ListItems that, after normalization, have no children other than the subsequent ListItem. Removing the unnecessary ListItem should fix this (i.e. remove the extraneous ListItem (named extraneous) from its parent ListItem (named parent), then add the only child of extraneous to parent).
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