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https://jira.codehaus.org/browse/MNG-4687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=307580#comment-307580
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Curtis Rueden commented on MNG-4687:
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I agree with Scott that automatic local resolution would be ideal. To respond
to Laird's concern, without loss of generality, there are six cases for the
behavior:
|| ||no relativePath given in child
POM||<relativePath/>||<relativePath>..</relativePath>||
|*POM in parent dir _is_ the parent*|automatically use local POM in parent
dir|force lookup in repo|force use of local POM in parent|
|*POM in parent dir is _not_ the parent (or there is no POM
there)*|automatically do lookup in repo|force lookup in repo|force use of local
POM in parent (will fail)|
So to avoid the case where the parent directory contains an out-of-date version
of the parent POM, you could add "<relativePath/>" to your child POMs to always
force a repository lookup. Personally I think this is a less common case than
having a multi-module build and desiring it to use the local version of the POM
in the parent directory when present.
This could be implemented easily by adding support for a special token (e.g.,
"AUTOMATIC") for the relativePath value, and changing the super POM's default
value from ".." as it is now to "AUTOMATIC".
> Maven should not warn about incorrect parent path when no relativePath is
> specified
> -----------------------------------------------------------------------------------
>
> Key: MNG-4687
> URL: https://jira.codehaus.org/browse/MNG-4687
> Project: Maven 2 & 3
> Issue Type: Improvement
> Components: Logging
> Affects Versions: 3.0-beta-1
> Reporter: Paul Gier
> Priority: Minor
> Attachments: MNG-relativePath.zip
>
>
> If a module pom uses a parent other than the one in the parent directory,
> maven logs a warning. In some cases it is necessary that a module pom has an
> external parent pom, and there is no way to refer to this external pom in the
> relativePath. If nothing is specified in the relativePath, Maven should not
> log the warning.
> {noformat}
> [WARNING] 'parent.relativePath' of POM
> org.maven.test:relative-path-parent:0.0.1-SNAPSHOT
> (/home/pgier/projects/MNG-relativePath/module-1/pom.xml) points at
> org.maven.test:relative-path-test instead of org.apache.maven:maven-parent,
> please verify your project structure @
> {noformat}
> The attached zip reproduces the warning.
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