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http://jira.codehaus.org/browse/MNG-3807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=152198#action_152198
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John Casey commented on MNG-3807:
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This is related to the version of the plexus container we're using in maven.
With more recent versions, the PropertiesConverter (used to convert XML to a
Properties instance for plugin parameter injection) does evaluate embedded
expressions. However, as of 1.0-alpha-9 of the plexus container, this new code
was not in place.
It seems we have two options for fixing this:
1. create a maintenance branch based on plexus 1.0-alpha-9 and fix the
PropertiesConverter there, then release a new revision for use in maven
2. move maven onto a more recent plexus version, which will entail quite a bit
of work since the component model has changed in important ways since alpha-9.
My personal opinion is that #2 is preferable if it's reasonably easy to do (not
sure on this). This would modernize Maven WRT the plexus container, and enable
us to track a little more closely with the progress in plexus in future.
However, we could fix the PropertiesConverter itself very quickly, making #1 a
much more expedient option.
> Maven is not interpolatin Properties at plugin configuration
> ------------------------------------------------------------
>
> Key: MNG-3807
> URL: http://jira.codehaus.org/browse/MNG-3807
> Project: Maven 2
> Issue Type: Bug
> Components: Inheritance and Interpolation
> Affects Versions: 2.0.9, 2.1.0-M1
> Reporter: Marvin Froeder
> Fix For: 2.1.0-M2
>
>
> My plugin has a configuration like this:
> {noformat}
> /**
> * My Properties.
> *
> * @parameter
> */
> private Properties myProperties;
> {noformat}
> When I configure like this:
> {noformat}
> <myProperties>
> <property>
> <name>propertyName1</name>
> <value>${buildnumber}</value> <!-- property injected on maven properties
> by http://mojo.codehaus.org/buildnumber-maven-plugin/ -->
> <property>
> </myProperties>
> {noformat}
> Maven doesn't interpolate the buildnumber. But the value is available at
> project.getProperties().
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