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https://issues.apache.org/jira/browse/MNG-5948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056319#comment-15056319
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Robert Scholte commented on MNG-5948:
-------------------------------------
I think you are confusing {{alias}} and {{property}}. With alias you can change
the name used within the configuration-block of the plugin, whereas property
refers to the {{-Dkey=value}}
> Parameter values are only injected from plugin configuration if the config
> value is identical to variable names.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: MNG-5948
> URL: https://issues.apache.org/jira/browse/MNG-5948
> Project: Maven
> Issue Type: Bug
> Components: core
> Affects Versions: 3.3.3
> Reporter: Krzysztof Trojan
> Attachments: param-issue-demo-maven-plugin.zip
>
>
> In Maven 3.3.x it was observed that the Mojo field, being a parameter
> (annotated @Parameter either in Javadoc or in Java annotation), is only
> injected a value if in configuration a property is given with the exact same
> name. The "property" attribute of the @Parameter annotation seems not to make
> to read the value from a property named in the attribute.
> Example:
> {code}
> @Mojo( name = "something" )
> public class ExampleMojo extends AbstractMojo
> {
> @Parameter( property = "propertyIWant" )
> private String myParam;
> // truncated
> {code}
> does inject anything into myParam from a pom.xml with the config below in the
> plugin configuration:
> {code:xml}
> <configuration>
> <propertyIWant>something to inject</propertyIWant>
> </configuration>
> {code}
> While:
> {code:xml}
> <configuration>
> <myParam>something to inject</myParam>
> </configuration>
> {code}
> works nicely.
> This is regression comparing to Maven 3.0.x, where the same plugin works and
> gets values from the config entry named as in @Parameter(property)
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