[ 
https://jira.codehaus.org/browse/MRELEASE-782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=305297#comment-305297
 ] 

Romain manni-Bucau commented on MRELEASE-782:
---------------------------------------------

seems linked to line 538 in 
http://svn.apache.org/repos/asf/maven/release/trunk/maven-release-manager/src/main/java/org/apache/maven/shared/release/phase/AbstractRewritePomsPhase.java

"Element property = properties.getChild( expression, properties.getNamespace() 
);"

the else explicit this issue:

"
// the expression used to define the version of this artifact may be inherited
// TODO needs a better error message, what pom? what dependency?
throw new ReleaseFailureException( "The version could not be updated: " + 
rawVersion );
"

but why isn't it fixed? At least an option to ignore the value and keep it 
could be fine (typically a variable to define a version doesn't need any update)
                
> Properties defined in a child pom hide all the properties defined in the 
> parent pom while performing release:prepare
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: MRELEASE-782
>                 URL: https://jira.codehaus.org/browse/MRELEASE-782
>             Project: Maven 2.x Release Plugin
>          Issue Type: Bug
>          Components: prepare
>    Affects Versions: 2.3.2
>         Environment: Any
>            Reporter: Marius Dumitru Florea
>
> Suppose you have this two poms:
> {code:title=Parent POM}
> ...
> <properties>
>   <my.version>1.6</my.version>
> </properties>
> ...
> {code}
> {code:title=Child POM}
> ...
> <!-- No properties defined here! -->
> ...
> <plugin>
>   ...
>   <dependencies>
>     <dependency>
>       ...
>       <version>${my.version}</version>
>     </dependency>
>   </dependencies>
> </plugin>
> ...
> {code}
> Running release:prepare on this works just fine. Now, if we add a 
> {{properties}} section with any property to the child pom we get:
> {noformat}
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-release-plugin:2.3.2:prepare (default-cli) on 
> project XYZ: The version could not be updated: ${my.version} -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.apache.maven.plugins:maven-release-plugin:2.3.2:prepare 
> (default-cli) on project XYZ: The version could not be updated: ${my.version}
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
>       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:597)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.MojoFailureException: The version could 
> not be updated: ${commons.version}
>       at 
> org.apache.maven.plugins.release.PrepareReleaseMojo.prepareRelease(PrepareReleaseMojo.java:299)
>       at 
> org.apache.maven.plugins.release.PrepareReleaseMojo.execute(PrepareReleaseMojo.java:247)
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>       ... 19 more
> Caused by: org.apache.maven.shared.release.ReleaseFailureException: The 
> version could not be updated: ${my.version}
>       at 
> org.apache.maven.shared.release.phase.AbstractRewritePomsPhase.rewriteArtifactVersions(AbstractRewritePomsPhase.java:578)
>       at 
> org.apache.maven.shared.release.phase.AbstractRewritePomsPhase.transformDocument(AbstractRewritePomsPhase.java:298)
>       at 
> org.apache.maven.shared.release.phase.AbstractRewritePomsPhase.transformProject(AbstractRewritePomsPhase.java:220)
>       at 
> org.apache.maven.shared.release.phase.AbstractRewritePomsPhase.transform(AbstractRewritePomsPhase.java:126)
>       at 
> org.apache.maven.shared.release.phase.AbstractRewritePomsPhase.simulate(AbstractRewritePomsPhase.java:713)
>       at 
> org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:228)
>       at 
> org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:169)
>       at 
> org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:146)
>       at 
> org.apache.maven.shared.release.DefaultReleaseManager.prepare(DefaultReleaseManager.java:107)
>       at 
> org.apache.maven.plugins.release.PrepareReleaseMojo.prepareRelease(PrepareReleaseMojo.java:291)
>       ... 22 more
> {noformat}

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