mvn release

[Ch...@sgcib.com]

I try to prepare  a release with maven.
My project is under cvs and i try this command line:
        mvn  -e release:prepare 
-Dproject.scm.developerConnection=scm:cvs:pserver:my_user@my_host:/archi:my_module_dir
And i have this error descirbe below.

I use maven 2.0.3 with jdk 1.5.0_06.
The scm plugin work fine with the same scm url (scm:checkout)

it means cvs is not supported by release plugin ?

Thx
Christophe

[INFO] An error is occurred in the status process.

Embedded error: Can't load the scm provider.
The scm url is invalid.
[INFO] 
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: An error is 
occurred in the status process.
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:559)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:488)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:458)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:306)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:219)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:140)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
        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:585)
        at 
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at 
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.plugin.MojoExecutionException: An error is 
occurred in the status process.
        at 
org.apache.maven.plugins.release.PrepareReleaseMojo.checkForLocalModifications(PrepareReleaseMojo.java:513)
        at 
org.apache.maven.plugins.release.PrepareReleaseMojo.execute(PrepareReleaseMojo.java:200)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:412)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:534)
        ... 16 more
Caused by: org.apache.maven.scm.ScmException: Can't load the scm provider.
        at 
org.apache.maven.plugins.release.helpers.ScmHelper.getScmRepository(ScmHelper.java:120)
        at 
org.apache.maven.plugins.release.helpers.ScmHelper.getStatus(ScmHelper.java:185)
        at 
org.apache.maven.plugins.release.PrepareReleaseMojo.checkForLocalModifications(PrepareReleaseMojo.java:509)
        ... 19 more
Caused by: org.apache.maven.scm.repository.ScmRepositoryException: The scm 
url is invalid.
        at 
org.apache.maven.scm.provider.cvslib.CvsScmProvider.makeProviderScmRepository(CvsScmProvider.java:98)
        at 
org.apache.maven.scm.manager.plexus.DefaultScmManager.makeScmRepository(DefaultScmManager.java:135)
        at 
org.apache.maven.plugins.release.helpers.ScmHelper.getScmRepository(ScmHelper.java:83)
        ... 21 more
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