Language bundle not found for empty pom project

for a POM project, no modules, no src/site, the following error is generated:

Added 'maven-site-plugin/src/test/projects/site-plugin-test13/'.

[INFO] Scanning for projects...
[INFO] ----------------------------------------------------------------------------
[INFO] Building Unnamed - org.apache.maven.plugins.site-plugin-test:site-plugin-test12:pom:1.0
[INFO] task-segment: [site]
[INFO] ----------------------------------------------------------------------------
[WARNING] Unable to get resource 'org.apache.maven.plugins:maven-plugins:pom:4-SNAPSHOT' from repository java.net (https://maven-repository.dev.java.net/nonav/repository/)
[WARNING] POM for 'commons-collections:commons-collections:pom:3.1:runtime' is invalid. It will be ignored for artifact resolution. Reason: Not a v4.0.0 POM.
[INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on => 'false'.
[INFO] Setting property: resource.loader => 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound => 'false'.
[INFO] [site:site]
[INFO] artifact org.apache.maven.skins:maven-default-skin: checking for updates from java.net
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Can't find bundle for base name site-plugin, locale en
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.util.MissingResourceException: Can't find bundle for base name site-plugin, locale en
at org.codehaus.plexus.i18n.DefaultI18N.cacheBundle(DefaultI18N.java:394)
at org.codehaus.plexus.i18n.DefaultI18N.getBundle(DefaultI18N.java:157)
at org.codehaus.plexus.i18n.DefaultI18N.getString(DefaultI18N.java:206)
at org.apache.maven.plugins.site.AbstractSiteMojo.populateReportsMenu(AbstractSiteMojo.java:412)
at org.apache.maven.plugins.site.AbstractSiteRenderingMojo.locateDocuments(AbstractSiteRenderingMojo.java:608)
at org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:116)
at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:95)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:435)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:534)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:475)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:454)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:306)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:273)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:140)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:391)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:178)
at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:797)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:404)
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.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:408)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:351)
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11 seconds
[INFO] Finished at: Mon Dec 18 10:50:53 CET 2006
[INFO] Final Memory: 15M/38M
[INFO] ------------------------------------------------------------------------
FATAL ERROR: Unable to configure the Maven application
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