reporting fails with Maven 3.1-A1/Eclipse Aether 0.9-M2

[INFO] --- maven-site-plugin:3.2:site (default-site) @ mng-3743-forkWithPluginManagement ---
[WARNING] Error injecting: org.apache.maven.reporting.exec.DefaultMavenReportExecutor
java.lang.NoClassDefFoundError: org/sonatype/aether/graph/DependencyFilter
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Class.java:2416)
	at java.lang.Class.getDeclaredConstructors(Class.java:1855)
	at com.google.inject.spi.InjectionPoint.forConstructorOf(InjectionPoint.java:245)
[...]
	at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1047)
	at com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.java:993)
	at org.eclipse.sisu.locators.LazyBeanEntry.getValue(LazyBeanEntry.java:82)
	at org.eclipse.sisu.plexus.locators.LazyPlexusBean.getValue(LazyPlexusBean.java:52)
	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:259)
	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:239)
	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:233)
	at org.apache.maven.plugins.site.AbstractSiteRenderingMojo.getReports(AbstractSiteRenderingMojo.java:229)
	at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:121)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:105)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	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:336)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:170)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	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:414)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:357)
Caused by: java.lang.ClassNotFoundException: org.sonatype.aether.graph.DependencyFilter
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
	... 60 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.979s
[INFO] Finished at: Tue Mar 19 01:30:47 CET 2013
[INFO] Final Memory: 10M/120M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.2:site (default-site) on project mng-3743-forkWithPluginManagement: Execution default-site of goal org.apache.maven.plugins:maven-site-plugin:3.2:site failed: A required class was missing while executing org.apache.maven.plugins:maven-site-plugin:3.2:site: org/sonatype/aether/graph/DependencyFilter
[ERROR] -----------------------------------------------------