cannot build projects which use plexus-maven-plugin with 3.0-alpha-1

Exception in thread "main" java.lang.NoClassDefFoundError
        at org.codehaus.plexus.cdc.gleaner.QDoxComponentGleaner.class$(QDoxComponentGleaner.java:231)
        at org.codehaus.plexus.cdc.gleaner.QDoxComponentGleaner.<clinit>(QDoxComponentGleaner.java:230)
        at org.codehaus.plexus.maven.plugin.SourceComponentDescriptorExtractor.extract(SourceComponentDescriptorExtractor.java:57)
        at org.codehaus.plexus.maven.plugin.AbstractDescriptorMojo.generateDescriptor(AbstractDescriptorMojo.java:131)
        at org.codehaus.plexus.maven.plugin.PlexusDescriptorMojo.execute(PlexusDescriptorMojo.java:60)
        at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:631)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:492)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmentForProject(DefaultLifecycleExecutor.java:259)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:201)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:164)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:207)
        at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:846)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:160)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:63)
        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)
Caused by: java.lang.ClassNotFoundException: org.codehaus.plexus.personality.plexus.lifecycle.phase.Suspendable
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadRealmClass(ClassRealm.java:174)
        at org.codehaus.plexus.classworlds.strategy.DefaultStrategy.loadClass(DefaultStrategy.java:67)
        at org.codehaus.plexus.classworlds.strategy.ForeignStrategy.loadClass(ForeignStrategy.java:39)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:207)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:201)
        at org.codehaus.plexus.classworlds.strategy.DefaultStrategy.loadClass(DefaultStrategy.java:73)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:207)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:201)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:164)
        ... 22 more