Cannot build bamboo version 5.9.7 from source

Hi,

I'm trying to build bamboo version 5.9.7 from source and its failing with the following stack trace:

[INFO] ------------------------------------------------------------------------
[INFO] Building Atlassian Bamboo Git Repository Plugin
[INFO] task-segment: [clean, install]
[INFO] ------------------------------------------------------------------------
[INFO] [clean:clean]
[INFO] [enforcer:enforce

{execution: enforce-java}

]
[INFO] [enforcer:enforce

{execution: ban_google_collections}

]
[INFO] [dependency:unpack-dependencies

{execution: unpack-dependencies}

]
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 'com.atlassian.maven.plugins:maven-bamboo-plugin:5.0.10-AMPS-1230-1:copy-bundled-dependencies': Unable to load the mojo 'com.atlassian.maven.plugins:maven-bamboo-plugin:5.0.10-AMPS-1230-1:copy-bundled-dependencies' in the plugin 'com.atlassian.maven.plugins:maven-bamboo-plugin'. A required class is missing: Lorg/apache/maven/plugin/BuildPluginManager;
org.apache.maven.plugin.BuildPluginManager
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager executing goal 'com.atlassian.maven.plugins:maven-bamboo-plugin:5.0.10-AMPS-1230-1:copy-bundled-dependencies': Unable to load the mojo 'com.atlassian.maven.plugins:maven-bamboo-plugin:5.0.10-AMPS-1230-1:copy-bundled-dependencies' in the plugin 'com.atlassian.maven.plugins:maven-bamboo-plugin'. A required class is missing: Lorg/apache/maven/plugin/BuildPluginManager;
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:682)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:540)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:519)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
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.PluginManagerException: Unable to load the mojo 'com.atlassian.maven.plugins:maven-bamboo-plugin:5.0.10-AMPS-1230-1:copy-bundled-dependencies' in the plugin 'com.atlassian.maven.plugins:maven-bamboo-plugin'. A required class is missing: Lorg/apache/maven/plugin/BuildPluginManager;
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:672)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:461)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678)
... 16 more
Caused by: java.lang.NoClassDefFoundError: Lorg/apache/maven/plugin/BuildPluginManager;
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
at java.lang.Class.getDeclaredField(Class.java:2068)
at hidden.org.codehaus.plexus.util.ReflectionUtils.getFieldByNameIncludingSuperclasses(ReflectionUtils.java:31)
at hidden.org.codehaus.plexus.util.ReflectionUtils.getFieldByNameIncludingSuperclasses(ReflectionUtils.java:39)
at hidden.org.codehaus.plexus.util.ReflectionUtils.getFieldByNameIncludingSuperclasses(ReflectionUtils.java:39)
at org.codehaus.plexus.component.composition.FieldComponentComposer.getFieldByName(FieldComponentComposer.java:212)
at org.codehaus.plexus.component.composition.FieldComponentComposer.findMatchingField(FieldComponentComposer.java:171)
at org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:62)
at org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at org.codehaus.plexus.component.manager.PerLookupComponentManager.getComponent(PerLookupComponentManager.java:48)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:645)
... 18 more
Caused by: java.lang.ClassNotFoundException: org.apache.maven.plugin.BuildPluginManager
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195)
at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255)
at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:274)
at org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 37 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 minute 42 seconds
[INFO] Finished at: Thu Nov 26 19:50:20 AEDT 2015
[INFO] Final Memory: 678M/910M
[INFO] ------------------------------------------------------------------------