java.lang.NullPointerException
        at org.netbeans.api.debugger.ActionsManager.registerActionsProviders(ActionsManager.java:421)
        at org.netbeans.api.debugger.ActionsManager.initActionImpls(ActionsManager.java:439)
        at org.netbeans.api.debugger.ActionsManager.postAction(ActionsManager.java:189)
        at org.netbeans.api.debugger.DebuggerManager.startDebugging(DebuggerManager.java:379)
        at org.netbeans.api.debugger.jpda.JPDADebugger.startListening(JPDADebugger.java:220)
        at org.netbeans.modules.maven.debug.JPDAStart$1.run(JPDAStart.java:176)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)