java.lang.NullPointerException
   at org.netbeans.modules.maven.execute.navigator.GoalsPanel$PluginChildren.createKeys(GoalsPanel.java:379)
   at org.openide.nodes.AsynchChildren.run(AsynchChildren.java:209)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)