java.lang.NullPointerException
   at org.netbeans.modules.maven.execute.MavenCommandLineExecutor$7.build(MavenCommandLineExecutor.java:738)
   at org.netbeans.modules.maven.execute.MavenCommandLineExecutor$7.build(MavenCommandLineExecutor.java:735)
   at org.netbeans.modules.maven.api.PluginPropertyUtils.getPluginPropertyImpl(PluginPropertyUtils.java:149)
   at org.netbeans.modules.maven.api.PluginPropertyUtils.getPluginPropertyBuildable(PluginPropertyUtils.java:194)
   at org.netbeans.modules.maven.execute.MavenCommandLineExecutor.guessBestMaven(MavenCommandLineExecutor.java:735)
   at org.netbeans.modules.maven.execute.MavenCommandLineExecutor.constructBuilder(MavenCommandLineExecutor.java:554)
   at org.netbeans.modules.maven.execute.MavenCommandLineExecutor.run(MavenCommandLineExecutor.java:287)
   at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)