java.lang.NoSuchMethodError: java.awt.Toolkit.isAlwaysOnTopSupported()Z
   at org.casaburo.utils.topmost.Installer.restored(Installer.java:37)
   at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:440)
   at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:361)
   at org.netbeans.ModuleManager.enable(ModuleManager.java:917)
   at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:289)
   at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:225)
   at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:276)
   at org.netbeans.core.startup.Main.getModuleSystem(Main.java:168)
   at org.netbeans.core.startup.Main.start(Main.java:309)
   at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:111)
   at java.lang.Thread.run(Thread.java:595)