java.net.MalformedURLException: no protocol: 
        at java.net.URL.<init>(URL.java:567)
        at java.net.URL.<init>(URL.java:464)
        at java.net.URL.<init>(URL.java:413)
        at org.netbeans.modules.uihandler.Installer.decodeButtons(Installer.java:1132)
        at org.netbeans.modules.uihandler.Installer$Submit.actionPerformed(Installer.java:1541)
        at org.netbeans.modules.uihandler.Installer$SubmitAutomatic.showDialogAndGetValue(Installer.java:2028)
        at org.netbeans.modules.uihandler.Installer$Submit.run(Installer.java:1529)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)