java.lang.NullPointerException
   at com.jelastic.plugin.netbeans.ui.JelasticWizardComponent.getProvider(JelasticWizardComponent.java:247)
   at com.jelastic.plugin.netbeans.ui.JelasticWizardPanel.validate(JelasticWizardPanel.java:115)
   at org.openide.WizardDescriptor$11.run(WizardDescriptor.java:1458)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)