java.lang.ClassNotFoundException: org.netbeans.html.json.spi.Proto$Type at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) Caused: java.lang.ClassNotFoundException: org.netbeans.html.json.spi.Proto$Type starting from ModuleCL@2e2a3c82[com.dukescript] with possible defining loaders null and declared parents [ModuleCL@707aa8ec[org.openide.dialogs], Netigso[reference:file:/C:/Users/ruslan.lopez/AppData/Roaming/NetBeans/8.0.2/modules/net-java-html-json.jar], Netigso[reference:file:/C:/Users/ruslan.lopez/AppData/Roaming/NetBeans/8.0.2/modules/net-java-html-sound.jar], Netigso[reference:file:/C:/Users/ruslan.lopez/AppData/Roaming/NetBeans/8.0.2/modules/net-java-html-boot-fx.jar], Netigso[reference:file:/C:/Users/ruslan.lopez/AppData/Roaming/NetBeans/8.0.2/modules/net-java-html-boot.jar], ModuleCL@683254ef[org.netbeans.libs.javafx], ModuleCL@7533edb9[org.openide.loaders], Netigso[reference:file:/C:/Users/ruslan.lopez/AppData/Roaming/NetBeans/8.0.2/modules/javax-websocket_api.jar], org.netbeans.MainImpl$BootClassLoader@108c4c35, ModuleCL@6c0a3bd3[org.netbeans.api.annotations.common], ...8 more] at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) Caused: java.lang.NoClassDefFoundError: org/netbeans/html/json/spi/Proto$Type at java.lang.ClassLoader.defineClass1(ClassLoader.java:0) at java.lang.ClassLoader.defineClass(ClassLoader.java:760) at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:289) Caused: java.lang.NoClassDefFoundError: org/netbeans/html/json/spi/Proto$Type while loading com.dukescript.ide.dukewizard.WizardData$Html4JavaType; see http://wiki.netbeans.org/DevFaqTroubleshootClassNotFound at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:263) at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at com.dukescript.ide.dukewizard.WizardData.(WizardData.java:4) at com.dukescript.ide.dukewizard.DukeIterator$1$1.run(DukeIterator.java:280) at net.java.html.boot.BrowserBuilder$1OnPageLoad$1CallInitMethod.run(BrowserBuilder.java:337) at net.java.html.BrwsrCtx$1Wrap.run(BrwsrCtx.java:174) at org.netbeans.html.boot.fx.AbstractFXPresenter.execute(AbstractFXPresenter.java:282) at net.java.html.BrwsrCtx.execute(BrwsrCtx.java:185) at net.java.html.boot.BrowserBuilder$1OnPageLoad.run(BrowserBuilder.java:375) at org.netbeans.html.boot.fx.AbstractFXPresenter.onPageLoad(AbstractFXPresenter.java:145) at net.java.html.boot.fx.FXBrowsers$Load.access$000(FXBrowsers.java:228) at net.java.html.boot.fx.FXBrowsers$Load$1.changed(FXBrowsers.java:251) at net.java.html.boot.fx.FXBrowsers$Load$1.changed(FXBrowsers.java:244) at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182) at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81) at javafx.beans.property.ReadOnlyObjectWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyObjectWrapper.java:176) at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:142) at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112) at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146) at javafx.scene.web.WebEngine$LoadWorker.updateState(WebEngine.java:1260) at javafx.scene.web.WebEngine$LoadWorker.dispatchLoadEvent(WebEngine.java:1371) at javafx.scene.web.WebEngine$LoadWorker.access$1200(WebEngine.java:1253) at javafx.scene.web.WebEngine$PageLoadListener.dispatchLoadEvent(WebEngine.java:1240) at com.sun.webkit.WebPage.fireLoadEvent(WebPage.java:2400) at com.sun.webkit.WebPage.fwkFireLoadEvent(WebPage.java:2244) at com.sun.webkit.network.URLLoader.twkDidFinishLoading(URLLoader.java:0) at com.sun.webkit.network.URLLoader.notifyDidFinishLoading(URLLoader.java:838) at com.sun.webkit.network.URLLoader.lambda$didFinishLoading$96(URLLoader.java:829) at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295) at java.security.AccessController.doPrivileged(AccessController.java:0) at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95) at com.sun.glass.ui.win.WinApplication._runLoop(WinApplication.java:0) at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191) at java.lang.Thread.run(Thread.java:745)