java.lang.ClassNotFoundException: org.netbeans.modules.groovy.editor.parser.GroovyLanguage
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:252)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at org.openide.loaders.InstanceSupport.findClass(InstanceSupport.java:499)
        at org.openide.loaders.InstanceSupport.instanceClass(InstanceSupport.java:145)
        at org.openide.loaders.InstanceDataObject$Ser.instanceClass(InstanceDataObject.java:1204)
        at org.openide.loaders.InstanceSupport.instanceCreate(InstanceSupport.java:213)
        at org.openide.loaders.InstanceDataObject$Ser.instanceCreate(InstanceDataObject.java:1260)
        at org.openide.loaders.InstanceDataObject.instanceCreate(InstanceDataObject.java:749)
        at org.netbeans.modules.gsf.spi.DefaultDataLoadersBridge.createInstance(DefaultDataLoadersBridge.java:101)
        at org.netbeans.modules.gsf.Language.createInstance(Language.java:282)
        at org.netbeans.modules.gsf.Language.getGsfLanguage(Language.java:220)
        at org.netbeans.modules.gsf.LanguageRegistry.getLibraryFos(LanguageRegistry.java:317)
        at org.netbeans.modules.gsfret.source.usages.Index.getPreindexRoots(Index.java:260)
        at org.netbeans.modules.gsfret.source.usages.Index.addPreindexRoot(Index.java:250)
        at org.netbeans.api.ruby.platform.RubyPlatform.updateIndexRoots(RubyPlatform.java:716)
        at org.netbeans.api.ruby.platform.RubyPlatform.getInterpreter(RubyPlatform.java:181)
        at org.netbeans.api.ruby.platform.RubyPlatform.isDefault(RubyPlatform.java:418)
        at org.netbeans.api.ruby.platform.RubyPlatform.getLabel(RubyPlatform.java:413)
        at org.netbeans.api.ruby.platform.RubyPlatform.toString(RubyPlatform.java:831)
        at java.lang.String.valueOf(String.java:2615)
        at java.util.AbstractCollection.toString(AbstractCollection.java:454)
        at java.lang.String.valueOf(String.java:2615)
        at java.lang.StringBuilder.append(StringBuilder.java:116)
        at org.netbeans.api.ruby.platform.RubyPlatformManager.getPlatformsInternal(RubyPlatformManager.java:303)
        at org.netbeans.api.ruby.platform.RubyPlatformManager.getPlatformByID(RubyPlatformManager.java:324)
        at org.netbeans.api.ruby.platform.RubyPlatformProvider.getPlatform(RubyPlatformProvider.java:64)
        at org.netbeans.modules.ruby.railsprojects.classpath.BootClassPathImplementation.getResources(BootClassPathImplementation.java:135)
        at org.netbeans.modules.gsfpath.api.classpath.ClassPath.entries(ClassPath.java:296)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath.createResources(GlobalSourcePath.java:214)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath.access$1200(GlobalSourcePath.java:87)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath$SourcePathImplementation.getResources(GlobalSourcePath.java:473)
        at org.netbeans.modules.gsfpath.api.classpath.ClassPath$SPIListener.propertyChange(ClassPath.java:902)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath$SourcePathImplementation.firePropertyChange(GlobalSourcePath.java:522)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath.resetCacheAndFire(GlobalSourcePath.java:187)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath.access$500(GlobalSourcePath.java:87)
        at org.netbeans.modules.gsfret.source.GlobalSourcePath$Listener.pathsAdded(GlobalSourcePath.java:670)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:449)
        at $Proxy.pathsAdded(.java:0)
        at org.netbeans.modules.gsfpath.api.classpath.GlobalPathRegistry.register(GlobalPathRegistry.java:206)
        at org.netbeans.modules.ruby.railsprojects.RailsProject.registerClassPath(RailsProject.java:137)
        at org.netbeans.modules.ruby.rubyproject.RubyBaseProject.open(RubyBaseProject.java:224)
        at org.netbeans.modules.ruby.railsprojects.RailsProject.open(RailsProject.java:150)
        at org.netbeans.modules.ruby.rubyproject.RubyBaseProject$ProjectOpenedHookImpl.projectOpened(RubyBaseProject.java:331)
        at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectOpened(ProjectOpenedHook.java:81)
        at org.netbeans.modules.project.ui.OpenProjectList.notifyOpened(OpenProjectList.java:993)
        at org.netbeans.modules.project.ui.OpenProjectList.access$800(OpenProjectList.java:124)
        at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.loadOnBackground(OpenProjectList.java:348)
        at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.run(OpenProjectList.java:270)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)