java.lang.ClassNotFoundException: org.netbeans.modules.maven.j2ee.ui.customizer.MavenCompositePanelProvider.createJavaScriptLibraries
   at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
Caused: java.lang.ClassNotFoundException: org.netbeans.modules.maven.j2ee.ui.customizer.MavenCompositePanelProvider.createJavaScriptLibraries starting from SystemClassLoader[662 modules] with possible defining loaders null and declared parents [org.netbeans.MainImpl$BootClassLoader@1218025c, ModuleCL@2940c99[org.netbeans.api.annotations.common], ModuleCL@51c3fc1[org.openide.awt], ModuleCL@416c511[org.netbeans.api.java.classpath], ModuleCL@18b0f165[org.netbeans.api.java], ModuleCL@305f9eb4[org.netbeans.api.progress], ModuleCL@64f5c42d[org.netbeans.swing.plaf], ModuleCL@3215db7e[org.netbeans.api.progress.nb], ModuleCL@c54e415[org.openide.dialogs], ModuleCL@74907f68[org.openide.nodes], ...639 more]
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224)
   at org.netbeans.ModuleManager$SystemClassLoader.loadClass(ModuleManager.java:766)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   at org.openide.loaders.InstanceSupport.findClass(InstanceSupport.java:502)
   at org.openide.loaders.InstanceSupport.instanceClass(InstanceSupport.java:148)
   at org.openide.loaders.InstanceDataObject$Ser.instanceClass(InstanceDataObject.java:1372)
   at org.openide.loaders.InstanceDataObject.instanceClass(InstanceDataObject.java:809)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.readCategories(ProjectCustomizer.java:669)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.getSubCategories(ProjectCustomizer.java:633)
   at org.netbeans.spi.project.ui.support.ProjectCustomizer.createCustomizerDialog(ProjectCustomizer.java:260)
   at org.netbeans.modules.maven.customizer.CustomizerProviderImpl$1.run(CustomizerProviderImpl.java:177)
   at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEvent(NbMutexEventProvider.java:118)
   at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:93)
   at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:89)
   at org.openide.util.Mutex.readAccess(Mutex.java:260)
   at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:170)
   at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:138)
   at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:133)
   at org.netbeans.modules.project.ui.actions.CustomizeProject$1$1.run(CustomizeProject.java:160)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)