java.lang.AssertionError: cdnjs-cdnjs-754b27a/ajax/libs/package.json at org.netbeans.modules.web.clientproject.libraries.CDNJSLibrariesProvider.readLibraries(CDNJSLibrariesProvider.java:141) at org.netbeans.modules.web.clientproject.libraries.CDNJSLibrariesProvider.getLibraries(CDNJSLibrariesProvider.java:118) at org.netbeans.modules.web.clientproject.api.WebClientLibraryManager.addLibraries(WebClientLibraryManager.java:311) at org.netbeans.modules.web.clientproject.api.WebClientLibraryManager.getLibraries(WebClientLibraryManager.java:219) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibrarySelectionPanel$LibrariesTableModel$1.run(JavaScriptLibrarySelectionPanel.java:1255) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: cdnjs-cdnjs-754b27a/ajax/libs/package.json at org.openide.util.RequestProcessor.post(RequestProcessor.java:424) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibrarySelectionPanel$LibrariesTableModel.populateModel(JavaScriptLibrarySelectionPanel.java:1251) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibrarySelectionPanel$LibrariesTableModel.(JavaScriptLibrarySelectionPanel.java:1236) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibrarySelectionPanel$LibrariesTableModel.create(JavaScriptLibrarySelectionPanel.java:1240) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibrarySelectionPanel.(JavaScriptLibrarySelectionPanel.java:137) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibraryCustomizerPanel.(JavaScriptLibraryCustomizerPanel.java:137) at org.netbeans.modules.web.clientproject.api.jslibs.JavaScriptLibraryCustomizer.createComponent(JavaScriptLibraryCustomizer.java:72) at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.create(ProjectCustomizer.java:629) at org.netbeans.modules.project.uiapi.CustomizerPane.setCategory(CustomizerPane.java:259) at org.netbeans.modules.project.uiapi.CustomizerPane.access$200(CustomizerPane.java:72) at org.netbeans.modules.project.uiapi.CustomizerPane$CategoryChangeListener.propertyChange(CustomizerPane.java:345) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) at org.netbeans.modules.project.uiapi.CategoryModel.firePropertyChange(CategoryModel.java:118) at org.netbeans.modules.project.uiapi.CategoryModel.setCurrentCategory(CategoryModel.java:92) at org.netbeans.modules.project.uiapi.CategoryView.propertyChange(CategoryView.java:181) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) at org.openide.explorer.ExplorerManager$2.run(ExplorerManager.java:876) at org.openide.util.Mutex.doEvent(Mutex.java:1348) at org.openide.util.Mutex.readAccess(Mutex.java:355) at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:873) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.fire(ExplorerManager.java:292) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:303) at org.openide.explorer.ExplorerManager$1SetExploredContextAndSelection.run(ExplorerManager.java:391) at org.openide.util.Mutex.readAccess(Mutex.java:372) at org.openide.util.Mutex$1R.run(Mutex.java:1314) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1331) at org.openide.util.Mutex.readAccess(Mutex.java:361) at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:418) at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:149) at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:849) at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:1491) at org.openide.util.Mutex$1Exec.run(Mutex.java:1251) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1921) at org.openide.util.Mutex.postRequest(Mutex.java:1257) at org.openide.util.Mutex.postRequest(Mutex.java:1220) at org.openide.util.Mutex.postReadRequest(Mutex.java:575) at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:1460) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:634) at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1092) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:293) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(DefaultTreeSelectionModel.java:187) at javax.swing.JTree.setSelectionPath(JTree.java:1631) at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(BasicTreeUI.java:2373) at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(BasicTreeUI.java:3589) at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressedDND(BasicTreeUI.java:3566) at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressed(BasicTreeUI.java:3525) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:280) at java.awt.Component.processMouseEvent(Component.java:6502) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4489) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:723) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:682) at java.awt.EventQueue$3.run(EventQueue.java:680) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:696) at java.awt.EventQueue$4.run(EventQueue.java:694) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:693) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)