java.lang.NullPointerException at java.util.Arrays$ArrayList.(Arrays.java:3357) at java.util.Arrays.asList(Arrays.java:3343) at org.netbeans.modules.xml.wsdl.ui.api.property.ChooserHelper.recursiveListFiles(ChooserHelper.java:176) at org.netbeans.modules.xml.wsdl.ui.api.property.ElementOrTypeChooserHelper$SchemaProjectFolderChildren.resetKeys(ElementOrTypeChooserHelper.java:278) at org.netbeans.modules.xml.wsdl.ui.api.property.ElementOrTypeChooserHelper$SchemaProjectFolderChildren.addNotify(ElementOrTypeChooserHelper.java:261) at org.openide.nodes.Children.callAddNotify(Children.java:541) at org.openide.nodes.Children.getArray(Children.java:583) at org.openide.nodes.Children.getNodes(Children.java:422) at org.openide.nodes.FilterNode$ChildrenAdapter.run(FilterNode.java:1501) at org.openide.nodes.FilterNode$Children.updateKeys(FilterNode.java:1455) at org.openide.nodes.FilterNode$Children.addNotifyImpl(FilterNode.java:1348) at org.openide.nodes.FilterNode$Children.addNotify(FilterNode.java:1340) at org.openide.nodes.Children.callAddNotify(Children.java:541) at org.openide.nodes.Children.getArray(Children.java:583) at org.openide.nodes.Children.getNodes(Children.java:422) at org.openide.explorer.view.VisualizerNode.getChildren(VisualizerNode.java:244) at org.openide.explorer.view.VisualizerNode.getChildCount(VisualizerNode.java:290) at javax.swing.tree.DefaultTreeModel.getChildCount(DefaultTreeModel.java:168) at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1461) at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1270) at javax.swing.tree.VariableHeightLayoutCache.ensurePathIsExpanded(VariableHeightLayoutCache.java:966) at javax.swing.tree.VariableHeightLayoutCache.setExpandedState(VariableHeightLayoutCache.java:164) at javax.swing.plaf.basic.BasicTreeUI.updateExpandedDescendants(BasicTreeUI.java:1648) at javax.swing.plaf.basic.BasicTreeUI$Handler.treeExpanded(BasicTreeUI.java:3721) at javax.swing.JTree.fireTreeExpanded(JTree.java:2659) at javax.swing.JTree.setExpandedState(JTree.java:3430) at javax.swing.JTree.expandPath(JTree.java:2166) at org.openide.explorer.view.TreeView.expandNode(TreeView.java:541) at org.netbeans.modules.xml.wsdl.ui.netbeans.module.Utility.expandNodes(Utility.java:319) at org.netbeans.modules.xml.wsdl.ui.netbeans.module.Utility.expandNodes(Utility.java:320) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserPanel.initGUI(ElementOrTypeChooserPanel.java:139) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserPanel.(ElementOrTypeChooserPanel.java:96) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserEditorPanel.openSchemaComponentChooser(ElementOrTypeChooserEditorPanel.java:147) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserEditorPanel.browseBtnActionPerformed(ElementOrTypeChooserEditorPanel.java:135) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserEditorPanel.access$000(ElementOrTypeChooserEditorPanel.java:76) at org.netbeans.modules.xml.wsdl.ui.view.ElementOrTypeChooserEditorPanel$1.actionPerformed(ElementOrTypeChooserEditorPanel.java:128) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5806) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4413) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4243) at javax.swing.plaf.basic.BasicTableUI$Handler.repostEvent(BasicTableUI.java:924) at javax.swing.plaf.basic.BasicTableUI$Handler.mouseReleased(BasicTableUI.java:1138) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5806) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4413) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2440) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimeableEventQueue.dispatchEvent(TimeableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177) at java.awt.Dialog$1.run(Dialog.java:1045) at java.awt.Dialog$3.run(Dialog.java:1097) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1095) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:834) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:868) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:856) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:104) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:841) at java.awt.Component.show(Component.java:1422) at java.awt.Component.setVisible(Component.java:1375) at java.awt.Window.setVisible(Window.java:806) at java.awt.Dialog.setVisible(Dialog.java:985) at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:502) at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:369) at org.netbeans.modules.project.ui.actions.NewFile.doPerform(NewFile.java:151) at org.netbeans.modules.project.ui.actions.NewFile.access$200(NewFile.java:82) at org.netbeans.modules.project.ui.actions.NewFile$PopupListener.actionPerformed(NewFile.java:344) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1220) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1261) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5806) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4413) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2440) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimeableEventQueue.dispatchEvent(TimeableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)