java.lang.NullPointerException at org.openide.filesystems.FileUtil.toFile(FileUtil.java:921) at org.netbeans.modules.portalpack.portlets.genericportlets.frameworks.jsr168.JSR168WebFrameworkProvider.isInWebModule(JSR168WebFrameworkProvider.java:140) at org.netbeans.modules.maven.webframeworks.WebFrameworksPanel.initFrameworksList(WebFrameworksPanel.java:153) at org.netbeans.modules.maven.webframeworks.WebFrameworksPanel.(WebFrameworksPanel.java:103) at org.netbeans.modules.maven.webframeworks.WebFrameworksPanelProvider.createComponent(WebFrameworksPanelProvider.java:77) at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.create(ProjectCustomizer.java:682) at org.netbeans.modules.project.uiapi.CustomizerPane.setCategory(CustomizerPane.java:256) at org.netbeans.modules.project.uiapi.CustomizerPane.access$100(CustomizerPane.java:70) at org.netbeans.modules.project.uiapi.CustomizerPane$CategoryChangeListener.propertyChange(CustomizerPane.java:343) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.netbeans.modules.project.uiapi.CategoryModel.firePropertyChange(CategoryModel.java:115) at org.netbeans.modules.project.uiapi.CategoryModel.setCurrentCategory(CategoryModel.java:89) at org.netbeans.modules.project.uiapi.CategoryView.propertyChange(CategoryView.java:178) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276) at org.openide.explorer.ExplorerManager$2.run(ExplorerManager.java:865) at org.openide.util.Mutex.doEvent(Mutex.java:1335) at org.openide.util.Mutex.readAccess(Mutex.java:345) at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:862) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.fire(ExplorerManager.java:282) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:293) at org.openide.explorer.ExplorerManager$1SetExploredContextAndSelection.run(ExplorerManager.java:381) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.util.Mutex$1R.run(Mutex.java:1301) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1318) at org.openide.util.Mutex.readAccess(Mutex.java:351) at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:408) at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:143) at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:806) at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:1419) at org.openide.util.Mutex$1Exec.run(Mutex.java:1239) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1812) at org.openide.util.Mutex.postRequest(Mutex.java:1245) at org.openide.util.Mutex.postRequest(Mutex.java:1209) at org.openide.util.Mutex.postReadRequest(Mutex.java:565) at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:1389) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:629) at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1078) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:287) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(DefaultTreeSelectionModel.java:170) at javax.swing.JTree.setSelectionPath(JTree.java:1598) at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(BasicTreeUI.java:2311) at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(BasicTreeUI.java:3520) at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressedDND(BasicTreeUI.java:3497) at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressed(BasicTreeUI.java:3456) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:263) at java.awt.Component.processMouseEvent(Component.java:6260) at javax.swing.JComponent.processMouseEvent(JComponent.java:3255) at java.awt.Component.processEvent(Component.java:6028) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4235) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2475) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:125) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178) at java.awt.Dialog$1.run(Dialog.java:1045) at java.awt.Dialog$3.run(Dialog.java:1097) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1095) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:985) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1019) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1007) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:115) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:992) at java.awt.Component.show(Component.java:1563) at java.awt.Component.setVisible(Component.java:1515) at java.awt.Window.setVisible(Window.java:841) at java.awt.Dialog.setVisible(Dialog.java:985) at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:179) at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:138) at org.netbeans.modules.maven.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:133) at org.netbeans.modules.project.ui.actions.CustomizeProject.actionPerformed(CustomizeProject.java:149) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:166) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$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:1223) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1264) at java.awt.Component.processMouseEvent(Component.java:6263) at javax.swing.JComponent.processMouseEvent(JComponent.java:3255) at java.awt.Component.processEvent(Component.java:6028) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2475) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:125) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)