java.lang.NullPointerException
   at javax.swing.ImageIcon.<init>(ImageIcon.java:190)
   at org.openide.util.ImageUtilities.image2Icon(ImageUtilities.java:204)
   at org.netbeans.modules.project.ant.AntBasedGenericType.getIcon(AntBasedGenericType.java:91)
   at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.isProject2(AntBasedProjectFactorySingleton.java:200)
   at org.netbeans.api.project.ProjectManager.checkForProject(ProjectManager.java:503)
   at org.netbeans.api.project.ProjectManager.access$600(ProjectManager.java:81)
   at org.netbeans.api.project.ProjectManager$3.run(ProjectManager.java:458)
   at org.netbeans.api.project.ProjectManager$3.run(ProjectManager.java:437)
   at org.openide.util.Mutex.readAccess(Mutex.java:285)
   at org.netbeans.api.project.ProjectManager.isProject2(ProjectManager.java:437)
   at org.netbeans.api.project.ProjectManager.isProject2(ProjectManager.java:421)
   at org.netbeans.modules.project.ui.ProjectChooserAccessory.getProjectResult(ProjectChooserAccessory.java:405)
   at org.netbeans.modules.project.ui.ProjectChooserAccessory.access$900(ProjectChooserAccessory.java:85)
   at org.netbeans.modules.project.ui.ProjectChooserAccessory$ProjectFileView.run(ProjectChooserAccessory.java:644)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1417)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1955)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1455)
   at org.netbeans.modules.project.ui.ProjectChooserAccessory$ProjectFileView.getIcon(ProjectChooserAccessory.java:628)
   at javax.swing.JFileChooser.getIcon(JFileChooser.java:1535)
   at org.netbeans.swing.dirchooser.DirectoryChooserUI$DirectoryTreeRenderer.getNodeIcon(DirectoryChooserUI.java:2417)
   at org.netbeans.swing.dirchooser.DirectoryChooserUI$DirectoryTreeRenderer.getTreeCellRendererComponent(DirectoryChooserUI.java:2401)
   at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2717)
   at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(AbstractLayoutCache.java:475)
   at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:535)
   at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:181)
   at javax.swing.tree.AbstractLayoutCache.getPreferredWidth(AbstractLayoutCache.java:228)
   at javax.swing.plaf.basic.BasicTreeUI.updateCachedPreferredSize(BasicTreeUI.java:1825)
   at javax.swing.plaf.basic.BasicTreeUI.getPreferredSize(BasicTreeUI.java:1926)
   at javax.swing.plaf.basic.BasicTreeUI.getPreferredSize(BasicTreeUI.java:1914)
   at javax.swing.JComponent.getPreferredSize(JComponent.java:1632)
   at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:769)
   at java.awt.Container.layout(Container.java:1398)
   at java.awt.Container.doLayout(Container.java:1387)
   at java.awt.Container.validateTree(Container.java:1485)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validateTree(Container.java:1491)
   at java.awt.Container.validate(Container.java:1457)
   at java.awt.Window.dispatchEventImpl(Window.java:2456)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:133)
   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:1047)
   at java.awt.Dialog$3.run(Dialog.java:1099)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.Dialog.show(Dialog.java:1097)
   at javax.swing.JFileChooser.showDialog(JFileChooser.java:723)
   at javax.swing.JFileChooser.showOpenDialog(JFileChooser.java:626)
   at org.netbeans.modules.project.ui.actions.OpenProject.actionPerformed(OpenProject.java:103)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$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:1225)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266)
   at java.awt.Component.processMouseEvent(Component.java:6134)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
   at java.awt.Component.processEvent(Component.java:5899)
   at java.awt.Container.processEvent(Container.java:2023)
   at java.awt.Component.dispatchEventImpl(Component.java:4501)
   at java.awt.Container.dispatchEventImpl(Container.java:2081)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895)
   at java.awt.Container.dispatchEventImpl(Container.java:2067)
   at java.awt.Window.dispatchEventImpl(Window.java:2458)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:133)
   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)