java.lang.NullPointerException at org.netbeans.modules.gwt4nb.GWTProjectInfo.readGWTProperty(GWTProjectInfo.java:58) at org.netbeans.modules.gwt4nb.GWTConfigPanel.(GWTConfigPanel.java:54) at org.netbeans.modules.gwt4nb.GWTFrameworkProvider.getConfigurationPanel(GWTFrameworkProvider.java:376) at org.netbeans.modules.web.webmodule.WebModuleExtenderBridge.(WebModuleExtenderBridge.java:76) at org.netbeans.modules.web.webmodule.WebModuleExtenderBridge.create(WebModuleExtenderBridge.java:67) at org.netbeans.modules.web.spi.webmodule.WebFrameworkProvider.createWebModuleExtender(WebFrameworkProvider.java:171) at org.netbeans.modules.web.project.ui.customizer.CustomizerFrameworks.initFrameworksList(CustomizerFrameworks.java:106) at org.netbeans.modules.web.project.ui.customizer.CustomizerFrameworks.(CustomizerFrameworks.java:89) at org.netbeans.modules.web.project.ui.customizer.WebCompositePanelProvider.createComponent(WebCompositePanelProvider.java:152) at org.netbeans.spi.project.ui.support.ProjectCustomizer$DelegateCategoryProvider.create(ProjectCustomizer.java:417) at org.netbeans.modules.project.uiapi.CustomizerPane.setCategory(CustomizerPane.java:240) at org.netbeans.modules.project.uiapi.CustomizerPane.access$100(CustomizerPane.java:65) at org.netbeans.modules.project.uiapi.CustomizerPane$CategoryChangeListener.propertyChange(CustomizerPane.java:295) 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:177) 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:836) at org.openide.util.Mutex.doEvent(Mutex.java:1203) at org.openide.util.Mutex.readAccess(Mutex.java:309) at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:833) at org.openide.explorer.ExplorerManager.access$600(ExplorerManager.java:89) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.fire(ExplorerManager.java:281) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:294) at org.openide.explorer.ExplorerManager$1SetExploredContextAndSelection.run(ExplorerManager.java:380) at org.openide.util.Mutex.readAccess(Mutex.java:318) at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:405) at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:155) at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:752) at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:1320) at org.openide.util.Mutex.postRequest(Mutex.java:1162) at org.openide.util.Mutex.postReadRequest(Mutex.java:495) at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:1291) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:629) at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1078) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:287) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(DefaultTreeSelectionModel.java:170) at javax.swing.JTree.setSelectionPath(JTree.java:1598) at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(BasicTreeUI.java:2311) at javax.swing.plaf.basic.BasicTreeUI$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:262) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262) at java.awt.Component.processMouseEvent(Component.java:6264) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6032) 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:4577) 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:2478) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) 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)