java.lang.NullPointerException at org.netbeans.spi.editor.hints.projects.PerProjectHintsPanelUI.searchEnableDisable(PerProjectHintsPanelUI.java:204) at org.netbeans.spi.editor.hints.projects.PerProjectHintsPanelUI.(PerProjectHintsPanelUI.java:146) at org.netbeans.spi.editor.hints.projects.PerProjectHintsPanel.(PerProjectHintsPanel.java:67) at org.netbeans.spi.editor.hints.projects.PerProjectHintsPanel.create(PerProjectHintsPanel.java:61) at org.netbeans.spi.editor.hints.projects.support.ProjectHintSettingPanel.(ProjectHintSettingPanel.java:91) at org.netbeans.spi.editor.hints.projects.support.ProjectCustomizer.createComponent(ProjectCustomizer.java:91) 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:183) 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$2.run(ExplorerManager.java:891) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEvent(NbMutexEventProvider.java:118) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:93) at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:89) at org.openide.util.Mutex.readAccess(Mutex.java:260) at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:888) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.fire(ExplorerManager.java:294) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:305) at org.openide.explorer.ExplorerManager$1SetExploredContextAndSelection.run(ExplorerManager.java:393) at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:193) at org.netbeans.modules.openide.util.DefaultMutexImplementation$1R.run(DefaultMutexImplementation.java:1037) at org.netbeans.modules.openide.util.DefaultMutexImplementation.doWrapperAccess(DefaultMutexImplementation.java:1054) at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:183) at org.openide.util.Mutex.readAccess(Mutex.java:260) at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:420) at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:149) at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:833) at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:1475) at org.netbeans.modules.openide.util.DefaultMutexImplementation$1Exec.run(DefaultMutexImplementation.java:973) at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1938) at org.netbeans.modules.openide.util.DefaultMutexImplementation.postRequest(DefaultMutexImplementation.java:979) at org.netbeans.modules.openide.util.DefaultMutexImplementation.postRequest(DefaultMutexImplementation.java:942) at org.netbeans.modules.openide.util.DefaultMutexImplementation.postReadRequest(DefaultMutexImplementation.java:308) at org.openide.util.Mutex.postReadRequest(Mutex.java:371) at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:1444) at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:635) at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1093) at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:294) at javax.swing.JTree.setSelectionInterval(JTree.java:2550) at javax.swing.plaf.basic.BasicTreeUI$Actions.increment(BasicTreeUI.java:4359) at javax.swing.plaf.basic.BasicTreeUI$Actions.actionPerformed(BasicTreeUI.java:4040) at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1663) at javax.swing.JComponent.processKeyBinding(JComponent.java:2882) at javax.swing.JComponent.processKeyBindings(JComponent.java:2929) at javax.swing.JComponent.processKeyEvent(JComponent.java:2845) at org.openide.explorer.view.TreeView$ExplorerTree.processKeyEvent(TreeView.java:1895) at java.awt.Component.processEvent(Component.java:6310) at java.awt.Container.processEvent(Container.java:2236) at java.awt.Component.dispatchEventImpl(Component.java:4889) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771) at java.awt.Component.dispatchEventImpl(Component.java:4760) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)