java.lang.NullPointerException at org.netbeans.modules.db.sql.visualeditor.querybuilder.QueryBuilder.open(QueryBuilder.java:193) at org.netbeans.modules.db.sql.visualeditor.api.VisualSQLEditor.open(VisualSQLEditor.java:92) at org.netbeans.modules.visualweb.dataconnectivity.customizers.SqlCommandCustomizer.getCustomizerPanel(SqlCommandCustomizer.java:187) at org.netbeans.modules.visualweb.insync.live.DesignBeanNode.invokeCustomizer(DesignBeanNode.java:1229) at org.netbeans.modules.visualweb.insync.live.CustomizeAction.performAction(CustomizeAction.java:107) at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77) at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:577) at org.netbeans.modules.visualweb.insync.live.CustomizeAction$DelegateAction.actionPerformed(CustomizeAction.java:140) at org.openide.explorer.view.TreeView$PopupSupport.mouseClicked(TreeView.java:1492) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252) at java.awt.Component.processMouseEvent(Component.java:6219) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5981) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4583) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4413) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4556) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4229) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4150) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2475) at java.awt.Component.dispatchEvent(Component.java:4413) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) 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)