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Having caret on DataLoader class name and invoking Alt-F7 I got: java.lang.ArrayIndexOutOfBoundsException: 0 at org.netbeans.modules.refactoring.api.ui.AbstractRefactoringAction.run(AbstractRefactoringAction.java:109) at org.netbeans.modules.refactoring.api.ui.AbstractRefactoringAction.performAction(AbstractRefactoringAction.java:69) at org.netbeans.modules.refactoring.ui.WhereUsedWrapAction.performAction(WhereUsedWrapAction.java:78) at org.netbeans.modules.refactoring.ui.WhereUsedEditorAction.performAction(WhereUsedEditorAction.java:42) at org.openide.util.actions.NodeAction$3.run(NodeAction.java:440) at org.openide.util.actions.CallableSystemAction.doPerformAction(CallableSystemAction.java:116) at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:438) at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:684) at javax.swing.JComponent.processKeyBindings(JComponent.java:2484) at javax.swing.JComponent.processKeyEvent(JComponent.java:2401) at java.awt.Component.processEvent(Component.java:4909) at java.awt.Container.processEvent(Container.java:1569) at java.awt.Component.dispatchEventImpl(Component.java:3615) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Component.dispatchEvent(Component.java:3477) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592) at java.awt.Component.dispatchEventImpl(Component.java:3506) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Window.dispatchEventImpl(Window.java:1606) at java.awt.Component.dispatchEvent(Component.java:3477) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:456) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137) at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
*** This issue has been marked as a duplicate of 44668 ***