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Exceptions throw when import Eclipse project. java.lang.IllegalArgumentException: defaultCloseOperation must be one of: DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE, or DISPOSE_ON_CLOSE at javax.swing.JDialog.setDefaultCloseOperation(JDialog.java:486) at org.netbeans.modules.projectimport.eclipse.ImportProjectAction.performAction(ImportProjectAction.java:66) at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:94) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:47) at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:90) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1863) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2183) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:377) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:232) at javax.swing.AbstractButton.doClick(AbstractButton.java:302) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1135) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1176) at java.awt.Component.processMouseEvent(Component.java:5907) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:5672) at java.awt.Container.processEvent(Container.java:1960) at java.awt.Component.dispatchEventImpl(Component.java:4346) at java.awt.Container.dispatchEventImpl(Container.java:2018) at java.awt.Component.dispatchEvent(Component.java:4180) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4222) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3886) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3816) at java.awt.Container.dispatchEventImpl(Container.java:2004) at java.awt.Window.dispatchEventImpl(Window.java:2101) at java.awt.Component.dispatchEvent(Component.java:4180) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
*** This issue has been marked as a duplicate of 62777 ***