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When we Clean & Build two projects simultaneously, there is two tab in the output window. If you close the second tab, the following exception occurs : java.lang.ArrayIndexOutOfBoundsException: 3 >= 3 at java.util.Vector.elementAt(Vector.java:431) at javax.swing.JTabbedPane.getComponentAt(JTabbedPane.java:1201) at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.layoutContainer(BasicTabbedPaneUI.java:2392) at java.awt.Container.layout(Container.java:1419) at java.awt.Container.doLayout(Container.java:1408) at java.awt.Container.validateTree(Container.java:1491) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validateTree(Container.java:1498) at java.awt.Container.validate(Container.java:1466) at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:626) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:127) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:598) [catch] 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)
i suppose you were using a jdk 1.6 build? looks like aq duplicate of #75955, should be fixed/workarounded in trunk and 5.5 branch. *** This issue has been marked as a duplicate of 75955 ***