java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location

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via Oracle Community by 807577, 1 year ago
component must be showing on the screen to determine its location
via Oracle Community by 843805, 1 year ago
component must be showing on the screen to determine its location
via Oracle Community by 843805, 1 year ago
component must be showing on the screen to determine its location
via Oracle Community by 807587, 1 year ago
component must be showing on the screen to determine its location
via Google Groups by ja...@nospam.com, 2 years ago
component must be showing on the screen to determine its location
java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
at java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:1487)
at java.awt.Component.getLocationOnScreen(Component.java:1461)
at javax.swing.JPopupMenu.show(JPopupMenu.java:864)
at javax.swing.plaf.basic.BasicComboPopup.show(BasicComboPopup.java:177)
at javax.swing.plaf.basic.BasicComboBoxUI.setPopupVisible(BasicComboBoxUI.java:931)
at javax.swing.JComboBox.setPopupVisible(JComboBox.java:789)
at javax.swing.JComboBox.showPopup(JComboBox.java:774)
at undefined.CatDef.mouseClicked(CatDef.java:445)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:208)
at java.awt.Component.processMouseEvent(Component.java:5024)
at java.awt.Component.processEvent(Component.java:4818)
at java.awt.Container.processEvent(Container.java:1380)
at java.awt.Component.dispatchEventImpl(Component.java:3526)
at java.awt.Container.dispatchEventImpl(Container.java:1437)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3214)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2938)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2859)
at java.awt.Container.dispatchEventImpl(Container.java:1423)
at java.awt.Window.dispatchEventImpl(Window.java:1566)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)

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