Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 807577, 1 year ago
component must be showing on the screen to determine its location
via Oracle Community by 843805, 2 years ago
component must be showing on the screen to determine its location
via Oracle Community by 843805, 2 years 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 Unknown author, 2 years ago
component must be showing on the screen to determine its location
via Stack Overflow by Almira Bojani
, 2 years ago
component must be showing on the screen to determine its location
java.awt.IllegalComponentStateException: component must be showing on the screento 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 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)