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

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via Oracle Community by 807596, 1 year ago
component must be showing on the screen to determine its location
via Oracle Community by 007, 1 year ago
component must be showing on the screen to determine its location at java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:1680 )
via Google Groups by Dirk Wenke, 2 years ago
component must be showing on the screen to determine its location
via nabble.com by Unknown author, 1 year ago
component > java.awt.Label not showing
via Google Groups by David Berrebi, 2 years ago
component must be showing on the screen to determine its location
via Google Groups by Jean-François Morin, 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(Component.java:746)
at javax.swing.JPopupMenu.show(JPopupMenu.java:919)
at javax.swing.plaf.basic.BasicComboPopup.show(BasicComboPopup.java:118)
at javax.swing.plaf.basic.BasicComboBoxUI.setPopupVisible(BasicComboBoxUI.java:822)
at mlXmlAppend.Frame1.initComponents(Frame1.java:155)
at mlXmlAppend.XmlAppend.(XmlAppend.java:22)
at mlXmlAppend.XmlAppend.main(XmlAppend.java:34)
at sun.tools.debug.MainThread.run(Agent.java:47)

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