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via Oracle Community by 807577, 1 year ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Oracle Community by 807577, 1 year ago
Do not use web.add() use web.getContentPane().add() instead
via Google Groups by Tobias Müller, 5 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Stack Overflow by Extorcs
, 6 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Coderanch by Mitchell Mock, 1 year ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
via Google Groups by Fuddzy, 7 months ago
Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead
java.lang.Error: Do not use javax.swing.JFrame.add() use javax.swing.JFrame.getContentPane().add() instead	at javax.swing.JFrame.createRootPaneException(JFrame.java:402)	at javax.swing.JFrame.addImpl(JFrame.java:428)	at java.awt.Container.add(Container.java:267)	at orderproc.mainpage.actionPerformed(mainpage.java:106)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1450)	at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1504)	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:378)	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:250)	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:216)	at java.awt.Component.processMouseEvent(Component.java:3715)	at java.awt.Component.processEvent(Component.java:3544)	at java.awt.Container.processEvent(Container.java:1164)	at java.awt.Component.dispatchEventImpl(Component.java:2593)	at java.awt.Container.dispatchEventImpl(Container.java:1213)	at java.awt.Component.dispatchEvent(Component.java:2497)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2451)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2216)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)	at java.awt.Container.dispatchEventImpl(Container.java:1200)	at java.awt.Component.dispatchEvent(Component.java:2497)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)