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via Oracle Community by 807577, 1 year ago
java.lang.NullPointerException: 	at undefined.swarmCanvas.paint(	at sun.awt.RepaintArea.paint(	at	at java.awt.Component.dispatchEventImpl(	at java.awt.Component.dispatchEvent(	at java.awt.EventQueue.dispatchEvent(	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(	at java.awt.EventDispatchThread.pumpEventsForHierarchy(	at java.awt.EventDispatchThread.pumpEvents(	at