java.lang.OutOfMemoryError: Java heap space
   at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
   at com.sun.java.swing.plaf.gtk.GTKEngine.finishPainting(GTKEngine.java:589)
   at com.sun.java.swing.plaf.gtk.GTKEngine.finishPainting(GTKEngine.java:580)
   at com.sun.java.swing.plaf.gtk.GTKPainter.paintViewportBorder(GTKPainter.java:630)
   at javax.swing.plaf.synth.SynthScrollPaneUI$ViewportBorder.paintBorder(SynthScrollPaneUI.java:255)
   at javax.swing.JComponent.paintBorder(JComponent.java:949)
   at javax.swing.JComponent.paint(JComponent.java:1057)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5219)
   at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1572)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1495)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:306)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1265)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5167)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4978)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:824)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:807)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:807)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:782)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:731)
   at javax.swing.RepaintManager.access$1300(RepaintManager.java:64)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1720)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)