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$ViewportBorder.paintBorder(SynthScrollPaneUI.java:255)
   at javax.swing.JComponent.paintBorder(JComponent.java:949)
   at javax.swing.JComponent.paint(JComponent.java:1057)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5210)
   at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1579)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1502)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:306)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1272)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5158)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4969)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:831)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:814)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:814)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:789)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:738)
   at javax.swing.RepaintManager.access$1200(RepaintManager.java:64)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1732)
   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)