java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.TreeMap.put(TreeMap.java:540)
   at sun.awt.X11.XToolkit.schedule(XToolkit.java:1911)
   at sun.awt.X11.XClipboard$CheckChangeTimerTask.run(XClipboard.java:193)
   at sun.awt.X11.XToolkit.callTimeoutTasks(XToolkit.java:1967)
   at sun.awt.X11.XToolkit.run(XToolkit.java:561)
   at sun.awt.X11.XToolkit.run(XToolkit.java:532)
   at java.lang.Thread.run(Thread.java:745)