java.lang.OutOfMemoryError: Java heap space
   at java.util.concurrent.locks.ReentrantLock$Sync.newCondition(ReentrantLock.java:168)
   at java.util.concurrent.locks.ReentrantLock.newCondition(ReentrantLock.java:500)
   at javax.swing.TimerQueue.run(TimerQueue.java:192)
   at java.lang.Thread.run(Thread.java:744)