Thread #7: queue was closed
Thread #9: queue was closed
Thread #2: queue was closed
Thread #6: queue was closed
Thread #8: queue was closed
Thread #5: queue was closed
Thread #1: queue was closed
Thread #4: queue was closed
Exception in thread "WriterThread" java.lang.OutOfMemoryError: Java heap space
QueueTest.Writer.run(): exception=java.lang.OutOfMemoryError: Java heap space