daremi

I have removed the rest eight registers from the code above to make it shorter.

Thanks for ideas. Added code: ``` System.out.println("before slave.isListening()"); if (slave.isListening()) { Runtime.getRuntime().addShutdownHook(new Thread() { @Override public void run() { synchronized (slave) { slave.notifyAll(); } } }); synchronized (slave) { slave.wait();...