});
long timeout = relation4.getCurrent().getOptions().getMaxAge();
try { Thread.sleep(6*1000); } catch (InterruptedException e) { }
System.out.println("---------------\nReboot Server");
CoapClient clientStimulus = new CoapClient(uri + "/obs-reset");
clientStimulus.post("sesame", MediaTypeRegistry.TEXT_PLAIN);
try { Thread.sleep((timeout+6)*1000); } catch (InterruptedException e) { }
relation4.proactiveCancel();
try { Thread.sleep(2*1000); } catch (InterruptedException e) { }
client.setURI(uri + "/obs-large");