}
private void sendHeartbeat(Address target) {
if (target == null) return;
try {
node.nodeEngine.getOperationService().send(new HeartbeatOperation(), target);
} catch (Exception e) {
if (logger.isFinestEnabled()) {
logger.finest("Error while sending heartbeat -> "
+ e.getClass().getName() + "[" + e.getMessage() + "]");
}