uf.reset();
middleware.executeQuery(id, qf, "3th client "+item+" QUERY execute");
while(!qf.isDone()) { Thread.yield(); }
qf.getResult();
qf.reset();
middleware.executeUpdate(id, uf, "second client "+item+" UPDATE execute");
while(!uf.isDone()) { Thread.yield(); }
uf.getResult();
uf.reset();