server.close();
System.out.println("!!shutdow server and sleep 30s, please wait!!");
Thread.sleep(30000);
IConnection server2 = context.bind(null, port);
server2.registerQueue(recvQueue);
System.out.println("!!!!!!!!!!!!!!!!!!!! restart server !!!!!!!!!!!");
TaskMessage recv2 = server2.recv(0);
Assert.assertEquals(req_msg, new String(recv2.message()));