ictx.bind("cf0", cf0);
ictx.bind("cf1", cf1);
ictx.bind("cf2", cf2);
ClusterConnectionFactory clusterCF = new ClusterConnectionFactory();
clusterCF.addConnectionFactory("server0", cf0);
clusterCF.addConnectionFactory("server1", cf1);
clusterCF.addConnectionFactory("server2", cf2);
ictx.rebind("clusterCF", clusterCF);
Properties prop = new Properties();
prop.setProperty("period","100");
prop.setProperty("producThreshold","25");