configuration.setURI("node1");
configuration.addContribution("c1", "./target/classes");
configuration.addDeploymentComposite("c1","CallBackService.composite");
//node1 = factory.createNode("CallBackService.composite", new Contribution("c1", "./target/classes"));
node1 = factory.createNode(configuration);
node1.start();
configuration = factory.createNodeConfiguration();
configuration.setDomainURI("tuscany:default");
configuration.setURI("node2");