@BeforeClass
public static void setUpBeforeClass() throws Exception {
node1 =
SCANodeFactory.newInstance()
.createSCANode("payment.composite",
new SCAContribution("payment", "./target/classes"));
node2 =
SCANodeFactory.newInstance()
.createSCANode("creditcard.composite",
new SCAContribution("creditcard",
"../../contributions/creditcard-payment-jaxb/target/classes"));
node1.start();
node2.start();
}