File appDescriptor = new File((new URL(descriptorPath)).toURI().getPath());
GCMApplication gcmad;
gcmad = PAGCMDeployment.loadApplicationDescriptor(appDescriptor);
gcmad.startDeployment();
gcmad.waitReady();
GCMVirtualNode VN1 = gcmad.getVirtualNode("VN1");
GCMVirtualNode VN2 = gcmad.getVirtualNode("VN2");
VN1.waitReady();
VN2.waitReady();