VirtualMachine vm1 = (VirtualMachine) MorUtil.createExactManagedEntity(si.getServerConnection(), vm1_mor);
VirtualMachine vm2 = (VirtualMachine) MorUtil.createExactManagedEntity(si.getServerConnection(), vm2_mor);
// make a web service call to set the configuration.
vm1.reconfigVM_Task(vmcs1);
vm2.reconfigVM_Task(vmcs2);
// log out from web service
si.getServerConnection().logout();
System.out.println("Done with setting VM CPU shares.");
}