return "upgrading vm: " + getId() + " to service offering: " + getServiceOfferingId();
}
@Override
public void execute(){
UserVm result;
try {
result = _userVmService.upgradeVirtualMachine(this);
} catch (ResourceUnavailableException ex) {
s_logger.warn("Exception: ", ex);
throw new ServerApiException(ApiErrorCode.RESOURCE_UNAVAILABLE_ERROR, ex.getMessage());