} else if (model.containsKey(viewName)) {
answer = model.get(viewName);
} else {
- throw new ArgeoException(
- "Model has a size different from 1. Specify a modelKey.");
+ if (model.size() == 0)
+ throw new ArgeoException("Model is empty.");
+ else
+ throw new ArgeoException(
+ "Model has a size different from 1. Specify a modelKey.");
}
if ((answer instanceof ServerAnswer) && serverAnswersAsHtml) {