List list = cRLIssuerSearch(selector, attrs, attrNames,
issuerAttributeNames);
Set resultSet = createCRLs(list, selector);
if (resultSet.size() == 0)
{
X509CRLStoreSelector emptySelector = new X509CRLStoreSelector();
list = cRLIssuerSearch(emptySelector, attrs, attrNames,
issuerAttributeNames);
resultSet.addAll(createCRLs(list, selector));
}