ResultSet rs = pst1.executeQuery();
ArrayList<String> usernames = new ArrayList<String>();
while (rs.next()) {
usernames.add(rs.getString(1));
}
UUIDFetcher uuidFetcher = new UUIDFetcher(usernames);
Map<String, UUID> userMap = null;
try {
userMap = uuidFetcher.call();
} catch (Exception e) {
e.printStackTrace();
}
if (userMap == null) {