NullPointerException on next()

Using the jdbc 7.1.2 drivers:

Exception in thread "main" java.lang.NullPointerException
         at org.postgresql.jdbc2.ResultSet.next(ResultSet.java:116)

that line is:
  if (++current_row >= rows.size())

--
Joseph Shraibman
jks@selectacast.net
Increase signal to noise ratio.  http://www.targabot.com