This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Usually this means that you are not checking the returned result of the ResultSet.next() method. It returns true if there are more elements in the ResultSet, or false if there are none. Most people use code something like:
suppose you make a object of resultset ResulSet rs and you use the code rs.next() to retrieve data from the database if rs.next() returns false then it will throw an exception Resultset has no more data.