jdbc driver, error trapping.

I might have missed the obvious, but currently having the following
behaviour.

If I run the following java code,

try{
ResultSet rs = stmt.executeQuery("select blah from blah");
while(rs.next())
{
System.out.println("result = "+rs.getString("blah") );
}
rs.close();
}catch (Exception ex)
{
System.out.println("error="+ex.toString() );
}

on a table that has NO records in it, I get an error thrown 'No results were
returned by the query'. I would like to keep the try catch blocks since

1. I am converting from Oracle backend which works fine otherwise.
2. some of my sql is dynamically generated, hence the try catch normally
only picks up bad sql.

any suggestions?? It's late and I'm prol not thinking straight...

(ps: using postgresql-7.0.-3, jdk1.1.8, postgresql-jdbc-7.0-3 installed via
rpm's.)
Mat.

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