请教jdbc得简单问题,送分啦
请问Result is closed错误是怎么回事?
比如:
Result rs=Stmt.executeQuery(sql);
while(rs.next()) {
sql1="select ..........";
Result board_rs=Stmt.executeQuery(sql1);
就出现500 servlet exception
java.sql.SQLException: ResultSet is closed
求救!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!