大侠们,帮帮我吧!这几天快郁闷死了!
数据操作通用类里有个方法
public ResultSet executeQuery(String sql) throws 
SQLException, 
ClassNotFoundException     {
     	String strDriver="oracle.jdbc.driver.OracleDriver";
     	String strConn="jdbc:oracle:thin:@127.0.0.1:1521:test";
     	String dbUser="system";
     	String dbPwd="123456";
     	Connection connSet = null;
         ResultSet rsSet=null;
         Statement stmtSet=null;
         rs=null;
         try
         {
         	Class.forName(strDriver);    
         	connSet=DriverManager.getConnection(strConn,dbUser,dbPwd);
         	stmtSet=connSet.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
         	rsSet=stmtSet.executeQuery(sql);              
         }
         catch(SQLException ex)
         {             
System.err.println("sql_data.executeQuery:"+ex.getMessage());
             stmtSet.close();
             stmtSet=null;
             rsSet.close();
             rsSet=null;
             connSet.close();
             connSet=null;
         }
         return rsSet;    
     }
JSP里调用
                   	String nlTitle="";
		String nlId="";
	  	String TempCataStr="";
	  	Fun_DB_WEB dbfun=new Fun_DB_WEB();
	  	rs=dbfun.executeQuery("select new_class_title,new_class_id from news_class where new_class_isdel=0 order by new_class_id");
	  	try{
		  	while (rs.next())
		  	{
		  		nlTitle=rs.getString("new_class_title");
		  		nlId=rs.getString("new_class_id");
		  		TempCataStr = TempCataStr+"<img src='images/left_img/join.gif'><a href=newclass.jsp?RootId="+nlId+">"+nlTitle+"</a><br>";			
		  	}
		  	System.err.println("得到栏目:"+nlTitle+"ID:"+nlId+"数据库标题:"+rs.getString("new_class_title"));		  	
	  	}
	  	catch(SQLException ex)
	  	{	  		
	  		System.err.println("获取栏目出错:"+ex);
	  	}
为什么老报 : 获取栏目出错:
java.sql.SQLException: 结果集已耗尽大侠们帮我看看吧,分不够,再加!
------解决方案--------------------while(rs.next()) 退出后,结果集游标已到达末尾,你还调用
rs.getString("new_class_title"),就会发生异常。
------解决方案--------------------System.err.println("得到栏目:"+nlTitle+"ID:"+nlId+"数据库标题:"+rs.getString("new_class_title"));  
这一句不对
还有 你没有关闭RS,CONN
也有问题
------解决方案--------------------你最后没有关闭rs呀,你再仔细看看,打开了rs肯定要关闭的呀,不关闭应该会用尽的呀
------解决方案-------------------- while   (rs.next())  
   {  
   nlTitle=rs.getString("new_class_title");  
   nlId=rs.getString("new_class_id");  
   TempCataStr   =   TempCataStr+" <img   src='images/left_img/join.gif'> <a   href=newclass.jsp?RootId="+nlId+"> "+nlTitle+" </a> <br> ";  
   } //位置不对吧??   
System.err.println("得到栏目:"+nlTitle+"ID:"+nlId+"数据库标题:"+rs.getString("new_class_title"));  
//}是不是应该放在这里呢?,不要两次都取同一个字段,直接用nlTitle就可以了