how to solve excel error in jsp page

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JSP

i want to export huge records to excel file . When i export until 30000 records , the function is ok. But when i export more than 40000 records in doExport(response.getOutputStream()), Invalid row number (-32768) outside allowable range error is occoured. how to solve this problem in JSP .The code is the following

if	((status!=null ) && (status.equals("download"))){
		double amnt=0.0,amnt1=0.0,amnt2=0.0,amnt3=0.0,amnt4=0.0;
		long start = System.currentTimeMillis();
		String filename = app.getString("button.TransactionInquiry")+App.getCurDateStr()+".xls";
		filename= new String(filename.getBytes("GBK"),"ISO8859-1");

		response.setContentType("application/vnd.ms-excel");
		response.setHeader("Content-disposition","attachment; filename="+filename);
		PoiExcelView ev=new PoiExcelView();
		ev.init();
		
		
		ev.addHead(app.getString("button.TransactionInquiry"));
		ev.addRowField(app.getString("label.DateTime"));
		
		if("".equals(format)){
					ev.addRowField(ccas.App.transDateFormat(App.getCurDateStr(8).toString(),"yyyyMMdd",ccas.App.getString("format.date")));
				}else{
					ev.addRowField(ccas.App.transDateFormat(App.getCurDateStr(8).toString(),"yyyyMMdd",format));
		}
		ev.addRow();

		ev.addRowField(app.getString("label.SN"));
		ev.addRowField(app.getString("label.TranxDate"));
		ev.addRowField(app.getString("label.TranxType"));
		
		
		ev.addRowField(app.getString("label.AcquiryBank"));
		ev.addRowField(app.getString("label.IssueBank"));
		
		
		ev.addRowField(app.getString("label.CardNumber"));
		ev.addRowField(app.getString("label.TranxAmount")+"/"+app.getString("label.Currency"));
		ev.addRowField(app.getString("label.Fee"));
		
		ev.addRowField(app.getString("label.RefNo"));
		ev.addRowField(app.getString("label.TraceNo"));
		ev.addRowField(app.getString("label.2Track"));
		ev.addRowField(app.getString("title.ResponseCode"));
		ev.addRowField(app.getString("label.ApprovalCode"));
		ev.addRowField(app.getString("label.Status"));
		ev.addRowField(app.getString("label.SettleFlag"));
		ev.addRowField(app.getString("label.BatchNumber"));
		ev.addRow();
		
		Collection	interfaceInfos=(Collection)mysql.select(tablename,where);
		Iterator		it=interfaceInfos.iterator();
		

		int			i = 0;
		int			rowNum = obInterface.getRowNum();
		String	prefix = new java.io.File(application.getRealPath(request.getRequestURI())).getParent()+"/../include/id.xml";

		for(i=0;i<rowNum&&it.hasNext();i++)
		{
			temp =	(ObInterface)it.next();
			
			try	{mysql.getRow("T_TXNTYPE","I_TXNID="+temp.getInt("i_txnid")+"");}	catch(Exception e)	{obInterface.set("M_ACTXNNAME",temp.getString("i_txnid"));};
			try	{mysql.getRow("E001","CYNO='"+temp.get("c_fundtype")+"' or CYCD='"+temp.get("c_fundtype")+"'");}	catch(Exception e)	{obInterface.set("cycd",temp.getString("c_fundtype"));};

			ev.addRowField(i+1);
			
			if("".equals(format)){
					ev.addRowField(ccas.App.transDateFormat(temp.get("C_DATE").toString().substring(0,8),"yyyyMMdd",ccas.App.getString("format.date")));
				}else{
					ev.addRowField(ccas.App.transDateFormat(temp.get("C_DATE").toString().substring(0,8),"yyyyMMdd",format));
				}
			ev.addRowField(obInterface.getDefault("M_ACTXNNAME"," "));
			ev.addRowField(temp.get("C_ACQUIRCODE"));
			ev.addRowField(temp.get("C_ISSUERCODE"));
			ev.addRowField(temp.get("c_pan"));
			ev.addRowField(app.transAmountFormat(temp.getDouble("I_TXNAMOUNT"),temp.getString("C_FUNDTYPE"))+" "+obInterface.get("cycd"));
			ev.addRowField(app.transAmountFormat(temp.getDouble("i_transfee"),temp.getString("C_FUNDTYPE")));
			ev.addRowField(temp.get("c_retriverefno"));
			ev.addRowField(temp.get("c_traceno"));
			
			ev.addRowField(temp.get("c_track2"));
			ev.addRowField(temp.get("c_respcode"));
			ev.addRowField(temp.get("c_authorcode"));
			ev.addRowField(temp.get("I_SETTFLAG"));
			
			ev.addRowField(temp.get("i_settflag"));
			
			ev.addRowField(temp.get("c_batchnum"));  
			ev.addRow();
			amnt +=temp.getDouble("i_txnamount");
			amnt1+=temp.getDouble("i_transfee");
			amnt2+=temp.getTsam2();
			amnt3+=temp.getTsam3();
			amnt4+=temp.getTsam4();
		}

		ev.addRow();
		ev.addRowField("");
		ev.addRowField("");
		ev.addRowField("");
		ev.addRowField("Total");
		ev.addRowField(i);
		ev.addRowField("");
		ev.addRowField(app.transAmountFormat(amnt,obInterface.getCyno()));
		ev.addRowField(app.transAmountFormat(amnt1,obInterface.getCyno()));

		ev.addRow();
		ev.addRow();
		ev.addRowField("");
		ev.addRowField("Download Time:");
		ev.addRowField((System.currentTimeMillis() - start)/1000.00);
		ev.addRowField("Second");
		ev.addRow();

		ev.doExport(response.getOutputStream());