初始使用WEBLOGIC在TOMCAT下可以运行的WAR在WEBLOGIC下报错，帮我看下到底是说明错

Question

我用了JASPERREPORT了，在TOMCAT下完全可以运行，无错，在WEBLOGIC下就出了上述的错误了

Answer 1

附上代码
<%@include file="../gy/cldchecklgsub.jsp"%>
<%@include file="../gy/cldpage.jsp"%>
<%@include file="../gy/clddbpara.jsp"%>
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="net.sf.jasperreports.engine.*"%>
<%@ page import="net.sf.jasperreports.engine.util.*" %> 
<%@ page import="net.sf.jasperreports.engine.export.*" %> 
<%@ page import="net.sf.jasperreports.engine.JasperFillManager" %>
<%@ page import="net.sf.jasperreports.engine.JasperPrint"%>
<%@ page import="net.sf.jasperreports.engine.JRException"%>
<%@ page import="net.sf.jasperreports.engine.JasperRunManager"%>
<%@ page import="net.sf.jasperreports.engine.JRExporterParameter"%>
<%@ page import="net.sf.jasperreports.engine.export.JRXlsExporterParameter"%>
<%@ page import="net.sf.jasperreports.engine.export.JRXlsExporter"%>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.sql.*" %>
<%@ page import="java.text.*"%>
<%@ page import="javax.naming.*" %> 
 <jsp:useBean id = "bnLoginUser" scope="page" class="gypckg.CUser"/>
 
 <% 
bnLoginUser = (gypckg.CUser)session.getAttribute("loginuser"); 
String username = bnLoginUser.getUsername();
String rgreportfiletype = request.getParameter("rgreportfiletype");
String unitlen = request.getParameter("unitlen");
String unitname = request.getParameter("unitname");
String rowname = null;if(unitlen.equals("2"))
    {rowname="一级分行保卫管理人员基本情况统计表";}
if(unitlen.equals("4"))
    {rowname=unitname + "、综合型城区支行保卫管理人员基本情况统计表";}    
if(unitlen.equals("6"))
     {rowname="二级分行保卫管理人员基本情况统计表";}
File exe_rpt = new File(application.getRealPath("/bbsc/report001.jasper"));
if ( !exe_rpt.exists() )
    response.sendRedirect("../gy/errorfile.jsp");
CDbConnection mDBConnecton = new CDbConnection(DBCLASSFORNAME,DBURL,DBUSER,DBPWD);
Connection conn = mDBConnecton.getConn(); //close conn
if(null != conn)
{
    try
    {  
        Map parameters = new HashMap();
        parameters.put("username",username);
        parameters.put("rowname",rowname);
        if (rgreportfiletype.equals("pdf") || rgreportfiletype.equals("PDF") )
        { 
            JasperPrint jasperPrint = JasperFillManager.fillReport(exe_rpt.getPath(), parameters, conn); 
            JRExporter exporter = null;            
            exporter = new JRPdfExporter(); 
            response.setContentType("application/pdf");             
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); 
            exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "GBK"); 
            //exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, response.getOutputStream()); 
                        
            ByteArrayOutputStream byOutStrm = new ByteArrayOutputStream();            
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, byOutStrm); 
            exporter.exportReport();                    
            byte[] bytes;
            bytes = byOutStrm.toByteArray();
            java.util.Date dtNowTime = new java.util.Date();
            SimpleDateFormat dtFrmt = new SimpleDateFormat("yyyyMMddHHmmss");
            String strFileID = "Report001T" + dtFrmt.format(dtNowTime);
            String strFileName = "attachment;filename="+strFileID+".pdf";
            response.setHeader("Content-disposition",strFileName);
            response.setContentLength(bytes.length);
            ServletOutputStream ouputStream = response.getOutputStream();
            ouputStream.write(bytes, 0, bytes.length);
            ouputStream.flush();
            ouputStream.close();   
        } 
        else if (rgreportfiletype.equals("xls") || rgreportfiletype.equals("XLS") )
        { 
            JasperPrint jasperPrint = JasperFillManager.fillReport(exe_rpt.getPath(), parameters, conn); 
            JRExporter exporter = null;
                                 
            exporter = new JRXlsExporter(); 
            response.setContentType("application/vnd.ms-excel");    
            //exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS,Boolean.TRUE); // 删除记录最下面的空行
            //exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET,Boolean.FALSE);// 删除多余的ColumnHeader
            //exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND,Boolean.FALSE);// 显示边框               
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); 
            exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "GBK"); 
            
            ByteArrayOutputStream byOutStrm = new ByteArrayOutputStream();            
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, byOutStrm); 
            exporter.exportReport();                    
            byte[] bytes;
            bytes = byOutStrm.toByteArray();
            java.util.Date dtNowTime = new java.util.Date();
            SimpleDateFormat dtFrmt = new SimpleDateFormat("yyyyMMddHHmmss");
            String strFileID = "Report001T" + dtFrmt.format(dtNowTime);
            String strFileName = "attachment;filename="+strFileID+".xls";
            response.setHeader("Content-disposition",strFileName);
            response.setContentLength(bytes.length);
            ServletOutputStream ouputStream = response.getOutputStream();
            ouputStream.write(bytes, 0, bytes.length);
            ouputStream.flush();
            ouputStream.close();  
        }        
        else if (rgreportfiletype.equals("html") || rgreportfiletype.equals("HTML") )
        { 
            JasperPrint jasperPrint = JasperFillManager.fillReport(exe_rpt.getPath(), parameters, conn); 
            JRExporter exporter = null;
            
            exporter = new JRHtmlExporter(); 
            exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE); 
              
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint); 
            exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "GBK"); 
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, response.getOutputStream()); 
            exporter.exportReport();   
        } 
    }//try
    catch(Exception e)
    {     
        conn.close();      
        response.sendRedirect("../gy/errorconn.jsp");
    } 
    if ( !conn.isClosed() )
        conn.close();  
}//if conn
else
    response.sendRedirect("../gy/errorconn.jsp");  
 %>