hi to all,
please any one help me .....i am trying to export some data to excel
file...while doing this i am getting following exception....recently i was
done clustering with jboss and apache...then onwards i am getting this
error
Here is the stack trace.......
Servlet.service() for servlet action threw exception:
java.lang.IllegalStateException: getOutputStream() has already been called
for this response
at org.apache.catalina.connector.Response.getWriter(Response.java:598)
[:6.1.0.Final]
at
org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:199)
[:6.1.0.Final]
at
org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)
[:6.1.0.Final]
at
org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)
[:6.1.0.Final]
at
org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:188)
[:6.1.0.Final]
at
org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:117)
[:6.1.0.Final]
at
org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:76)
[:6.1.0.Final]
at
org.apache.jsp.pages.MozartCostLoginAdmin_jsp._jspService(MozartCostLoginAdmin_jsp.java:86)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
[:6.1.0.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
[:1.0.0.Final]
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)
[:6.1.0.Final]
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326)
[:6.1.0.Final]
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:253)
[:6.1.0.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
[:1.0.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:734)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:541)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:479)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:407)
[:6.1.0.Final]
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
[:1.2.7]
at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
[:1.2.7]
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
[:1.2.7]
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
[:1.2.7]
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
[:1.2.7]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
[:1.0.0.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
[:1.0.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
[:6.1.0.Final]
at
com.zyom.security.LoginMonitorFilter.doFilter(LoginMonitorFilter.java:67)
[:]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)
[:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)
[:6.1.0.Final]
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
[:6.1.0.Final]
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
[:6.1.0.Final]
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181)
[:6.1.0.Final]
at
org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285)
[:1.1.0.Final]
at
org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261)
[:1.1.0.Final]
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88)
[:6.1.0.Final]
at
org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100)
[:6.1.0.Final]
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
[:6.1.0.Final]
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
[:6.1.0.Final]
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
[:6.1.0.Final]
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
[:6.1.0.Final]
at
org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53)
[:6.1.0.Final]
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362)
[:6.1.0.Final]
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:504)
[:6.1.0.Final]
at
org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:437)
[:6.1.0.Final]
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)
[:6.1.0.Final]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_13]
here is my jsp file-------->
<%@ page
import="com.zyom.webclient.util.MozartCostUtils,java.util.*,com.zyom.struts.form.AtsRegionsForm,com.zyom.struts.form.MapCustomerForm,com.zyom.reuse.util.DateHandler,com.zyom.webclient.util.MozartConstants"%>
<%@ page language="java" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean";
prefix="bean"%>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-html";
prefix="html"%>
<title>JSP for UserLoginForm form</title>
</head>
<body>
<bean:message key="ats.channeldemand"
/>→<bean:message
key="ats.customersetup" />→RegionCustomerUserMap→
<% if ((MozartCostUtils.isFirefox(request)))
{
%>
<br>
<%} %>
<%
String finditem="";
if(request.getAttribute("finditem")!=null)
finditem=request.getAttribute("finditem").toString();
String finditem1="";
if(request.getAttribute("finditem1")!=null)
finditem1=request.getAttribute("finditem1").toString();
%>
Review Sales Regions, Roles
Mapped to Regions (Exec, Cust User,
ApAdm), Customer related data # Help <br>
<td nowrap="nowrap"
class="loggedinlabel"
valign="bottom" nowrap="nowrap">
<form method="post"
action="regionCustUserMap.do">
<input type="text"
class="loggedin"
value="<%=finditem %>" name="search">
<input type="hidden" name="method"
value="FindCustomer"> <input type="submit" class="loggedinlabel"
title="Find By Customer" value="Find Customer">
</form>
<td nowrap="nowrap"
class="loggedinlabel"
valign="bottom" nowrap="nowrap">
<form method="post"
action="regionCustUserMap.do">
<input
type="text" class="loggedin"
value="<%=finditem1%>" name="search1">
<input type="hidden" name="method" value="Find">
<input type="submit" class="loggedinlabel" title="Find By SalesID"
value="Find SalesID">
</form>
<html:form action="regionCustUserMap.do">
<td nowrap="nowrap"
class="loggedinlabel"
nowrap="nowrap">
<bean:message key="gloabl.asof" />
<td nowrap="nowrap"
align="left"
class="loggedin" nowrap="nowrap">
<%=(DateHandler.getDateInSpecifiedFormat(
new java.util.Date(),
MozartConstants.MOZART_DATE_FORMAT))%>
Select SalesRegion:
<td nowrap="nowrap"
class="loggedinlabel"
nowrap="nowrap">
<html:select styleClass="loggedin"
onchange="filter_region()"
styleId="regid" property="regid">
<html:option
value="0">ALL</html:option>
<html:options
collection="regions_list" property="id"
labelProperty="name" ></html:options>
</html:select>
</html:form>
<%
String divStyle =
"style=\"overflow:auto;height:550;width:1030;\"";
String tBodyStyle =
"style=\"overflow:auto;overflow-x:hidden;\"";
if ((MozartCostUtils.isFirefox(request))) {
divStyle =
"style=\"overflow:auto;height:550;width:1030;\"";
tBodyStyle =
"style=\"overflow:auto;overflow-x:hidden;height:200;\"";
}
%>
<hr size="1" width="100%" noshade>
<html:form action="regionCustUserMapXl.do">
<input
alt="Press GO, Then click Export to Excel" name="CVS"
class="loggedinlabel"
type="image" value="Export Excel" src="images/xls.gif"
onmouseover="Tip('Press Click Export to Excel')" />
</html:form>
<html:form action="regionCustUserMap.do">
<div class="autoHeight" style="width:900px;height:1515px;margin-top:10px;
margin-bottom:10px;">
<%-- class="tablesorter" --%>
Sales Region
ROLES MAPPED AT REGION LEVEL (ALL EXCEPT SALES ID)
Customer
Country
Sales ID
<%ArrayList cust_list=(ArrayList)request.getAttribute("cust_list");
for (int i = 0; i < cust_list.size(); i++) {
MapCustomerForm mcf=(MapCustomerForm)cust_list.get(i);%>
<TR class="<% if(i%2==0){%><%=""%><%}else{%><%="odd"%><%}%>">
<%=mcf.getRegion()%>
<td
width="408" width="40">
<%=mcf.getUser_names()
%>
<%=mcf.getCustomer()%>
<%=mcf.getLocation()%>
<%=mcf.getSalesid()%>
<%} %>
</div>
</html:form>
</body>
</html>
following is action class code....
package com.zyom.struts.ats.action;
import java.io.File;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import jxl.Workbook;
import jxl.write.Colour;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DownloadAction;
import org.apache.struts.actions.DownloadAction.ResourceStreamInfo;
import org.apache.struts.actions.DownloadAction.StreamInfo;
import com.zyom.reuse.util.DateHandler;
import com.zyom.struts.form.CmForm;
import com.zyom.struts.form.DemandFGForm;
import com.zyom.webclient.util.DBHelper;
import com.zyom.webclient.util.AtsHelper;
import com.zyom.webclient.util.DemandSupplyItem;
import com.zyom.webclient.util.MozartCostUtils;
import com.zyom.struts.form.MapCustomerForm;
public class RegionCustUserMapXlAction extends DownloadAction {
protected StreamInfo getStreamInfo(ActionMapping mapping, ActionForm
form,
HttpServletRequest request, HttpServletResponse
response)
throws Exception {
Date currentDatetime = new Date(System.currentTimeMillis());
SimpleDateFormat formatter = new
SimpleDateFormat("MM-dd-yyyy-HH-mm");
String myDate = formatter.format(currentDatetime);
String myDate1 = formatter.format(currentDatetime);
String fileName = "RegCustUsrMap_"+myDate+".xls";
String contentType = "application/vnd.ms-excel";
ServletContext servletCtx = this.servlet.getServletContext();
try{
String path = servletCtx.getRealPath(fileName);
WritableWorkbook workbook = Workbook.createWorkbook(new
File(path));
HttpSession session = request.getSession(true);
List cust_list=new ArrayList();
cust_list=(ArrayList)session.getAttribute("cust_list");
jxl.write.Number num;
Calendar stDate = Calendar.getInstance();
Calendar endDate = Calendar.getInstance();
String temp = "";
SimpleDateFormat formatter1 = new
SimpleDateFormat("MMM-dd,yyyy");
WritableSheet sheet =
workbook.createSheet("RegCustUsrMap_"+myDate1, 1);
WritableFont arial10font = new
WritableFont(WritableFont.ARIAL, 10);
WritableCellFormat arial10format = new
WritableCellFormat (arial10font);
// sheet.mergeCells(0,0,2,0);
WritableFont times16font = new
WritableFont(WritableFont.TIMES, 10,
WritableFont.BOLD, true);
WritableCellFormat times16format = new
WritableCellFormat (times16font);
times16format.setAlignment(jxl.format.Alignment.CENTRE);
// times16format.setBackground(Colour.BLUE);
times16format.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.MEDIUM,Colour.BLACK);
WritableFont datafont = new
WritableFont(WritableFont.ARIAL , 10);
WritableFont datafont1 = new
WritableFont(WritableFont.ARIAL , 10);
WritableFont datafont2 = new
WritableFont(WritableFont.ARIAL , 10);
datafont1.setColour(Colour.BLUE);
datafont2.setColour(Colour.RED);
datafont.setColour(Colour.BLACK);
WritableCellFormat dataformat = new WritableCellFormat
(datafont2);
WritableCellFormat dataformatApproved = new
WritableCellFormat
(datafont);
WritableCellFormat dataformatnotApproved = new
WritableCellFormat
(datafont1);
WritableCellFormat dataformatApproved1 = new
WritableCellFormat
(datafont);
dataformat.setAlignment(jxl.format.Alignment.LEFT);
dataformatApproved.setAlignment(jxl.format.Alignment.LEFT);
dataformatnotApproved.setAlignment(jxl.format.Alignment.LEFT);
dataformatApproved.setBackground(jxl.format.Colour.YELLOW);
dataformatApproved1.setAlignment(jxl.format.Alignment.LEFT);
dataformatApproved1.setBackground(jxl.format.Colour.BRIGHT_GREEN);
// times16format.setBackground(Colour.BLUE);
dataformatApproved.setBorder(jxl.format.Border.ALL ,
jxl.format.BorderLineStyle.MEDIUM_DASHED ,Colour.BLACK);
dataformatApproved1.setBorder(jxl.format.Border.ALL ,
jxl.format.BorderLineStyle.MEDIUM_DASHED ,Colour.BLACK);
Label label = new Label(0, 0, "Region Customer User
Map",arial10format);
sheet.addCell(label);
label=new Label(0,2,"As of: ",arial10format);
sheet.addCell(label);
label=new
Label(1,2,DateHandler.getTodaysDate(),arial10format);
sheet.addCell(label);
int i=0;
int j=3;
j++;
label = new Label(i, j, "Sales Region" ,times16format);
sheet.addCell(label);
i++;
label = new Label(i, j, "ROLES MAPPED AT REGION LEVEL
(ALL EXCEPT SALES
ID)" ,times16format);
sheet.addCell(label);
i++;
label = new Label(i, j, "Customer" ,times16format);
sheet.addCell(label);
i++;
label = new Label(i, j, "Country" ,times16format);
sheet.addCell(label);
i++;
label = new Label(i, j, "Sales Id" ,times16format);
sheet.addCell(label);
i++;
while(endDate.after(stDate)){
label = new Label(i, j, formatter1.format(new
java.util.Date(stDate.getTimeInMillis())) ,times16format);
sheet.addCell(label);
i++;
stDate.add(Calendar.DATE, 7);
}
for (int count = 0; count < cust_list.size(); count++) {
MapCustomerForm mapCustomerForm=new MapCustomerForm();
mapCustomerForm = (MapCustomerForm)
cust_list.get(count);
j++;
i=0;
label = new Label(i, j,
mapCustomerForm.getRegion(),arial10format);
sheet.addCell(label);
i++;
label = new Label(i, j,
mapCustomerForm.getUser_names(),arial10format);
sheet.addCell(label);
i++;
label = new Label(i,
j,mapCustomerForm.getCustomer(),arial10format);
sheet.addCell(label);
i++;
label = new Label(i, j,
mapCustomerForm.getLocation(),arial10format);
sheet.addCell(label);
i++;
label = new Label(i,
j,mapCustomerForm.getSalesid(),arial10format);
sheet.addCell(label);
i++;
}
j=j+2;
workbook.write();
workbook.close();
}catch(Exception e){
System.out.print(e);
}
response.setHeader("Content-disposition",
"attachment;filename="+ fileName
);
return new ResourceStreamInfo(contentType, servletCtx,
fileName);
}
}
Thanks in advance....
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