Imagine you are the connector-code Someone has called getOutputStream to write (some Thread Local data) to your HttpServletResponse object then the call to getOutputStream (to the same thread) of HttpServletResponse is called AGAIN Which OutputStream is the connector supposed to write (its Thread Local Data) to HttpServletResponse?
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Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung fuer den Inhalt uebernehmen. > Date: Mon, 3 Sep 2012 23:25:40 -0700 > From: tammi...@gmail.com > To: user@struts.apache.org > Subject: getOutputStream() has already been called for this response > > 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.... > > > > > > > > -- > View this message in context: > http://struts.1045723.n5.nabble.com/getOutputStream-has-already-been-called-for-this-response-tp5710573.html > Sent from the Struts - User mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org >
