JSTL, HttpSession and Portlet Session
Here's a mysterious problem.
I am trying to use portlet with JSP together. Inside the portlet, I populate some data, put the data into portlet session and dispatch (include) to a jsp. On the jsp, if I use JSTL to access the http session data:
<c:out value="{sessionScope.test}"/> I got the following excepiton:
14:27:08,880 ERROR StandardWrapper[portlet:jsp]:727 - Servlet.service() for se
vlet jsp threw exception
java.lang.IllegalStateException: Cannot access session scope in page that does
ot participate in any session
at org.apache.jasper.runtime.PageContextImpl.doGetAttribute(PageContext
mpl.java:264)
at org.apache.jasper.runtime.PageContextImpl.getAttribute(PageContextIm
l.java:249)
at org.apache.taglibs.standard.lang.jstl.ImplicitObjects$3.getValue(Imp
icitObjects.java:633)
If I use jsp scriptlet to access the http session, everything is fine:
<%= request.getSession("test") %>
Has anyone seen this exception? I posted the question on portlet forum already and no one is able to answer it so far.
What's the different between JSTL sessionScope and jsp scriptlet?
thanks!
Try the calls
<%= session.getAttribute("test") %>
and
<%= request.getSession().getAttribute("test") %>
Make sure do not have on your page anywhere:
<%@ page session="false" %>
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1:
======================= Faces JSP File: BPSMacro.jsp ====================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<meta name="GENERATOR" content="IBM Software Development Platform">
<meta http-equiv="Content-Style-Type" content="text/css">
<%@taglib uri="http://java.sun.com/portlet" prefix="portlet"%>
<%@taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt"%>
<%@taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@taglib uri="http://www.ibm.com/jsf/html_extended" prefix="hx"%>
<%@taglib uri="/WEB-INF/tld/j4j.tld" prefix="j4j"%>
<%@taglib uri="/WEB-INF/tld/core.tld" prefix="core"%>
<%@page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1" session="false"%>
<portlet:defineObjects />
<link rel="stylesheet" type="text/css"
href='<%= renderResponse.encodeURL(renderRequest.getContextPath() + "/theme/stylesheet.css") %>'
title="Style">
<script type="text/javascript">
function formSubmit() {
var formName2 = document.getElementById("proxy_form_main_").title;
var formName1 = document.getElementById("BPSMacroFormId").title;
document.getElementById("__LINK_TARGET__").value = document.getElementById("proxy_HD_COMMAND_").title;
document.getElementById(formName2).submit();
return false;
</script>
<f:view>
<hx:scriptCollector id="bpsMacroScriptCollector">
<f:loadBundle var="bps" basename="bordereauprocessingsystem" />
<table bgcolor="#FFF9C3">
<tr>
<td><h:form id="BPSMacroFormMain" styleClass="form">
<table class="tablemiddle" cellspacing="0" cellpadding="0">
<tr>
<td><h:messages layout="table" styleClass="errormessage"
id="ValidationErrorMsg" /> </td>
</tr>
</table>
<j4j:idProxy id="proxy_form_main_0_" />
</h:form></td>
</tr>
<tr>
<td>
<form id="BPSMacroFormId" enctype="multipart/form-data">
<table bgcolor="#FFF9C3">
<tr>
<td height="36" width="324">Worksheet <input type="file"
name="upfile" /></td>
</tr>
<tr>
<td align="center" width="324"><input TYPE="submit"
onclick="return formSubmit();" value="Upload">
</td>
</tr>
</table>
</form>
</td>
</tr>
<tr>
<td>
<h:form id="BPSMacroFormMain2" styleClass="form">
<table cellspacing="2" cellpadding="2" class="tablemiddle">
<tbody>
<tr>
<td colspan="2" align="center"><h:commandLink
styleClass="commandLink" id="lnkuserdelete"
action="#{pc_BPSMacro.doIdUpload1Action}">
<hx:graphicImageEx
styleClass="graphicImageEx" id="imgBtnCreateUser"
value="/theme/images/btnUpload.gif" style="border:0;cursor:pointer"></hx:graphicImageEx>
<j4j:idProxy id="proxy_HD_COMMAND_" />
</h:commandLink></td>
<h:inputHidden id="dtSize"
value="#{pc_BPSMacro.fileDetailsList.clicked}">
<j4j:idProxy id="proxy_clicked_" />
</h:inputHidden>
</tr>
</tbody>
</table>
<j4j:idProxy id="proxy_form_main_" />
</h:form>
</td>
</tr>
</table>
</hx:scriptCollector>
</f:view>
================== END: FACES JSP FILE: BPSMacro.jsp ========================
2:
=================== Action event in the Page Code: BPSMacro.java ============
public String doIdUpload1Action() {
System.out.println("PageCode");
FacesContext context = FacesContext.getCurrentInstance();
BPSMacroDetailsDataBean fileDetails = (BPSMacroDetailsDataBean)context.getApplication().createValueBinding("#{fileDetails}").getValue(context);
BPSMacroListDataBean fileDetailsList = (BPSMacroListDataBean)context.getApplication().createValueBinding("#{fileDetailsList}").getValue(context);
PortletSession sess = (PortletSession)context.getExternalContext().getSession(false);
sess.setAttribute("BPS_MACRO_CONTEXT", context, PortletSession.APPLICATION_SCOPE);
sess.setAttribute("BPS_MACRO_FILE_DETAILS", fileDetails, PortletSession.APPLICATION_SCOPE);
sess.setAttribute("BPS_MACRO_FILE_LIST", fileDetailsList, PortletSession.APPLICATION_SCOPE);
HttpServletRequest request = (HttpServletRequest)context.getExternalContext().getRequest();
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
request.getContentType();
return "gotoBPSMacro";
============== END Of Page Code Action event ==============================
3:
============== doView() Portlet method ================================
public void doView(RenderRequest arg0, RenderResponse arg1)
throws PortletException, IOException {
String METHOD_NAME = "doView(RenderRequest arg0, RenderResponse arg1)";
Logger.debug(this.getClass(), METHOD_NAME, "Entering BPSMacroPortlet");
FacesContext context = FacesContext.getCurrentInstance();
PortletSession sess1 = arg0.getPortletSession(true);
BPSMacroDetailsDataBean fileDetails = new BPSMacroDetailsDataBean();
BPSMacroListDataBean fileDetailsList = new BPSMacroListDataBean();
context = (FacesContext)sess1.getAttribute("BPS_MACRO_CONTEXT", PortletSession.APPLICATION_SCOPE);
if(context != null){
fileDetails = (BPSMacroDetailsDataBean)sess1.getAttribute("BPS_MACRO_FILE_DETAILS", PortletSession.APPLICATION_SCOPE);
fileDetailsList = (BPSMacroListDataBean)sess1.getAttribute("BPS_MACRO_FILE_LIST", PortletSession.APPLICATION_SCOPE);
sess1.removeAttribute("BPS_MACRO_CONTEXT", PortletSession.APPLICATION_SCOPE);
sess1.removeAttribute("BPS_MACRO_FILE_DETAILS", PortletSession.APPLICATION_SCOPE);
sess1.removeAttribute("BPS_MACRO_FILE_LIST", PortletSession.APPLICATION_SCOPE);
HttpServletRequest servletRequest = (HttpServletRequest)arg0;
PortletRequest pReq = (PortletRequest)arg0;
HttpServletResponse servletResponse= (HttpServletResponse)arg1;
System.out.println("\n\n Content Type" + servletRequest.getContentType());
try{
if(context != null){
boolean isFileMultipart = ServletFileUpload.isMultipartContent(servletRequest);
System.out.println("\nFILE TO BE UPLOADED IS MULTIPART ? " + isFileMultipart);
if(isFileMultipart){
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ServletFileUpload upload = new ServletFileUpload(factory);
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Iterator iterator = items.iterator();
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FileItem item = (FileItem) iterator.next();
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ByteArrayOutputStream ByteArrayOS = new ByteArrayOutputStream();
int sizeofFile =(int) item.getSize();
byte buffer[] = new byte[sizeofFile];
int bytesRead = 0;
while( (bytesRead = iStream.read(buffer, 0, sizeofFile)) != -1 )
ByteArrayOS.write( buffer, 0, bytesRead );
String data = new String( ByteArrayOS.toByteArray() );
int k = 0;
//Check if the file is Refund or Premium
int dynamicArraySize = 0;// = st2.countTokens() * 9;
dynamicArraySize = st2.countTokens() * 9;
if (!item.isFormField() ){
File cfile=new File(item.getName());
String fileName = "";
String separator = "\\";
int pos = item.getName().lastIndexOf(separator);
int pos2 = item.getName().lastIndexOf(".");
if(pos2>-1){
fileName =item.getName().substring(pos+1, pos2);
}else{
fileName =item.getName().substring(pos+1);
File fileToBeUploaded=new File("C:\\Sal\\BPS MACRO\\FileTransfer\\Desti", fileName);
item.write(fileToBeUploaded);
validate.displaySuccessMessage(context);
}catch(Exception e){System.out.println(e);
Logger.debug(this.getClass(), METHOD_NAME, "Leaving BPSMacroPortlet");
super.doView(arg0, arg1);
==== END: doView method in the portle class. ================================
Thanks.one more question. Is there a way where I can submit two forms ?
Thats is submit 2nd form only when the first form is submitted.
I tried this it works.
function formSubmit(){
document.form1.submit();
alert();
document.form2.submit();
But If I dont put an alert(basically it disables the parent page) in between, only the second form is submitted.
If I put a delay of say 3 seconds in between then it will throw a SOCKET CLOSED error in the code triggered due to first form submit.
Thus disabling the paresnt page for a few seconds is reolving my problem.
Any ideas ?
Well Basically when the Alert pop's up the parent page "STALLS" and thus the form2 does not submit till I click on OK, Is there a way I can stall the browser/Parent JSP page using JAVA SCRIPT ??
Edited by: hector on Oct 9, 2007 11:09 AM
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decode(bitand(s.ksuseidl, 11),
1,
'ACTIVE',
0,
decode(bitand(s.ksuseflg, 4096), 0, 'INACTIVE', 'CACHED'),
2,
'SNIPED',
3,
'SNIPED',
'KILLED'),
decode(s.ksspatyp, 1, 'DEDICATED', 2, 'SHARED', 3, 'PSEUDO', 'NONE'),
s.ksuudsid,
s.ksuudsna,
s.ksuseunm,
s.ksusepid,
s.ksusemnm,
s.ksusetid,
s.ksusepnm,
decode(bitand(s.ksuseflg, 19),
17,
'BACKGROUND',
1,
'USER',
2,
'RECURSIVE',
s.ksusesql,
s.ksusesqh,
s.ksusesqi,
decode(s.ksusesch, 65535, to_number(null), s.ksusesch),
s.ksusepsq,
s.ksusepha,
s.ksusepsi,
decode(s.ksusepch, 65535, to_number(null), s.ksusepch),
decode(s.ksusepeo, 0, to_number(null), s.ksusepeo),
decode(s.ksusepeo, 0, to_number(null), s.ksusepes),
decode(s.ksusepco, 0, to_number(null), s.ksusepco),
decode(s.ksusepco, 0, to_number(null), s.ksusepcs),
s.ksuseapp,
s.ksuseaph,
s.ksuseact,
s.ksuseach,
s.ksusecli,
s.ksusefix,
s.ksuseobj,
s.ksusefil,
s.ksuseblk,
s.ksuseslt,
s.ksuseltm,
s.ksusectm,
decode(bitand(s.ksusepxopt, 12), 0, 'NO', 'YES'),
decode(s.ksuseft,
2,
'SESSION',
4,
'SELECT',
8,
'TRANSACTIONAL',
'NONE'),
decode(s.ksusefm, 1, 'BASIC', 2, 'PRECONNECT', 4, 'PREPARSE', 'NONE'),
decode(s.ksusefs, 1, 'YES', 'NO'),
s.ksusegrp,
decode(bitand(s.ksusepxopt, 4),
4,
'ENABLED',
decode(bitand(s.ksusepxopt, 8), 8, 'FORCED', 'DISABLED')),
decode(bitand(s.ksusepxopt, 2),
2,
'FORCED',
decode(bitand(s.ksusepxopt, 1), 1, 'DISABLED', 'ENABLED')),
decode(bitand(s.ksusepxopt, 32),
32,
'FORCED',
decode(bitand(s.ksusepxopt, 16), 16, 'DISABLED', 'ENABLED')),
s.ksusecqd,
s.ksuseclid,
decode(s.ksuseblocker,
4294967295,
'UNKNOWN',
4294967294,
'UNKNOWN',
4294967293,
'UNKNOWN',
4294967292,
'NO HOLDER',
4294967291,
'NOT IN WAIT',
'VALID'),
decode(s.ksuseblocker,
4294967295,
to_number(null),
4294967294,
to_number(null),
4294967293,
to_number(null),
4294967292,
to_number(null),
4294967291,
to_number(null),
bitand(s.ksuseblocker, 2147418112) / 65536),
decode(s.ksuseblocker,
4294967295,
to_number(null),
4294967294,
to_number(null),
4294967293,
to_number(null),
4294967292,
to_number(null),
4294967291,
to_number(null),
bitand(s.ksuseblocker, 65535)),
s.ksuseseq,
s.ksuseopc,
e.kslednam,
e.ksledp1,
s.ksusep1,
s.ksusep1r,
e.ksledp2,
s.ksusep2,
s.ksusep2r,
e.ksledp3,
s.ksusep3,
s.ksusep3r,
e.ksledclassid,
e.ksledclass#,
e.ksledclass,
decode(s.ksusetim,
0,
0,
-1,
-1,
-2,
-2,
decode(round(s.ksusetim / 10000),
0,
-1,
round(s.ksusetim / 10000))),
s.ksusewtm,
decode(s.ksusetim,
0,
'WAITING',
-2,
'WAITED UNKNOWN TIME',
-1,
'WAITED SHORT TIME',
decode(round(s.ksusetim / 10000),
0,
'WAITED SHORT TIME',
'WAITED KNOWN TIME')),
s.ksusesvc,
decode(bitand(s.ksuseflg2, 32), 32, 'ENABLED', 'DISABLED'),
decode(bitand(s.ksuseflg2, 64), 64, 'TRUE', 'FALSE'),
decode(bitand(s.ksuseflg2, 128), 128, 'TRUE', 'FALSE')
from x$ksuse s, x$ksled e
where bitand(s.ksspaflg, 1) != 0
and bitand(s.ksuseflg, 1) != 0
and s.ksuseopc = e.indxAlexander Anokhin
http://alexanderanokhin.wordpress.com/
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