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Date: Thu, 21 Mar 2013 01:07:52 -0700 (PDT)
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Subject: jnlp not sharing sessions between browser and webastart viewer
From: "Aryeh M. Friedman" <Aryeh.Friedman@gmail.com>
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Xref: csiph.com comp.lang.java.programmer:23012

Can anyone tell explain and tell me how to fix the following issue if you g=
o to http://www.fnwe.net/fred/client.jsp it will give a link with the sessi=
on id in parens but when you click on it the actual webstart code reports a=
n other session id... here is all my code:

web.xml:

<web-app>
        <servlet>
                <servlet-name>jnlp</servlet-name>
                <jsp-file>/jnlp.jsp</jsp-file>
        </servlet>

        <servlet-mapping>
                <servlet-name>jnlp</servlet-name>
                <url-pattern>*.jnlp</url-pattern>
        </servlet-mapping>
</web-app>

client.jsp:

<%@ taglib prefix=3D"c" uri=3D"http://java.sun.com/jsp/jstl/core" %>
<a href=3D"client.jnlp">Client (${pageContext.session.id})</a>

jnlp.jsp:

<?xml version=3D"1.0" encoding=3D"utf-8"?>=20
<%@page contentType=3D"application/x-java-jnlp-file" %>
<%@ taglib prefix=3D"c" uri=3D"http://java.sun.com/jsp/jstl/core" %>
<jnlp codebase=3D"http://www.fnwe.net/fred" href=3D"jnlp.jsp">
      <information>
         <title>JNLP Demo</title>
         <vendor>JNLP Demo</vendor>
      </information>
      <resources>
          <j2se version=3D"1.6+" href=3D"http://java.sun.com/products/autod=
l/j2se" />
          <jar href=3D"jars/fred.jar" main=3D"true" />
      </resources>
      <application-desc name=3D"JNLP demo" main-class=3D"HelloWorld">
        <argument>${pageContext.session.id}</argument>
      </application-desc>
</jnlp>

HelloWorld.java:

public class HelloWorld
{
        public static void main(String[] args)
        {
                javax.swing.JOptionPane.showMessageDialog(null,"Hello: "+ar=
gs[0]);
        }
}

Sample screen shot (of getting disagreement on session id) at:

http://www.fnwe.net/fred/screen.png