RE: Resin 3.0.6 TCP Sessions Problem Please Advise

Thank you!  The host id was the missing part!  It is working properly
now.  I will test my other two server configuration with that change.
Again, thank you very much!  Hopefully we can finally move to Resin 3
now.  :)

Have a great day!

Chris Wilson

Web Developer
Andrews University
cwilson@xxxxxxxxxxx
http://www.andrews.edu/~cwilson/pgp/

> -----Original Message-----
> From: owner-resin-interest@xxxxxxxxxx [mailto:owner-resin-
> interest@xxxxxxxxxx] On Behalf Of Scott Ferguson
> Sent: Wednesday, March 03, 2004 9:01 AM
> To: resin-interest@xxxxxxxxxx
> Subject: Re: Resin 3.0.6 TCP Sessions Problem Please Advise
> 
> Chris Wilson wrote:
> 
> >Hello,
> >
> >I continue to have problems getting distributed sessions to work in
> >Resin 3.0.6 where they worked perfectly on Resin 2.x.
> >
> >
> You can try the snaphot or set an explicit <host id="localhost"/>.
> Resin 3.0.6 is treating the two requests as two different virtual
hosts:
> localhost:8080 and localhost:8081 and therefore not sharing.  (The
> virtual host issue is only for the purposes of the distributed
> sessions.  The other virtual hosting is fine.)
> 
> - Scott
> 
> >I have created a minimal test application to attempt to get session
> >replication at least working on the *same machine*!
> >
> >I am attempting to run two instances of Resin on the same machine at
> >different ports (http 8080 & 8081).  I have disabled session cookies
and
> >am using URL encoding so that I can easily switch between server
> >instances by merely changing the port in address bar.  Since the
session
> >id is in the URL and if distributed sessions are working properly I
> >should see the exact same session contents on both servers as I
switch
> >between servers.
> >
> >The sequence I follow is this.
> >
> >1) Start server a
> >2) Start server b
> >3) Access server a at: http://localhost:8080/cluster/index.jsp
> >4) Put a few values in the session using the JSP
> >5) Since URL encoding is on, URL ends up being something like:
> >http://localhost:8080/cluster/index.jsp;jsessionid=afHdQ3T1wHIf
> >6) Change port to 8081 in address bar to access server b; leave the
rest
> >of the URL the same, hit enter.
> >
> >I should see the same session information on server b since the
session
> >id is the same, however, the session data is empty.
> >
> >If I try the reverse--accessing server b first with a fresh session
and
> >then moving to server a--the same thing happens.  Order doesn't seem
to
> >be an issue...
> >
> >What am I doing wrong here?
> >
> >I have the following resin.conf
> >
> >--------------------------------------------------------
> >
> ><resin xmlns="http://caucho.com/ns/resin";>
> >  <log name='com.caucho.server.cluster' level='all' path='stdout:'
> >timestamp='[%H:%M:%S.%s] '/>
> >  <log name='com.caucho.server.session' level='all' path='stdout:'
> >timestamp='[%H:%M:%S.%s] '/>
> >  <log name='com.caucho.server.hmux.HmuxClusterRequest' level='all'
> >     path='stdout:' timestamp='[%H:%M:%S.%s] '/>
> >  <log name='com.caucho.server.hmux.HmuxDispatchRequest' level='all'
> >     path='stdout:' timestamp='[%H:%M:%S.%s] '/>
> >  <log name='' level='info' path='stdout:' timestamp='[%H:%M:%S.%s]
'/>
> >  <log name='com.caucho.java' level='fine' path='stdout:'
> >       timestamp='[%H:%M:%S.%s] '/>
> >  <log name='com.caucho.loader' level='config' path='stdout:'
> >       timestamp='[%H:%M:%S.%s] '/>
> >
> >  <dependency-check-interval>2s</dependency-check-interval>
> >
> >  <javac compiler="internal" args=""/>
> >
> >  <thread-pool>
> >    <thread-max>200</thread-max>
> >    <spare-thread-min>25</spare-thread-min>
> >  </thread-pool>
> >
> >
> >  <server>
> >    <class-loader>
> >      <tree-loader path="$resin-home/lib"/>
> >    </class-loader>
> >
> >    <!-- The http port -->
> >    <http id="a" host="127.0.0.1" port="8080"/>
> >    <http id="b" host="127.0.0.1" port="8081"/>
> >
> >    <cluster>
> >      <srun id="a" host="127.0.0.1" port="6802" index="1"/>
> >      <srun id="b" host="127.0.0.1" port="6803" index="2"/>
> >      <cluster-store type="tcp">
> >        <init>
> >          <!-- store seessions for each server instance in a
different
> >            directory since both instances are running on the same
> >machine
> >             and we dont want persistent storage to collide -->
> >          <path>${serverId}-sessions</path>
> >        </init>
> >        </cluster-store>
> >
> >    </cluster>
> >
> >    <ignore-client-disconnect>true</ignore-client-disconnect>
> >    <case-insensitive>false</case-insensitive>
> >
> >    <resin:include path="app-default.xml"/>
> >
> >   <host id="">
> >
> >      <web-app id="/cluster">
> >      <document-directory>webapps/cluster</document-directory>
> >      <session-config
> >             enable-cookies="false"
> >         enable-url-rewriting="true">
> >         <cluster-store/>
> >       </session-config>
> >       <context-param server-id="${serverId}"/>
> >      </web-app>
> >
> >    </host>
> >  </server>
> ></resin>
> >
> >------------------------------------------------------
> >
> >webapps/cluster/index.jsp
> >
> >------------------------------------------------------
> >
> ><%@ page import="java.util.*" %>
> ><%
> >     boolean isSubmit = request.getParameter("submit") != null;
> >     String newKey = request.getParameter("key");
> >     String newValue = request.getParameter("value");
> >     if(isSubmit && newKey.trim().length() > 0) {
> >             session.setAttribute(newKey, newValue);
> >     }
> >
> >     String deleteKey = request.getParameter("delete");
> >     if(deleteKey != null) {
> >             session.removeAttribute(deleteKey);
> >     }
> >
> >     if(request.getParameter("invalidate") != null) {
> >             session.invalidate();
> >
> >response.sendRedirect(response.encodeRedirectURL("index.jsp"));
> >     }
> >%>
> ><html>
> ><head>
> ><title>Session Test</title>
> ><meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
> ></head>
> >
> ><body>
> ><p>Current Session:</p>
> ><p>
> ><%
> >     Enumeration e = session.getAttributeNames();
> >     while(e.hasMoreElements()) {
> >             String key = (String)e.nextElement();
> >             String value = (String)session.getAttribute(key);
> >%>
> ><%= key %>: <%= value %> <a href="<%=
> >response.encodeURL("index.jsp?delete=" + key) %>">[delete]</a><br>
> ><% } %>
> ></p>
> ><form name="form" method="post" action="<%=
> >response.encodeURL("index.jsp") %>">
> ><p>Key:
> >    <input name="key" type="text" id="key">
> >    <br>
> >    Value:
> >    <input name="value" type="text" id="value">
> ></p>
> ><p>
> >  <input type="submit" name="submit" value="Submit">
> ></p>
> ></form>
> ><p>
> ><a href="<%= response.encodeURL("index.jsp?invalidate=x")
> >%>">Invalidate</a>
> ></p>
> ><p><a href="<%= response.encodeURL("index.jsp") %>">Reload</a> </p>
> ><p>Server ID: <%= application.getInitParameter("server-id") %></p>
> ></body>
> ></html>
> >
> >----------------------------------------------
> >
> >Environment:
> >
> >Sun JDK 1.4.2
> >Windows XP
> >Resin 3.0.6
> >
> >Could someone please try this and see if they can either get it to
work
> >or duplicate my failure?  Up to this point I have been unable to get
> >Resin 3.0.6 to correctly cluster using any configuration.  This is
the
> >simplest clustering setup I could come up with.  If this setup does
not
> >cluster as configured, why?  What is wrong?  Shouldn't this *at
least*
> >work?
> >
> >Thanks for any help.
> >
> >Chris Wilson
> >
> >Web Developer
> >Andrews University
> >cwilson@xxxxxxxxxxx
> >http://www.andrews.edu/~cwilson/pgp/
> >
> >
> >
> >
>