I can not reproduce the error that you have, although I ran 5.0.14Beta, but
the code is the same.
Filip
I created a JSP on my environment, that looks like this.
<%
request.getSession().setAttribute("test","test");
%>
ok
Tomcat 1 spits out
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: writeObject() storing session A8FD8BD50E14477CC57E3EBA6F9591B8
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: storing attribute 'test' with value 'test'
Nov 14, 2003 11:12:58 AM org.apache.catalina.cluster.tcp.ReplicationValve
addClu
sterSendTime
INFO: Average cluster serialize/send time=16 ms for 1 requests (16ms).
Tomcat 2 spits out
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: Received SessionMessage of type=SESSION-MODIFIED
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: Received SessionMessage
sender=org.apache.catalina.cluster.mcast.McastMemb
er[tcp://10.0.2.76:4001,10.0.2.76,4001]
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: readObject() loading session A8FD8BD50E14477CC57E3EBA6F9591B8
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: loading attribute 'test' with value 'test'
Nov 14, 2003 11:12:58 AM
org.apache.catalina.cluster.session.SimpleTcpReplicatio
nManager log
INFO: Received replicated session=ReplicatedSession
id=A8FD8BD50E14477CC57E3EBA6
F9591B8 ref=StandardSession[A8FD8BD50E14477CC57E3EBA6F9591B8]
name=test; value=test
LastAccess=1068837178625
----- Original Message -----
From: "Antonio Fiol Bonnín" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <[EMAIL PROTECTED]>
Sent: Friday, November 14, 2003 10:51 AM
Subject: Re: Session Replication problems on Tomcat 5.0.12
Sorry. I forgot to mention that the attribute is, in fact, a String. And
Strings are, AFAICT, Serializable.
Something like:
String message = "Please use your XYZ user and pass";
session.setAttribute("authMessage", message);
// And then redirect to the auth page.
The exception complains about "authMessage" not being Serializable.
Sorry again about being imprecise, and thank you very much for your
really fast answer.
Antonio Fiol
Filip Hanik wrote:
>>What we get is an exception saying that some attribute is not
serializable.
>>
>>
>
>This is according to the servlet spec.
>
>All your attributes have to be serializable, if you want to cluster a
webapp
>
>Filip
>----- Original Message -----
>From: "Antonio Fiol Bonnín" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Friday, November 14, 2003 10:11 AM
>Subject: Session Replication problems on Tomcat 5.0.12
>
>
>Hello,
>
>I am having trouble with Tomcat 5.0.12 session replication under the
>following config:
>
>Apache (mod_ssl+mod_jk): 1 load balancer worker configured to balance
>among 3 AJP13 workers.
>3 Tomcat 5.0.12 servers.
>
>If I use our application on 1 TC5, all goes well. If I start 2 or 3 TC5,
>I start getting session replication problems. What we get is an
>exception saying that some attribute is not serializable. (I do not have
>the logs handy at the moment, as I am writing from home). It happens
>under load, but it also can happen with very light number of accesses.
>
>It usually appears (on our app) on a page that sets some session
>attributes and sends a redirect. Then the browser requests the
>redirected page, and an exception (the one mentioned before) occurs, and
>the browser is redirected to an error page, after setting some other
>attribute on the session. The error servlet cannot extract the
>attributes from the session either.
>
>I have just found a note on http://www.filip.net/tomcat/ saying that
>there has been some trouble with session replication and mod_jk on TC4.
>Do you know whether this issue may apply to TC 5.0.12?
>
>I also found a couple of somewhat related bugs, but I am clueless about
>the degree of relation: the exception did not look the same to me.
>
>I have tried useDirtyFlag="false" just in case there were "dirty
>kludges" with session management in our app. It did not help.
>
>I am thinking of using 5.0.14. Do you think it might help?
>
>Our setup corresponds closely with the description found on
>http://jakarta.apache.org/tomcat/tomcat-5.0-doc/cluster-howto.html
>
>I am sure I am doing something wrong, but I cannot figure what. I'll be
>thankful for any advice or pointer to the "right" document or source.
>
>Thank you very much for your help.
>
>Yours,
>
>
>Antonio Fiol
>
>
>
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