Calling servlet from Pipeline - session lost?

[Duncan McLean]

Cocoon version: 2.0.4
Tomcat 4.1.27
JVM: 1.3.1
OS: AIX 5.1
Hi

We are trying to incorporate xml emitted from a servlet into an 
aggregation in a pipeline.

i.e
<map:match pattern="mypage">
   ~
   ~
   ~

<map:act type="request">
 <map:parameter name="parameters" value="true"/>

   <map:generate src="http://myserver/myservlet/servlet{requestQuery}"/>
   ~
   ~
   ~
</map:act>
~
~
</map:match>

We have (partially) managed to do this, but unfortunately the java 
servlet we are calling uses the session to store and retrieve variables 
(get- and setAttribute) in response to the
various parameters that are sent to it in the URI. Between each visit to 
the servlet, the servlet cannot maintain state so the returned XML is 
not correct.

I would greatly appreciate it if someone could (in layman's terms 
please, as that is what I am!) explain:

1) Why this happens
2) Any way around this, or is a re-write of the servlet/solution in order?

Thanks in advance

Duncan


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