Hi Cristiano,
problem probably is EAF-APP binary deployment issue!
EAF binaries (including StandardSessionManager implementation) are
placed in '<enhydra_root>/multiserver/shared/lib' directory and they are
loaded by 'Shared Class Loader'. Your application binaries are placed in
application context 'lib' ('WEB-INF/lib') directory and are loaded by
'Webapp Class Loader'. 'Shared Class Loader' is parent loader of 'Webapp
Class Loader' and classes loaded by him ('Shared Class Loader') are not
able to 'see' classes loaded by 'Webapp Class Loader'.
Your custom (SessionHome and SessionUserTable) implementation is
initialized by 'StandardSessionManager'. The reason of
'java.lang.reflect.InvocationTargetException' probably is in fact that
'StandardSessionManager' implementation (loaded by 'Shared Class
Loader') is not able to see your custom (SessionHome and
SessionUserTable) implementation (probably loaded by 'Webapp Class Loader').
Solution would be to load your custom (SessionHome and SessionUserTable)
implementation trough 'Shared Class Loader' (e.g. place this binary in
'<enhydra_root>/multiserver/shared/lib' directory).
I'm waiting your response regarding this issue!
Regards,
Slobodan Vujasinovic
Enhydra Development Team
cristiano cunha wrote:
Hi,
This way of rewriting session manager work fine in enhydra5.X, but we are
facing a problem when using enhydra6.4:
caused by class com.lutris.appserver.server.ApplicationException:
java.lang.reflect.InvocationTargetException:
java.lang.reflect.InvocationTargetException
We try your solution but this exception occur, any ideia ?
Our web.xml configuration file:
<env-entry>
<env-entry-name>SessionManager/Class</env-entry-name>
<env-entry-value>com.lutris.appserver.server.sessionEnhydra.StandardSessionM
anager</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
<env-entry>
<env-entry-name>SessionManager/SessionHome/Mode</env-entry-name>
<env-entry-value>CUSTOM</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
<env-entry>
<env-entry-name>SessionManager/SessionHome/Class</env-entry-name>
<env-entry-value>CustomSessionHome</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
<env-entry>
<env-entry-name>SessionManager/SessionUserTable/Class</env-entry-name>
<env-entry-value>CustomSessionUserTable</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
Thanks for your help.
Cristiano.
-----Original Message-----
From: Ricardo Tedim [mailto:rjtedim@xxxxxxxxxxxx]
Sent: sexta-feira, 6 de Maio de 2005 18:20
To: enhydra@xxxxxxxxxxxxx
Subject: Re: [enhydra] Session Data Destruction Event
Seems to be what I was looking for. I'll give it a try and get back to you.
Thanks for your help.
Ricardo
Slobodan Vujasinovic wrote:
Hi,
New (custom) 'SessionManager' implementation in Enhydra 5.X mid be a
problem
while in Enhydra 6.X you have 'SessionManager.Class' configuration option
so
you are able to elegantly integrate custom 'SessionManager' implementation.
But, I think that faster and cleaner way to do this is to generate custom
implementations of "SessionHome" and "SessionUserTable".
This is configurable in both Enhydra 5.X and Enhydra 6.X Server.
Depending on "SessionHome.Mode" that you are using (BASIC by default) you
can extend existing Enhydra (EAF) implementations.
As explanation example I'll use BASIC "SessionHome.Mode" option.
You can create your 'CustomSessionHome' class that extends
'BasicSessionHome' enhydra implementation and override its
'removeSession(String sessionKey)' method.
-------------------------------------------------------
public synchronized void removeSession(String sessionKey)
throws SessionException {
/**
* Do your thing here
*/
super.removeSession(sessionKey);
}
--------------------------------------------------------
Note that 'BasicSessionHome' class has dummy implementation of 'shutdown()'
method (called on application shutdown) so I recommend you to additionally
override (implement) this method.
After that you can create 'CustomSessionUserTable' class that extends
already existing 'BasicSessionUserTable' implementation (class is not
public
so you can expect packaging issue here) without any additional
implementation.
At the end, don't forget to change (add) adequate application configuration
properties:
CONF configuration file:
SessionManager.SessionHome.Class = CusomSessionHome
SessionManager.SessionHome.Mode = CUSTOM
SessionManager.SessionUserTable.Class = CustomSessionUserTable
web.xml configuration file:
<env-entry>
<env-entry-name>SessionManager/SessionHome/Class</env-entry-name>
<env-entry-value>CustomSessionHome</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
<env-entry>
<env-entry-name>SessionManager/SessionHome/Mode</env-entry-name>
<env-entry-value>CUSTOM</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
<env-entry>
<env-entry-name>SessionManager/SessionUserTable/Class</env-entry-name>
<env-entry-value>CustomSessionUserTable</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
Hope this helps!
Regards,
Slobodan Vujasinovic
Enhydra Development Team
----- Original Message -----
From: "Ricardo Tedim" <rjtedim@xxxxxxxxxxxx>
To: <enhydra@xxxxxxxxxxxxx>
Sent: Thursday, May 05, 2005 10:12 PM
Subject: [enhydra] Session Data Destruction Event
Hi,
I need to intercept the session destruction "event" in order to trigger
some backend operations. I looked through the mailing list and I haven't
found any answer on this. Do you how this can be done in Enhydra 5.1 and
6.3? Do I have to write a custom session manager for this?
Thanks in advance,
Ricardo Tedim
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