Re: [JBoss-user] Stateful Session Bean problem (newbie?)
How do you know that you are getting the same instance of the SFSB on
the second call?
Is the second call on the same JSP and responding to the same HTTP
request?
If not, how are you caching the instance reference between requests?
Half a second seems like a long time to be processing the same page.
Steve Coy
On Friday, September 27, 2002, at 06:06 PM, wonder sonic wrote:
Hello,
I've spent about 4 hours on this but I couldn't find
the problem.
I've got a local SFSB with one attribut : an Object
(that implements the Serializable interface).
I use it from a JSP (embedded JBOSS+Tomcat):
-1- call to the SFSB = the attribut receives an
instance of the Object.
-2- call (about 500ms after) to the SFSB = the
attribut is now equals to null!
The SFSB is configured to be used with XDoclet 1.1.2
with trans-type:Required.
I've also a create method:
public void ejbCreate() {}
What should I do to make this work?
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Re: [JBoss-user] Stateful Session Bean problem (newbie?)
AFAIK, a stateful session bean means, for a client, it
is the same, in the 1st point, the loginCheck.jsp
create the Object, in the 2nd point, an other JSP try
to retrieves the object... I begin to see where does
the problem comes from. But how to do what I intend
to?
It's not the same HTTP request (2 different business
methods)
half a second because the JSP is being compiled ;)
thanks for the answer :)
Wonder Sonic
--- Stephen Coy [EMAIL PROTECTED] a écrit :
How do you know that you are getting the same
instance of the SFSB on
the second call?
Is the second call on the same JSP and responding to
the same HTTP
request?
If not, how are you caching the instance reference
between requests?
Half a second seems like a long time to be
processing the same page.
Steve Coy
On Friday, September 27, 2002, at 06:06 PM, wonder
sonic wrote:
Hello,
I've spent about 4 hours on this but I couldn't
find
the problem.
I've got a local SFSB with one attribut : an
Object
(that implements the Serializable interface).
I use it from a JSP (embedded JBOSS+Tomcat):
-1- call to the SFSB = the attribut receives an
instance of the Object.
-2- call (about 500ms after) to the SFSB = the
attribut is now equals to null!
The SFSB is configured to be used with XDoclet
1.1.2
with trans-type:Required.
I've also a create method:
public void ejbCreate() {}
What should I do to make this work?
---
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RE: [JBoss-user] Stateful Session Bean problem (newbie?)
I think you need to keep that Remote reference in session so that
You get that in another JSP.
Otherwise, you will get the different SFSB.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of wonder
sonic
Sent: Friday, September 27, 2002 3:13 PM
To: [EMAIL PROTECTED]
Subject: Re: [JBoss-user] Stateful Session Bean problem (newbie?)
AFAIK, a stateful session bean means, for a client, it
is the same, in the 1st point, the loginCheck.jsp
create the Object, in the 2nd point, an other JSP try
to retrieves the object... I begin to see where does
the problem comes from. But how to do what I intend
to?
It's not the same HTTP request (2 different business
methods)
half a second because the JSP is being compiled ;)
thanks for the answer :)
Wonder Sonic
--- Stephen Coy [EMAIL PROTECTED] a écrit :
How do you know that you are getting the same
instance of the SFSB on
the second call?
Is the second call on the same JSP and responding to
the same HTTP
request?
If not, how are you caching the instance reference
between requests?
Half a second seems like a long time to be
processing the same page.
Steve Coy
On Friday, September 27, 2002, at 06:06 PM, wonder
sonic wrote:
Hello,
I've spent about 4 hours on this but I couldn't
find
the problem.
I've got a local SFSB with one attribut : an
Object
(that implements the Serializable interface).
I use it from a JSP (embedded JBOSS+Tomcat):
-1- call to the SFSB = the attribut receives an
instance of the Object.
-2- call (about 500ms after) to the SFSB = the
attribut is now equals to null!
The SFSB is configured to be used with XDoclet
1.1.2
with trans-type:Required.
I've also a create method:
public void ejbCreate() {}
What should I do to make this work?
---
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Welcome to geek heaven.
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RE: [JBoss-user] Stateful Session Bean Problem
Hello Nicolai, Are you sure that your SFSB lifetime hasn't expired? It looks like the bean state has been removed from the file storage. Cheers, Sacha -Message d'origine- De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]De la part de Nicolai P Guba Envoyé : mercredi, 21 novembre 2001 10:22 À : JBoss User Objet : [JBoss-user] Stateful Session Bean Problem What are the reasons for a stateful session bean NOT to serialize itself onto the filesystem? I am getting this pretty odd exception from our only stateful session bean and am a bit stupefied. H Log is below [java] java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory); nested exception is: [java] java.rmi.NoSuchObjectException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory) [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: -- Nicolai P Gubahttp://www.gnu.org http://www.frontwire.com mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] GSM: +44 (0)7909 960 751 DDI: +44 (0)20 7368 9708 ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Stateful Session Bean Problem
On Wed, 2001-11-21 at 09:42, Sacha Labourey wrote: Hello Nicolai, Are you sure that your SFSB lifetime hasn't expired? It looks like the bean state has been removed from the file storage. H, this is definitively the case because the file is not there any more. However, this bean is being still refered to and one would expect it to serialize and passivate, then activate later on. Never to just delete itself as long as the session is still open. It doesn't make sense. -- Nicolai P Gubahttp://www.gnu.org http://www.frontwire.com mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] GSM: +44 (0)7909 960 751 DDI: +44 (0)20 7368 9708 ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
Re: [JBoss-user] Stateful Session Bean Problem
I got this exception in two cases (jboss 2.4.3): 1. the bean has thrown a java.rmi.RemoteException before = jboss discarded the bean 2. the automatical remove of the SessionBean by jobss has taken place, default configuration is 30 min. Annegret -Ursprüngliche Nachricht- Von: Nicolai P Guba [mailto:[EMAIL PROTECTED]] Gesendet: Mittwoch, 21. November 2001 10:22 An: JBoss User Betreff: [JBoss-user] Stateful Session Bean Problem What are the reasons for a stateful session bean NOT to serialize itself onto the filesystem? I am getting this pretty odd exception from our only stateful session bean and am a bit stupefied. H Log is below [java] java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory); nested exception is: [java] java.rmi.NoSuchObjectException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory) [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: -- Nicolai P Gubahttp://www.gnu.org http://www.frontwire.com mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] GSM: +44 (0)7909 960 751 DDI: +44 (0)20 7368 9708 ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Stateful Session Bean Problem
Hello Nicolai, H, this is definitively the case because the file is not there any more. However, this bean is being still refered to and one would expect it to serialize and passivate, then activate later on. Never to just delete itself as long as the session is still open. It doesn't make sense. Yes it does make sense if you follow the SFSB semantic. The JBoss server is not able to know if the session is still open. IMHO you have two choices: - modify your SFSB settings, in this case max-bean-life which is, by default, set to 1800 = 30 minutes (also check remover-period which is also set to 30 minutes = SFSB lifetime is between 30 minutes and 1 hour) - If your idea of a session is strict enough, you may better switch to entity beans. Good luck. Cheers, Sacha ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
RE: [JBoss-user] Stateful Session Bean Problem
Hello, Nicolai! I had the same exception. My project worked fine first but after some improvements :) in some cases JBoss printed me such an exception. The problem was in RemoteException like Sternagel said. Good luck! jalex -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Nicolai P Guba Sent: Wednesday, November 21, 2001 11:22 To: JBoss User Subject: [JBoss-user] Stateful Session Bean Problem What are the reasons for a stateful session bean NOT to serialize itself onto the filesystem? I am getting this pretty odd exception from our only stateful session bean and am a bit stupefied. H Log is below [java] java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory); nested exception is: [java] java.rmi.NoSuchObjectException: Could not activate; nested exception is: [java] java.io.FileNotFoundException: /usr/local/JBoss/2.4.3/jboss/db/sessions/QueryHandler/1006278857470.ser (No such file or directory) [java] javax.transaction.TransactionRolledbackException: Could not activate; nested exception is: -- Nicolai P Gubahttp://www.gnu.org http://www.frontwire.com mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] GSM: +44 (0)7909 960 751 DDI: +44 (0)20 7368 9708 ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user ___ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
