A trivial problem ...

["Velmurugan M." <ve...@sonata-software.com>]

I m using Weblogic 6.1 for deploying ear 
which contains some session bean and struts code. On calling a remote method
( rM) in a session bean from strutsAction Class execute() method, I m
getting a Object, say remObj. I m modifying the remObj. And on second call
to remote method rM, I m getting the changed remObj. ( I am not using any
LocalInterface as specified in EJB 2.0). I believe any object that is
returned from calling a EJB Object is passed by value and  any modification
to the returned object should have no effect on the original object in
Session bean. When I test the EJB with a different client (Normal Java
classes) running on different JVM, this problem does not occur.

Why is the struts frame work behaves like this? Or Is there any special
configuration to be done to run struts framework in separate JVM? If it is
the problem with web Container or EJB server provider, can sb point me exact
place where I need to ask this question.?

regards
velmuruganm


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Re: A trivial problem ...

[Antoni Reus <an...@wanadoo.es>]

Hi,

If the remote ejbs and ejb clients are in the same JVM some containers let you 
optimize the access enabling passing objects by reference.

There is a descriptor tag in weblogic-ejb-jar.xml called 
<enable-call-by-reference> that you can set to false (but I thought that it 
was tuned off by default!)


Salut!

A Divendres 29 Novembre 2002 20:29, Velmurugan M. va escriure:
> I m using Weblogic 6.1 for deploying ear
> which contains some session bean and struts code. On calling a remote
> method ( rM) in a session bean from strutsAction Class execute() method, I
> m getting a Object, say remObj. I m modifying the remObj. And on second
> call to remote method rM, I m getting the changed remObj. ( I am not using
> any LocalInterface as specified in EJB 2.0). I believe any object that is
> returned from calling a EJB Object is passed by value and  any modification
> to the returned object should have no effect on the original object in
> Session bean. When I test the EJB with a different client (Normal Java
> classes) running on different JVM, this problem does not occur.
>
> Why is the struts frame work behaves like this? Or Is there any special
> configuration to be done to run struts framework in separate JVM? If it is
> the problem with web Container or EJB server provider, can sb point me
> exact place where I need to ask this question.?
>
> regards
> velmuruganm
>
>
> *********************************************************************
> Disclaimer: The information in this e-mail and any attachments is
> confidential / privileged. It is intended solely for the addressee or
> addressees. If you are not the addressee indicated in this message, you may
> not copy or deliver this message to anyone. In such case, you should
> destroy this message and kindly notify the sender by reply email. Please
> advise immediately if you or your employer does not consent to Internet
> email for messages of this kind.
> *********************************************************************


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