Only Entity beans survives the server crash since they represent the
persistant date in the data base. For session beans you may have to have
handle for the session beans. So that same state can be regenerated through
that handle.
> ----------
> From: Murthy, A (CAP, GEFA,
> Contractor)[SMTP:[EMAIL PROTECTED]]
> Reply To: A mailing list for Enterprise JavaBeans development
> Sent: Thursday, August 17, 2000 1:49 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Life cycle of beans(Session and entity)
>
> Hi,
> Suppose I have a stateful session bean. USer is logged into the
> aplication
> and doing his work. Suppose, in between application server crashed or
> shutdown. In that case, if we restart the server, can I restore or load my
> previous state of my stateful session bean before server crash / shutdown
> back after the server restarted again ? Can we store the state in the
> disk?
>
> Murthy A Suryanarayana
> GE Financial Assurance
> LTC - OPS2000 Project
> ------------------------------------------------------------------------
> -------------------
> Day : (415) 492 7834
> Dial-Com : 8 * 277 7834
> Fax : (415) 492 7699
> mailto : [EMAIL PROTECTED]
>
>
>
> -----Original Message-----
> From: Vivek Singh [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, August 16, 2000 3:35 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Life cycle of beans(Session and entity)
>
>
> what u say seems quite logical to me....but the says otherwise e.g. Ed
> Roman
> matering EJB.
> I can copy and paste as these things r diabled in the book.
>
> another question:
> Can we have stateless session bean having ejbCreate method with
> arguments....
>
> If we can do that then we can manage session on our own....i am stating a
> probability where ejbCreate() method of stateless session bean need to be
> called everytime...
>
> Can someone clarify the confusion....
>
> Thanks
>
> Vivek
>
> -----Original Message-----
> From: Rajesh Balu [mailto:[EMAIL PROTECTED]]
> Sent: Friday, June 02, 2000 1:19 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Life cycle of beans(Session and entity)
>
>
> While it is true that create() and ejbCreate() methods for a stateless
> bean
> cannot take any parameters, but when a client calls create() method on a
> stateless bean, ejbCreate() is not called on the bean instance. When an
> EJB
> server starts up, it creates a certain amount of stateless bean instances,
> calls the ejbCreate() method for each of them and stores them in the pool.
> Subsequently, when a client invokes create() method on the home, the
> server
> simply picks up an instance randomly and associates it to the EJBObject.
> This
> is significantly different from Entity and Stateful beans for which, the
> create() method is despatched to the corresponding ejbCreate() method.
>
> I hope my understanding is correct. If there is anything wrong, please
> correct
> me. Thanks.
>
> Vivek Singh wrote:
>
> > The container pools the instances of the beans. When multiple clients
> call
> > create()......ejbCreate method of the bean will be called in all the
> > instances of the pooled bean......then the client is handed over an
> > EJBObject.
> > Same happens for statefull session beans...the difference is u can pass
> > parameters to the create method and the matching ejbCreate(.....) will
> be
> > called in that instance. Same for entity beans.......the instance can be
> > cached in this case if used before.
> >
> > -----Original Message-----
> > From: Samuel Abraham [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, August 14, 2000 6:07 PM
> > To: [EMAIL PROTECTED]
> > Subject: Life cycle of beans(Session and entity)
> >
> > Hi all,
> > I have a doubt regarding bean life cycle(Session and Entity).
> > Assume that many clients are calling the create() method of a stateless
> > session beans.
> > Will the ejbCreate() be called whenever the create() method is called?
> > What will be the scenario in the case of stateful and entity beans?
> > TIA
> > Samuel
> >
> > ________________________________________________________________________
> > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com
> >
> >
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