dev@glassfish.java.net

Re: [OndemandServer] EJB Service

From: Binod <Binod.Pg_at_Sun.COM>
Date: Tue, 26 Feb 2008 10:06:09 +0530

Hi Tang,

On 26-Feb-08, at 9:32 AM, Tang Yong wrote:

> Hi Binod,Dev Team,
>
> I come from China and work on the AppServer Development related.
>
> I see the Binod's excited paper(http://weblogs.java.net/blog/binod/archive/2005/09/lazy_initializa.html
> ),
> and understand a lot related ondemand startup.
>
> However, I have a few problems and wish you can help me resolve
> them, as follows:
> 1 I find that in "EjbServiceGroup.java", there are the following
> comment:
>
> "Represents the group services needed by EJBs. The main components
> of this servicegroup are ORB, JTS and system apps that use EJBs."
>
> then, what does the "system apps that use EJBs" mean?including
> EJBTimerBean?

Yes. TimerBean and MEJB.

>
>
> 2 When appserver starts up, does the EJB Container need to be
> initialized? If yes, initializes which
> service related EJB Container ?

Only when EJBs are deployed (or accessed) the EJB container need to be
initialized.

- Binod.

>
>
> 3 Are there some deep material about the internal of Appserver's
> LifeCycle?
>
>
> Thanks!
>
> Best Regard!
>
> --
> ---------------------------------------------------
> Tang Yong
> Development Dept.I
> Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
> 8/F., Civil Defense Building, No.189 Guangzhou Road,
> Nanjing, 210029, China
> TEL: +86+25-86630566-917
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> FAX: +86+25-83317685
> MAIL: tangyong_at_cn.fujitsu.com
> ---------------------------------------------------