Hi Binod,
Thanks for your quik and aspiring reply.
>> I have the following questions about EJB Timer Service.
>> 1, Is EJB Timer Service initialized when DAS startup or Cluster startup.
>
> Yes. It is initialized.
Excuse, I am eager to confirm the following question again.
Is it initialized in the DAS startup process or cluster startup process?
Thanks a lot.
-Wu.
>
>>
>> 2, When EJB app is undeployed which component is charge of stopping
>> the corresponding
>> timer service and deleting the related data from DB.
>> about the 2nd question I eager to know how the timer service is
>> stopped and related
>> data is deleted in the cluster mode with multi instances.
>> #I found that EJBTimerService#destroyTimers(long containerId) is
>> charge of doing that,
>> and EJB container invokes EJBTimerService#destroyTimers(long
>> containerId).
>
> I will let some on the EJB container team to answer this question.
>
> - Binod.
>
>>
>>
>> I hope for your help.
>> Thanks
>> - Wu.
>>
>> Binod さんは書きました:
>>> 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
>>>> COINS: 79955-917
>>>> FAX: +86+25-83317685
>>>> MAIL: tangyong_at_cn.fujitsu.com
>>>> ---------------------------------------------------
>>>
>>>
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>>>
>>>
>>
>>
>> --
>> Regards
>> Wu Jie
>> --------------------------------------------------
>> Wu Jie
>> Development Dept.II
>> Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
>> 8/F., Civil Defense Building, No.189 Guangzhou Road,
>> Nanjing, 210029, China
>> TEL: +86+25-86630566-918 COINS: 79955-918
>> FAX: +86+25-83317685
>> MAIL: wujie_at_cn.fujitsu.com
>> --------------------------------------------------
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: dev-unsubscribe_at_glassfish.dev.java.net
>> For additional commands, e-mail: dev-help_at_glassfish.dev.java.net
>>
>
>
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> To unsubscribe, e-mail: dev-unsubscribe_at_glassfish.dev.java.net
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>
>
>
--
Regards
Wu Jie
--------------------------------------------------
Wu Jie
Development Dept.II
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
8/F., Civil Defense Building, No.189 Guangzhou Road,
Nanjing, 210029, China
TEL: +86+25-86630566-918 COINS: 79955-918
FAX: +86+25-83317685
MAIL: wujie_at_cn.fujitsu.com
--------------------------------------------------