dev@glassfish.java.net

Re: [forum question] glassfish server not responding after some time

From: Binod <Binod.Pg_at_Sun.COM>
Date: Thu, 15 Mar 2007 20:42:09 +0530

For the future.... JDK 5 has some scalability issues with NIO in linux
which is heavily used in quickstartup. Thats the reason I was suggesting
JDK 6.

Thanks a bunch for following up...

- Binod.

> Hi Binod,
>
> The user just replied. He/she is running on JDK6, and deployed 2 apps
> on glassfish and one of them is old app. This caused some sort of
> deadlock in datasource access. After removing the old app, everything
> works fine.
>
> [my comments] So quick-startup was not the cause of the original
> problem. Sorry for the confusion.
>
> -cheng
>
> Binod wrote:
>
>> Hi Cheng,
>>
>> Did you get any response?
>>
>> - Binod.
>>
>>> Hi Binod,
>>>
>>> Thanks for your attention. I've asked the user to provide these
>>> data, and will let you know once he/she replies.
>>>
>>> -cheng
>>>
>>> Binod wrote:
>>>
>>>> Cheng,
>>>>
>>>> Can you ask this person, which version of JDK is he using? This
>>>> should not happen
>>>> with JDK 1.6.
>>>>
>>>> Also, can you please ask him which operating system he is using?
>>>>
>>>> - Binod.
>>>>
>>>>> Thanks, Jeanfrancois. That did the trick. Here is what the user said:
>>>>>
>>>>> ?????,??????,?????????tomcat?????,??glassfish???!!
>>>>>
>>>>> [in English]
>>>>> Problem solved. Now it's very stable. And I see the significant
>>>>> performance gain compared to the tomcat I used before. Glassfish
>>>>> rocks!
>>>>>
>>>>> -cheng
>>>>>
>>>>> Jeanfrancois Arcand wrote:
>>>>>
>>>>>> Hi Cheng,
>>>>>>
>>>>>> can you ask to add:
>>>>>>
>>>>>> <jvm-options>-Dcom.sun.enterprise.server.ss.ASQuickStartup=false</jvm-options>
>>>>>>
>>>>>>
>>>>>> and see how it goes?
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> -- Jeanfrancois
>>>>>>
>>>>>> Cheng Fang wrote:
>>>>>>
>>>>>>> This is a question on forum (in Chinese):
>>>>>>> http://gceclub.sun.com.cn/NASApp/sme/jive/thread.jsp?forum=22&thread=43920
>>>>>>>
>>>>>>>
>>>>>>> The user is using glassfish_v2_b36, configured 4 virtual servers
>>>>>>> in domain1, each virtual server corresponding to a domain name.
>>>>>>> This works fine. But after some time, the server stops
>>>>>>> responding to requests from web pages, as if the server is dead.
>>>>>>> After a few hours, everything is back to normal. Any ideas?
>>>>>>>
>>>>>>> -cheng
>>>>>>>
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>
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