users@grizzly.java.net

Re: why there is an unknow connection when starting a nio server?

From: Ken--_at_newsgroupstats.hk <dragonken_at_gmail.com>
Date: Tue, 3 Jun 2008 00:40:27 -0700 (PDT)

Sorry about that I have to reply this thread again. I have reported this
issue in jax-ws forum for a week but no one replied. (It show that Grizlly
community is very helpful instead!)

JAX-WS is under glassfish and pls suggest any channels that I can get help
from for solving the problem.

Regards,
Ken



Oleksiy Stashok wrote:
>
> Hello Ken,
>
> AFAIK standalone jax-ws uses some JDK bundled lightweight web server,
> which is not Grizzly.
>
> Thanks.
>
> WBR,
> Alexey.
>
> On May 27, 2008, at 10:50 , Ken--_at_newsgroupstats.hk wrote:
>
>>
>> I think standalone jax-ws is build from grizzly right? My problem is
>> invoking
>> an invalid wsdl link will make the server connection leak. I have
>> post the
>> issue here:
>>
>> http://forums.java.net/jive/thread.jspa?threadID=41517&tstart=0
>>
>> Thanks!
>>
>>
>>
>>
>> Ken--_at_newsgroupstats.hk wrote:
>>>
>>> Hi,
>>>
>>> It happen in one of our server with standard alone jax-ws enabled
>>> (running
>>> jax-ws without servlet container). The number of loopback
>>> connections will
>>> grow till 5000 connections under windows 2003 server.
>>>
>>> I have confirmed it today as the problem disappear when web service
>>> disabled.
>>>
>>> Would you pls tell me the detail of the bug?
>>>
>>> Regards,
>>> Ken
>>>
>>>
>>> Jeanfrancois Arcand-2 wrote:
>>>>
>>>> Hi,
>>>>
>>>>
>>>> Ken--_at_newsgroupstats.hk wrote:
>>>>> I know this problem may not due to Grizzly but what I want to
>>>>> know is..
>>>>> whenever I start a nio server by using java.nio package, there
>>>>> exist a
>>>>> strange connection with no listening port! Please read the attached
>>>>> screen
>>>>> shot.
>>>>
>>>> For Alan Bateman, NIO leads:
>>>>
>>>> A Selector on Windows has a loopback connection that is used for the
>>>> wakeup mechanism. Hence every Selector created will show what you
>>>> just
>>>> discovered.
>>>>
>>>>
>>>> It it a problem? The SelectorFactory initialize by default a pool of
>>>> Selector. We have fixed that recently. Which version of Grizzly
>>>> are you
>>>> using?
>>>>
>>>> Thanks
>>>>
>>>> -- Jeanfrancois
>>>>
>>>>>
>>>>> The original problem is, I have my own nio framework (developed
>>>>> in 3-4
>>>>> years
>>>>> ago). My server is running very well on first 3-4th day but after
>>>>> certain of
>>>>> time, the server will create many unknown connections like this:
>>>>>
>>>>> TCP 127.0.0.1:2408 127.0.0.1:2409 ESTABLISHED
>>>>> TCP 127.0.0.1:2409 127.0.0.1:2408 ESTABLISHED
>>>>> TCP 127.0.0.1:2410 127.0.0.1:2411 ESTABLISHED
>>>>> TCP 127.0.0.1:2411 127.0.0.1:2410 ESTABLISHED
>>>>> TCP 127.0.0.1:2412 127.0.0.1:2413 ESTABLISHED
>>>>> TCP 127.0.0.1:2413 127.0.0.1:2412 ESTABLISHED
>>>>>
>>>>> before the server go down, it around has 5000 pairs of this kind of
>>>>> connections(in windows 2003 server). That why I have to switch to
>>>>> grizzly.
>>>>>
>>>>> So, my question is what's those connection for? what are they?
>>>>>
>>>>> http://www.nabble.com/file/p17424006/2008-05-23_193552.gif
>>>>> 2008-05-23_193552.gif
>>>>
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>>>>
>>>>
>>>
>>>
>>
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