users@grizzly.java.net

Re: RST/FIN sent from the Grizzly server

From: chandan_evol <chandan.talukdar_at_evolving.com>
Date: Fri, 17 Jul 2009 02:45:01 -0700 (PDT)

Thanks Alexey.


Oleksiy Stashok wrote:
>
> Hi Chandan,
>
>> My problem has been resolved with 1.9.17-SNAPSHOT binaries (It
>> took
>> quite a bit of time to test).
> Ok, glad to hear that!
>
>> Can I use the 1.9.18 grizzly web server binary
>> in my application. is the 1.9.18 a stable release.
> 1.9.18 is currently in development stage.
> We're trying to release 1.9.17 as stable by fixing some Glassfish
> integration issues, so I'd advice you to use 1.9.17-RC1 for a while,
> until 1.9.17 will be finally released.
>
> Thanks.
>
> WBR,
> Alexey.
>
>>
>> Thanks a lot for all your support.
>>
>> Regards
>> chandan
>>
>>
>> Oleksiy Stashok wrote:
>>>
>>>> I have tried with your solution. But, sometimes I am getting "RST"
>>>> packets from the Grizzly Server.
>>>> In my case there is a non persistent connection between the
>>>> client and
>>>> the server. Will there be new tcp connections everytime for a new
>>>> request.
>>>> Whenever there is a "RST" packet, there is no response from the
>>>> Server. I
>>>> have also noticed that the "service" (I have already placed a sample
>>>> code)
>>>> method in the Grizzly server is not invoked in case of RST packet
>>>> scenarios.
>>>> Kindly guide me to resolve the problem.
>>> Ok, before continuing investigation, can I ask you to try your code
>>> with 1.9.17-SNAPSHOT binaries, to make sure that the issue you see
>>> wasn't fixed [1]
>>> If you still see the issue - the I'd like to ask you send me the
>>> server and client code so I'll be able to reproduce the issue.
>>>
>>> Thank you.
>>>
>>> WBR,
>>> Alexey.
>>>
>>> [1]
>>> http://download.java.net/maven/2/com/sun/grizzly/grizzly-http-webserver/1.9.17-SNAPSHOT/
>>>
>>>
>>>
>>>>
>>>> thanks
>>>> Chandan
>>>>
>>>>
>>>> Oleksiy Stashok wrote:
>>>>>
>>>>> Hi, Chandan,
>>>>>
>>>>> Grizzly, by default, has limited number of HTTP requests it may
>>>>> process on single connection (to avoid some kind of DoS attacks).
>>>>> So, probably, you observe such a behavior because of that
>>>>> mechanism.
>>>>>
>>>>> You can disable it by setting:
>>>>> selectorThread.getMaxKeepAliveRequests(-1);
>>>>>
>>>>> I could be wrong, but let's try that solution and then will see
>>>>> if it
>>>>> helps or not.
>>>>>
>>>>> WBR,
>>>>> Alexey.
>>>>>
>>>>> On Jul 15, 2009, at 8:10 , chandan_evol wrote:
>>>>>
>>>>>>
>>>>>> Hi All,
>>>>>> I am using Grizzly 1.9.15 as a HTTP web server for my
>>>>>> application.
>>>>>> But, whenever the client side sends number of requests (~10
>>>>>> requests
>>>>>> in
>>>>>> second), the application sends RST packets to the client, after
>>>>>> sending FIN
>>>>>> to the client side. This seems that the Grizzly server is dropping
>>>>>> some
>>>>>> requests if it is heavily loaded. Can someone tell me what can
>>>>>> prevent the
>>>>>> Grizzly server to drop requests. The client is maintaining an HTTP
>>>>>> non-persistent connection where everytime connection will be
>>>>>> closed
>>>>>> if there
>>>>>> is a response received for a request.
>>>>>> I would appreciate if someone gives me a solution.
>>>>>>
>>>>>> thanks in advance
>>>>>>
>>>>>> Chandan
>>>>>> --
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>>>>>>
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>>>>>
>>>>
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