users@grizzly.java.net

Re: Problems with pipelining requests

From: Patrick Julien <pjulien_at_gmail.com>
Date: Wed, 17 Dec 2008 12:26:44 -0500

yes

On Wed, Dec 17, 2008 at 12:19 PM, Jeanfrancois Arcand
<Jeanfrancois.Arcand_at_sun.com> wrote:
> Salut,
>
> I don't see anything wrong with the log. Next step would be to install
> ngreg.sourceforge.net and snoop the traffic between GF and your client. Do
> you think you can do that?
>
> Thanks
>
> -- Jeanfrancois
>
> Patrick Julien wrote:
>>
>> Here it is
>>
>> On Tue, Dec 16, 2008 at 6:21 PM, Jeanfrancois Arcand
>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>
>>> Can you sent the entire log? I need to see why some requests gets
>>> cancelled.
>>>
>>> A+
>>>
>>> Patrick Julien wrote:
>>>>
>>>> So now I have the number of read bytes. I'm posting some details here
>>>> but still need to look at this to get a better understanding of what
>>>> it's telling me:
>>>>
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=151
>>>> lim=151 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.657-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=18;_ThreadName=httpSSLWorkerThread-8080-0;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=151
>>>> lim=151 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.657-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=18;_ThreadName=httpSSLWorkerThread-8080-0;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=151
>>>> lim=151 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.657-0600|INFO|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=18;_ThreadName=httpSSLWorkerThread-8080-0;|Regis
>>>> tering SocketChannel for keep alive
>>>> java.nio.channels.SocketChannel[connected local=/98.129.48.81:8080
>>>> remote=/70.81.117.210:55112]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.682-0600|INFO|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=16;_ThreadName=SelectorThread-8080;|Handling
>>>> OP_
>>>> READ on SocketChannel java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.683-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> Preparing to read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer
>>>> [pos=0 lim=4096 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.683-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> SocketState: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] bytesAvailable
>>>> false|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.684-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=135
>>>> 9 lim=4096 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.684-0600|INFO|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|Socke
>>>> tChannel request linejava.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] is: R(
>>>> /symposium/resources/micro
>>>> BlogEntryEntities/165/)|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.685-0600|INFO|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|Socke
>>>> tChannel headersjava.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] are: ===
>>>> MimeHeaders ===
>>>> host = services00.spectrumdt.com:8080
>>>> user-agent = Mobile
>>>> accept = application/json
>>>> |#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.705-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=135
>>>> 9 lim=1359 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.706-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=135
>>>> 9 lim=1359 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.706-0600|INFO|sun-appserver9.1|javax.enterprise.system.stream.out|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|
>>>> Have read using: java.nio.channels.SocketChannel[connected
>>>> local=/98.129.48.81:8080 remote=/70.81.117.210:55112] using
>>>> java.nio.HeapByteBuffer[pos=135
>>>> 9 lim=1359 cap=4096]|#]
>>>>
>>>>
>>>>
>>>> [#|2008-12-16T17:18:23.707-0600|INFO|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=17;_ThreadName=httpSSLWorkerThread-8080-1;|Regis
>>>> tering SocketChannel for keep alive
>>>> java.nio.channels.SocketChannel[connected local=/98.129.48.81:8080
>>>> remote=/70.81.117.210:55112]|#]
>>>>
>>>>
>>>>
>>>> On Tue, Dec 16, 2008 at 6:12 PM, Jeanfrancois Arcand
>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>
>>>>> Hum....try that one (patch 4).
>>>>>
>>>>> Patrick Julien wrote:
>>>>>>
>>>>>> patch3 only contains the MAnIfest-INF directory :)
>>>>>>
>>>>>> On Tue, Dec 16, 2008 at 6:08 PM, Patrick Julien <pjulien_at_gmail.com>
>>>>>> wrote:
>>>>>>>
>>>>>>> yes
>>>>>>>
>>>>>>> On Tue, Dec 16, 2008 at 6:07 PM, Jeanfrancois Arcand
>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>
>>>>>>>> Patrick Julien wrote:
>>>>>>>>>
>>>>>>>>> you're sure about this installation procedure? I don't have to
>>>>>>>>> remove
>>>>>>>>> the jar (appserv-rt) file once it's unzipped?
>>>>>>>>
>>>>>>>> No you unzip the patch, and add its content to the appserv-rt.jar.
>>>>>>>> Is
>>>>>>>> that
>>>>>>>> what you are doing?
>>>>>>>>
>>>>>>>>> On Tue, Dec 16, 2008 at 6:02 PM, Patrick Julien <pjulien_at_gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>> Yes, Glassfish. No comet.
>>>>>>>>>>
>>>>>>>>>> On Tue, Dec 16, 2008 at 5:19 PM, Jeanfrancois Arcand
>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>> Hum that strange as I added read logs. Another try, hopefully
>>>>>>>>>>> that
>>>>>>>>>>> one
>>>>>>>>>>> works. You are using GF as it is right? No Comet?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> Even with this drop, I do not see any bytes being printed in the
>>>>>>>>>>>> log.
>>>>>>>>>>>>
>>>>>>>>>>>> On Tue, Dec 16, 2008 at 2:24 PM, Jeanfrancois Arcand
>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Oups again.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> This does not seem to be printing out bytes, you sure I have
>>>>>>>>>>>>>> the
>>>>>>>>>>>>>> right
>>>>>>>>>>>>>> package? Or did the procedure change from the first one?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Tue, Dec 16, 2008 at 1:54 PM, Jeanfrancois Arcand
>>>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Salut,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> OK, so here's the log, what's interesting here is that I can
>>>>>>>>>>>>>>>> see
>>>>>>>>>>>>>>>> that
>>>>>>>>>>>>>>>> there is an attempt to handle an OP_READ but that is
>>>>>>>>>>>>>>>> followed
>>>>>>>>>>>>>>>> immediately by a socket close on the server.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Looks like there was no bytes available to read. I'm
>>>>>>>>>>>>>>> attaching
>>>>>>>>>>>>>>> a
>>>>>>>>>>>>>>> new
>>>>>>>>>>>>>>> patch
>>>>>>>>>>>>>>> which will display the bytes read. maybe the client has
>>>>>>>>>>>>>>> trouble
>>>>>>>>>>>>>>> sending
>>>>>>>>>>>>>>> more
>>>>>>>>>>>>>>> data?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> A+
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> -- jeanfrancoois
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Tue, Dec 16, 2008 at 11:56 AM, Jeanfrancois Arcand
>>>>>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> My bad. Proper patch attached.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> -- Jeanfrancois
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> You sure about these instructions? This jar file only
>>>>>>>>>>>>>>>>>> contains a
>>>>>>>>>>>>>>>>>> META-INF directory.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On Tue, Dec 16, 2008 at 11:10 AM, Jeanfrancois Arcand
>>>>>>>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Salut,
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> I'm attaching the patch which add more logging (let's
>>>>>>>>>>>>>>>>>>> start
>>>>>>>>>>>>>>>>>>> with
>>>>>>>>>>>>>>>>>>> that
>>>>>>>>>>>>>>>>>>> one).
>>>>>>>>>>>>>>>>>>> Just do:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> % cd ${glassfish.home}/lib
>>>>>>>>>>>>>>>>>>> % unzip grizzly-1.0...
>>>>>>>>>>>>>>>>>>> % cp appserv-rt.jar appserv-rt.jar.org
>>>>>>>>>>>>>>>>>>> % jar uvf appserv-rt.jar com
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> restart and execute your test.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> A+
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> -- Jeanfrancois
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Jeanfrancois Arcand wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Salut,
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> On Mon, Dec 15, 2008 at 3:32 PM, Jeanfrancois Arcand
>>>>>>>>>>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Patrick Julien wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Add
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> -Dcom.sun.enterprise.web.connector.grizzly.snoopEnabled=true
>>>>>>>>>>>>>>>>>>>>>>>>> and
>>>>>>>>>>>>>>>>>>>>>>>>> send
>>>>>>>>>>>>>>>>>>>>>>>>> the log here. But I doubt you will find http
>>>>>>>>>>>>>>>>>>>>>>>>> pipelining
>>>>>>>>>>>>>>>>>>>>>>>>> support
>>>>>>>>>>>>>>>>>>>>>>>>> with
>>>>>>>>>>>>>>>>>>>>>>>>> Tomcat
>>>>>>>>>>>>>>>>>>>>>>>>> (the parser code here is from them)...I think Jetty
>>>>>>>>>>>>>>>>>>>>>>>>> might
>>>>>>>>>>>>>>>>>>>>>>>>> work,
>>>>>>>>>>>>>>>>>>>>>>>>> but
>>>>>>>>>>>>>>>>>>>>>>>>> I'm
>>>>>>>>>>>>>>>>>>>>>>>>> clearly not sure....
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> Wait a minute, that doesn't compute for me. Both
>>>>>>>>>>>>>>>>>>>>>>> glassfish
>>>>>>>>>>>>>>>>>>>>>>> and
>>>>>>>>>>>>>>>>>>>>>>> Tomcat
>>>>>>>>>>>>>>>>>>>>>>> documentation refer to pipelining via the
>>>>>>>>>>>>>>>>>>>>>>> "maxKeepAliveRequests"
>>>>>>>>>>>>>>>>>>>>>>> property.
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> You can see it in the documentation of Tomcat here:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> http://tomcat.apache.org/tomcat-6.0-doc/config/http.html
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> and for glassfish, here:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> http://docs.sun.com/app/docs/doc/820-4507/abhco?a=view
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> OK...http pipelining is not what I means :-) Http
>>>>>>>>>>>>>>>>>>>>>> pipelining
>>>>>>>>>>>>>>>>>>>>>> usually
>>>>>>>>>>>>>>>>>>>>>> refer
>>>>>>>>>>>>>>>>>>>>>> to the ability to sent multiple requests without
>>>>>>>>>>>>>>>>>>>>>> waiting
>>>>>>>>>>>>>>>>>>>>>> for
>>>>>>>>>>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>>>>>>>> response.
>>>>>>>>>>>>>>>>>>>>>> So you can send R1,R2,R3 in one chunk and then wait
>>>>>>>>>>>>>>>>>>>>>> for
>>>>>>>>>>>>>>>>>>>>>> un
>>>>>>>>>>>>>>>>>>>>>> ordered
>>>>>>>>>>>>>>>>>>>>>> response.
>>>>>>>>>>>>>>>>>>>>>> I was under the impression you were talking about that
>>>>>>>>>>>>>>>>>>>>>> behavior.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Yes, this is what I am talking about. Send 10
>>>>>>>>>>>>>>>>>>>>> requests,
>>>>>>>>>>>>>>>>>>>>> then
>>>>>>>>>>>>>>>>>>>>> start
>>>>>>>>>>>>>>>>>>>>> accepting responses.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> OK then the links are not related.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> What you mean here based on the above link is the
>>>>>>>>>>>>>>>>>>>>>> maximum
>>>>>>>>>>>>>>>>>>>>>> number
>>>>>>>>>>>>>>>>>>>>>> of
>>>>>>>>>>>>>>>>>>>>>> requests
>>>>>>>>>>>>>>>>>>>>>> a client can do on an open connection. The client does
>>>>>>>>>>>>>>>>>>>>>> R1,
>>>>>>>>>>>>>>>>>>>>>> wait
>>>>>>>>>>>>>>>>>>>>>> for
>>>>>>>>>>>>>>>>>>>>>> Res1,
>>>>>>>>>>>>>>>>>>>>>> then Req2, wait for Req2, etc.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> No, I really mean sending multiple requests and getting
>>>>>>>>>>>>>>>>>>>>> back
>>>>>>>>>>>>>>>>>>>>> responses
>>>>>>>>>>>>>>>>>>>>> in one shot, if the documentation provided here means
>>>>>>>>>>>>>>>>>>>>> something
>>>>>>>>>>>>>>>>>>>>> different, than it most certainly fooled me.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Now I understand your issue. I think your request is
>>>>>>>>>>>>>>>>>>>>>> invalid
>>>>>>>>>>>>>>>>>>>>>> and
>>>>>>>>>>>>>>>>>>>>>> Grizzly
>>>>>>>>>>>>>>>>>>>>>> is
>>>>>>>>>>>>>>>>>>>>>> waiting for more bytes. Is the snippet you wrote
>>>>>>>>>>>>>>>>>>>>>> previously
>>>>>>>>>>>>>>>>>>>>>> contains
>>>>>>>>>>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>>>>>>>> entire request? I will try to reproduce the issue
>>>>>>>>>>>>>>>>>>>>>> using
>>>>>>>>>>>>>>>>>>>>>> that
>>>>>>>>>>>>>>>>>>>>>> one
>>>>>>>>>>>>>>>>>>>>>> and
>>>>>>>>>>>>>>>>>>>>>> telnet.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> No, as I said before, I am getting 2 to 4 responses
>>>>>>>>>>>>>>>>>>>>> then
>>>>>>>>>>>>>>>>>>>>> nothing
>>>>>>>>>>>>>>>>>>>>> from
>>>>>>>>>>>>>>>>>>>>> the 10 requests. Just a long blocking read followed by
>>>>>>>>>>>>>>>>>>>>> a
>>>>>>>>>>>>>>>>>>>>> disconnect.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Ok let me instrument a patch for you to see what
>>>>>>>>>>>>>>>>>>>> happening.
>>>>>>>>>>>>>>>>>>>> I
>>>>>>>>>>>>>>>>>>>> hope
>>>>>>>>>>>>>>>>>>>> I
>>>>>>>>>>>>>>>>>>>> don't
>>>>>>>>>>>>>>>>>>>> have to drive to see the problem live (at least not
>>>>>>>>>>>>>>>>>>>> today
>>>>>>>>>>>>>>>>>>>> as
>>>>>>>>>>>>>>>>>>>> I
>>>>>>>>>>>>>>>>>>>> will
>>>>>>>>>>>>>>>>>>>> need
>>>>>>>>>>>>>>>>>>>> a
>>>>>>>>>>>>>>>>>>>> boat :-)). Gives me 1 hour or so.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> A+
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> -- Jeanfrancois
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> A+
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> -- jeanfrancois
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
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>>>>>>>>>> --
>>>>>>>>>> http://www.spectrumdt.com
>>>>>>>>>> http://codepimps.org
>>>>>>>>>>
>>>>>>>>
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