On 11/08/2010 07:08, Karthik Nanjangude wrote:
> Hi
> 
> Ok I have copied the wire shark test samples for the 2 Post Requests [ Apache 
> to JBOSS (Tomcat Internal )..This was taken Aug 9, 2010
> 
> 
> 
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1nd Post Request
> 
> No.     Time        Source                Destination           Protocol Info
>   10022 30.516874   10.151.41.160         10.151.41.163         TCP      
> 33403 > 8109 [PSH, ACK] Seq=2079 Ack=4544 Win=15600 Len=65 TSV=2265749122 
> TSER=2977204079
> 
> Frame 10022 (131 bytes on wire, 131 bytes captured)
>     Arrival Time: Aug  9, 2010 15:30:35.485640000


> Data (65 bytes)
> 
> 0000  12 34 00 3d 00 3b 73 69 6d 3d 38 39 36 30 31 39   .4.=.;sim=896019
> 0010  39 39 30 30 32 30 34 32 36 33 37 35 26 63 61 6e   990020426375&can
> 0020  6d 73 69 73 64 6e 3d 31 30 35 32 37 37 37 37 37   msisdn=105277777
> 0030  26 61 63 63 6f 75 6e 74 69 64 3d 36 37 39 37 35   &accountid=67975
> 0040  31                                                1
>     Data: 1234003D003B73696D3D3839363031393939303032303432...
>     [Length: 65]
> 
> 
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 2nd Post Request
> 
> No.     Time        Source                Destination           Protocol Info
>   15548 42.619208   10.151.41.160         10.151.41.163         TCP      
> 33418 > 8109 [PSH, ACK] Seq=1075 Ack=6 Win=5840 Len=65 TSV=2265761224 
> TSER=2977216182
> 
> Frame 15548 (131 bytes on wire, 131 bytes captured)
>     Arrival Time: Aug  9, 2010 15:30:47.587974000


> 0000  12 34 00 3d 00 3b 73 69 6d 3d 38 39 36 30 31 39   .4.=.;sim=896019
> 0010  39 39 30 30 32 30 34 32 36 33 37 35 26 63 61 6e   990020426375&can
> 0020  6d 73 69 73 64 6e 3d 31 30 35 32 37 37 37 37 37   msisdn=105277777
> 0030  26 61 63 63 6f 75 6e 74 69 64 3d 36 37 39 37 35   &accountid=67975
> 0040  31                                                1
>     Data: 1234003D003B73696D3D3839363031393939303032303432...
>     [Length: 65]


#1  I'm not sure the JavaScript you posted will work in all browsers.

#2  These two requests are around 12 seconds apart.  Perform exactly the
same test at least 10 more times and report what the period between the
pair of requests is.

#3  I can't see from the trace above what the resource type is, but if
it's a PDF for example, the browser (+plugin) may be attempting to open
multiple connections with different byte ranges.


p

> -----Original Message-----
> From: Karthik Nanjangude [mailto:karthik.nanjang...@xius-bcgi.com]
> Sent: Wednesday, August 11, 2010 11:03 AM
> To: Tomcat Users List
> Subject: RE: 2 POST requests to underlying Server
> 
> Hi
> 
>>> wireshark or tcpdump running on the external + internal segments 
>>> simultaneously.
> 
> I can provide u the tcp dump samples which we used to validate using White 
> shark.
> 
> 
> Of course I need some time (probably by EOD ) to get permission from my 
> authorities for the same.
> 
> Is this ok with u
> 
> 
> With regards
> KArthik
> 
> -----Original Message-----
> From: Hassan Schroeder [mailto:hassan.schroe...@gmail.com]
> Sent: Wednesday, August 11, 2010 10:49 AM
> To: Tomcat Users List
> Subject: Re: 2 POST requests to underlying Server
> 
> On Tue, Aug 10, 2010 at 10:07 PM, Karthik Nanjangude
> <karthik.nanjang...@xius-bcgi.com> wrote:
> 
>> The same test performed on the Internal IP (http://<ip:port>/ABCD), and was 
>> observed that the single Post request was observed with single Insertion to 
>> DB ... compared to 2 POST request via External IO ( http://ABCD.com )
>>
>> So how does this prove that the JavaScript as stated below is not working 
>> .... :(
> 
> Forget the browser and the JavaScript -- reproduce the problem using
> wget or curl or something basic to initiate your request, with wireshark
> or tcpdump running on the external + internal segments simultaneously.
> 
> Then you'll have some interesting data :-)




> --
> Hassan Schroeder ------------------------ hassan.schroe...@gmail.com
> twitter: @hassan
> 
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