Wireshark-users: [Wireshark-users] Fw: Re: Metro/JAXWS and network packets...

From: Tony Anecito <adanecito@xxxxxxxxx>
Date: Thu, 15 Oct 2009 12:03:53 -0700 (PDT)
Hi Wireshark group.

I narrowed down the redundant packets last night/this morning. I have notified the Sun group about the issue and am still looking at it closer.

Thanks for the help this has been a huge issue for me and now for Sun perhaps.

Best Regards,
-Tony

--- On Thu, 10/15/09, Tony Anecito <adanecito@xxxxxxxxx> wrote:

> From: Tony Anecito <adanecito@xxxxxxxxx>
> Subject: Re: Metro/JAXWS and network packets...
> To: users@xxxxxxxxxxxxxxxxxx
> Cc: "JWSDP Dev" <dev@xxxxxxxxxxxxxxxxxxx>
> Date: Thursday, October 15, 2009, 11:18 AM
> Hi All,
> 
> I created a simple java program that created a URL object
> and sent a http request to a Tomcat server for a small less
> than 1500 byte file and two packets were set to/from the
> Tomcat Server.
> When I send the same request via FireFox only one packet is
> sent/recieved.
> So this is not a Metro issue but a core issue with the jre
> and TCP.
> 
> This issue may only be with data less than 1500 bytes and
> TCP.
> 
> Regards,
> -Tony
> 
> --- On Thu, 10/15/09, Tony Anecito <adanecito@xxxxxxxxx>
> wrote:
> 
> > From: Tony Anecito <adanecito@xxxxxxxxx>
> > Subject: Metro/JAXWS and network packets...
> > To: "Metro" <users@xxxxxxxxxxxxxxxxxx>
> > Cc: "JWSDP Dev" <dev@xxxxxxxxxxxxxxxxxxx>
> > Date: Thursday, October 15, 2009, 1:36 AM
> > I noticed if I send a request via
> > Metro using a small object that is less than 1460
> bytes
> > (Maximm Segment Size or MTU Maximum Transport Unit
> size) the
> > data gets sent/received in two packets. If I use
> Firefox and
> > request a small html file I only get one packet.
> > 
> > Any idea why this is happening? It seems to double
> the
> > number of packets for communication. The data is not
> > duplicated in the two packets but instead is
> fragmented.
> > 
> > I am using a Java Client using jre 1.6.0_16 and the
> Tomcat
> > Server hosting the web service is also using jdk
> 1.6.0_16.
> > All are Windows based OS.
> > 
> > Regards,
> > -Tony
> > 
> > 
> >       
> > 
> >
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> 
> 
> 
> 
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