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From Amila Suriarachchi <amilasuriarach...@gmail.com>
Subject Re: Axis2 1.5.1 service handling is very slow
Date Thu, 14 Jan 2010 05:46:41 GMT
On Wed, Jan 13, 2010 at 5:21 PM, Martin Gerner <
martin.gerner@postgrad.manchester.ac.uk> wrote:

> Hi all,
>
> I'm running a simple web service which receives a string from the
> client, processes it and returns an array of custom objects (nothing
> complicated, they're just data holders containing a few ints, strings
> and booleans). While the actual serverside processing performed by my
> server code is performed very fast, the response times from the server
> are very large and seem to be linear in the number of returned objects.
>
> A short example: if I send a string to the server which results in 0
> objects being returned, the response from the server is received just a
> few milliseconds after the request is made. If the string is modified
> such that it returns one object, that increases to 8 seconds, and if it
> returns two objects it increases to 16 seconds. In all cases, I can see
> that the actual processing takes less than a second, so the web service
> java code that I've deployed is handling the requests quickly.
>
> All responses are small in size - the largest is ~900 bytes (so I can't
> imagine that it's an XML transformation issue). Using packet sniffers, I
> can see that the delay definitely is occurring on the server side (for
> the last example, I could see the POST packet going to the server, and
> then the response packet coming back 16 seconds later). Going by client
> and server log timings, I can see that the delay occurs after processing
> rather than before.
>
> I'm running axis2 1.5.1 with default settings, have tested it running on
> both the bundled SimpleAxisServer and Tomcat (both on a Debian server)
> and am using a very simple client based on code auto-generated by axis
> from the WSDL (running in Windows).
>
> Does anybody here have any clue as to what's causing the delays? It
> seems clear enough that it's something in the internal axis2 system, but
> as I'm quite new to axis2 I'm having difficulties locating the issue.
>

As a alternative you can use the contract first approach.
you can get the wsdl which is generated from the POJO and generate the
server side code for that.
then use the generated Skelton class to call your pojo.

thanks,
Amila.

>
> Best wishes,
> Martin Gerner
>



-- 
Amila Suriarachchi
WSO2 Inc.
blog: http://amilachinthaka.blogspot.com/

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