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Date: Fri, 22 Feb 2008 10:35:34 -0800 (PST)
From: samir shaikh <aquasamba@yahoo.com>
Subject: Re: [Axis2][Savan] Is there WS Eventing for Axis2/Java
To: axis-user@ws.apache.org
In-Reply-To: <47BD97BE.9040704@ittc.ku.edu>
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Message-ID: <553670.57440.qm@web63905.mail.re1.yahoo.com>

Hi Leon,

I was able to get around to the service not executing
the function by defining a simple servlet as the event
listeners vs. using the listener service in the sample
code.

I see a SOAP message as an event, do you of a way to
tweek this to get a simple xml.

What advantage did you get by moving from AXIOM to
ADB.

Samir

--- Leon Searl <searl@ittc.ku.edu> wrote:

> Hi Samir,
> 
> No we are getting into an area that I am not very
> familiar with.
> 
> I saw the same behavior with the savan sample.
> I turned on a whole bunch of debugging and found
> out that the publication message within the
> listener service was getting
> through most of the phases but seemed to be
> getting dropped at the point where
> axis2 uses reflection to try to find the method
> in the service implementation class to invoke for
> the operation. I did not look any further
> to try to determine what the problem was.
> 
> I made a whole bunch of changes to savan to
> support services and clients using ADB instead
> of Axiom which
> seems to have solved the problem for me.
> 
> leon
> 
> samir shaikh wrote:
> > Leon,
> > 
> > I was just hoping to include a payload in the
> > subscribe request... but apparently as per the
> > specification thats not the way this is supposed
> to
> > work.
> > 
> > I also noticed that it looks like fireandforget
> method
> > is used for publishing events to the event
> listener.
> > In my case the event does not appear to be getting
> > processed by the listener even though a Http
> Status
> > code is being returned by the ListenerService.
> > 
> > I suspect this because I can see the same behavior
> > when I do a fireandforget vs. a sendRecieve from
> my
> > subscriber client.
> > 
> > Any ideas or configuration on the web server or on
> > savan to get around to this?
> > 
> > Samir
> > 
> > 
> > --- Leon Searl <searl@ittc.ku.edu> wrote:
> > 
> >> Hi Samir,
> >>
> >> I'm not sure what you mean.
> >> I assume that what you want to do is add some
> data
> >> to the
> >> subscription request that the publisher/eventing
> >> service would then add
> >> to the published data sent to a subscriber
> service
> >> when
> >> an event occurs.
> >>
> >> If you take a look
> >> at the specification for WS-Eventing you'll
> >> see that there is not much extra that you can put
> >> into the subscribe request. So I doubt that
> >> it is possible to do what you ask.
> >>
> >> There is nothing to prevent you from adding more
> >> operations to an eventing service where one
> >> operation
> >> would for storing the extra data that you want
> >> sent out with event notifications.
> >>
> >> leon
> >>
> >> samir shaikh wrote:
> >>> Hi Leon,
> >>>
> >>> Is there a way to put a payload in the subscribe
> >>> request? I was hoping to call a service on the
> >> server
> >>> with the subscribe request.
> >>>
> >>> Thanks,
> >>> Samir
> >>>
> >>> --- Leon Searl <searl@ittc.ku.edu> wrote:
> >>>
> >>>> Hi Samir,
> >>>>
> >>>> Please look at
> >>>> https://issues.apache.org/jira/browse/SAVAN-4
> >>>> I've attached a couple of patches that should
> fix
> >>>> the
> >>>> savan-config.xml issue that I described below.
> >>>>
> >>>> leon
> >>>>
> >>>> Leon Searl wrote:
> >>>>> Hi Samir,
> >>>>>
> >>>>> I've made several changes.
> >>>>>
> >>>>> - There was a problem with the module class
> >>>>>   loader looking for the savan-config.xml
> >>>>>   file in the jar file. The config file does
> not
> >>>> get
> >>>>>   included in the jar if you do a clean build.
> >>>>>   Although it will get included in the jar if
> >>>>>   you do two builds in a row without a clean
> >>>>>   in between.
> >>>>>   I changed the module class init function to
> >>>>>   only look for the savan-config.xml in the
> mar
> >>>>>   file.
> >>>>>
> >>>>> - It is redundant to have all of the classes
> in
> >>>>>   both the jar and mar files. I made a change
> >>>>>   so that only the savan-module.class was in
> the
> >>>>>   mar.
> >>>>>
> >>>>> - I made a change to support using ADB for the
> >>>>>   client, publisher and subscriber.
> >>>>>
> >>>>> - I was not able to make the sample work. I
> >>>>>   think that something must have changed
> >>>>>   in axis2 1.3 to stop it from working.
> >>>>>   Everything works until the published
> messaged
> >>>>>   message gets to the subscriber. The message
> is
> >>>>>   getting dropped somewhere just before the
> >>>>>   business logic would get invoked. I believe
> >>>>>   that it has something to do with addressing
> >>>>>   being 'on' on the publisher out side but
> >>>> addressing
> >>>>>   not being 'on' in the subscriber. But
> >>>>>   I'm not sure about this.
> >>>>>
> >>>>> leon
> >>>>>
> >>>>> samir shaikh wrote:
> >>>>>> Leon,
> >>>>>>
> >>>>>> I was able to make it work finally!
> >>>>>>
> >>>>>> Just curious, what changes are you making to
> >>>> Savan...
> >>>>>> anything that is needed to get WS-Eventing
> >> going?
> >>>>>> Samir
> >>>>>>
> >>>>>> --- Leon Searl <searl@ittc.ku.edu> wrote:
> >>>>>>
> >>>>>>> Hi Samir,
> >>>>>>>
> >>>>>>> I have significantly modified
> >>>>>>> Savan so I don't have a stock jar and mar.
> >>>>>>> I'm reluctant to give you my modified Savan
> >>>>>>> since I'm sure it has bugs.
> >>>>>>>
> >>>>>>> leon
> >>>>>>>
> >>>>>>> samir shaikh wrote:
> >>>>>>>> Leon,
> >>>>>>>>
> >>>>>>>> I'm having trouble getting maven to work
> thru
> >>>> my
> >>>>>>>> proxy.
> >>>>>>>>
> >>>>>>>> Can you send me the compiled jar and mar
> you
> >>>>>>> mention
> >>>>>>>> below?
> >>>>>>>>
> >>>>>>>> I'm assuming they'll be exactly the same if
> i
> >>>> were
> >>>>>>> to
> >>>>>>>> get mvn working also.
> >>>>>>>>
> >>>>>>>> Samir
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> --- Leon Searl <searl@ittc.ku.edu> wrote:
> >>>>>>>>
> >>>>>>>>> Hi Samir,
> >>>>>>>>>
> >>>>>>>>> Yes, although I have not used the mar or
> jar
> 
=== message truncated ===


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