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From "Stadelmann Josef" <josef.stadelm...@axa-winterthur.ch>
Subject AW: AW: Publishing to the Data Sink url failed
Date Tue, 07 Dec 2010 15:14:21 GMT
So are you "basically" saing that Savan/C informs a subscriber 
about availability of information by a callback mechanism?

Josef



-----Urspr√ľngliche Nachricht-----
Von: Damitha Kumarage [mailto:damitha@wso2.com] 
Gesendet: Montag, 6. Dezember 2010 19:10
An: Apache AXIS C User List
Betreff: Re: AW: Publishing to the Data Sink url failed

Stadelmann Josef wrote:
>
> I am interested in this aspects too.
>
>  
>
> From an architectural point of view we have two paradigms
>
>  
>
> 1.       We have the provider / consumer paradigm and
>
> 2.       We have the publisher / subscriber paradigm
>
>  
>
> In the provider / consumer paradigm the consumer polls on a regular 
> basis for information  provided by the provider
>
>  
>
> In a publisher / subscriber paradigm, the subscriber subscribes once 
> with the publisher and defines the information it is interested in and
>
> the publisher informs the subscriber when the information becomes 
> available or it delivers the information straight to the subscriber up 
> on availability
>
>  
>
> Can you provide the implementations used to implement one or both 
> paradigms.
>
Savan/C is basically a pub/sub implementation

Damitha
>
>  
>
> Josef
>
>  
>
> *Von:* anees k A [mailto:anees.ka@vvdntech.com]
> *Gesendet:* Montag, 6. Dezember 2010 11:01
> *An:* Apache AXIS C User List
> *Betreff:* Re: Publishing to the Data Sink url failed
>
>  
>
> Damitha,
>
>  
>
> Have you found any solution to the problem?
>
>  
>
> -- anees
>
> On Thu, Dec 2, 2010 at 9:39 AM, anees k A <anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com>> wrote:
>
> Damitha,
>
>  
>
> Thank you very much for your response. Kindly let me know if you find 
> anything on the matter.
>
>  
>
> -- anees
>
>  
>
> On Thu, Dec 2, 2010 at 7:06 AM, Damitha Kumarage <damitha@wso2.com 
> <mailto:damitha@wso2.com>> wrote:
>
> anees k A wrote:
>
> Hi,
>
> I am still stuck at this. Can anyone please help me.
>
> Could reproduce your problem. Will look into this asap
>
>      
>
>
>     Also please help me understand the following point.
>
>     "This is not part of Savan implementation. Subscriber is supposed
>     to "know" his own data sink."
>
>     So how does the subscriber know some data is published? Will it
>     keep on polling the sink at periodic interval? (Please excuse my
>     lack of understanding.)
>
> You need to handle the communication between your listner service and 
> your client program
>
> Damitha
>
>
> -- anees
>
>
>
> On Tue, Nov 30, 2010 at 9:51 AM, anees k A <anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com> <mailto:anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com>>> wrote:
>
>    Damitha,
>
>    Were you able to locate anything from the logs? I can see the
>    service getting listed using web-browser. Also if I invoke
>    "listener" (sink) separately, it is working. Any idea why this is
>    happening?
>
>    -- anees
>
>    On Mon, Nov 29, 2010 at 11:01 AM, anees k A <anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com>
>
>    <mailto:anees.ka@vvdntech.com <mailto:anees.ka@vvdntech.com>>> wrote:
>
>        Damitha,
>
>        1. No data is published.
>        Log files are attached with this mail. Please note that the
>        logs attached are only for two commands from "subscriber" app
>        - Subscribe and Generate weather event.
>        2. "This is not part of Savan implementation. Subscriber is
>        supposed to "know" his own data sink."
>
>        So how does the subscriber know some data is published? Will
>        it keep on polling the sink at periodic interval? (Please
>        excuse my lack of understanding.)
>
>        -- anees
>
>
>        On Mon, Nov 29, 2010 at 7:55 AM, Damitha Kumarage
>
>        <damitha@wso2.com <mailto:damitha@wso2.com> 
> <mailto:damitha@wso2.com <mailto:damitha@wso2.com>>> wrote:
>
>            anees k A wrote:
>
>                Samisa,
>
>                Using the browser I can see the data sync listed. Also
>                I used the sample application hello that comes with
>                Axis2/C to check the functionality of the "listener"
>                data sync. It is working fine.
>
>            Can you grab the message published to the data sink
>            through tcpmon?. If the data is not published at all,
>            please send me the savan log file
>
>
>                To verify my understanding :
>
>                1. Subscriber subscribes to Data source for an event
>                2. Data source, when an event, as subscribed by the
>                subscriber, is generated, publishes the data to the
>                data sink
>
>            Yes when an event generated the data source publish it to
>            the corresponding subscribers, data sink.
>
>                who in turn informs the subscriber.
>
>            This is not part of Savan implementation. Subscriber is
>            supposed to "know" his own data sink.
>
>            Damitha
>
>
>                Is this understanding correct? In this tutorial,
>                http://wso2.org/library/3149 this is not clearly
>                mentioned. Can you please help me?
>
>                -- anees
>
>                On Fri, Nov 26, 2010 at 6:02 AM, Samisa Abeysinghe
>                <samisa.abeysinghe@gmail.com 
> <mailto:samisa.abeysinghe@gmail.com>
>                <mailto:samisa.abeysinghe@gmail.com 
> <mailto:samisa.abeysinghe@gmail.com>>
>                <mailto:samisa.abeysinghe@gmail.com 
> <mailto:samisa.abeysinghe@gmail.com>
>                <mailto:samisa.abeysinghe@gmail.com 
> <mailto:samisa.abeysinghe@gmail.com>>>> wrote:
>
>                   Do you have your data sync working? Can you see if
>                that is working
>                   using the browser or something?
>
>                   On Thu, Nov 25, 2010 at 12:32 PM, anees k A
>                <anees.ka@vvdntech.com <mailto:anees.ka@vvdntech.com> 
> <mailto:anees.ka@vvdntech.com <mailto:anees.ka@vvdntech.com>>
>                   <mailto:anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com>
>                <mailto:anees.ka@vvdntech.com 
> <mailto:anees.ka@vvdntech.com>>>> wrote:
>
>                       Hi,
>
>                       I am trying to understand Savan/C
>                implementation. While trying
>                       out the sample subscriber-weather-listener
>                example, I am
>                       seeing the below error :
>
>                       [error] publisher.c(225) Publishing to the Data
>                                     
>  Sink:http://localhost:9090/axis2/services/listener
>                proviced by
>                                     
>  subscriber:urn:uuid:d22426a8-f85b-1df1-283b-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>
>                       This happens when I am trying to issue the
>                command "5 Generate
>                       weather event" from subscriber app. Any idea
>                why this is
>                       happening ? I am running axis2c server and
>                installed Savan/C
>                       to axis2c.
>                       Regards
>
>                       Anees
>
>
>                       Detailed Log <axis2c>
>
>                       [Thu Nov 25 12:32:31 2010] [info]  Starting
>                addressing in handler
>                       [Thu Nov 25 12:32:31 2010] [info]  [savan][in
>                handler]
>                       Unhandled message type
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:2a1d9ccc-f79e-1df1-2aa4-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:40f0c8c0-f79e-1df1-2aaf-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:deb954d4-f7ab-1df1-2ac3-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:4d5f6c30-f7c4-1df1-3254-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:cfade486-f7c5-1df1-3b39-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:44b5f7d2-f7c6-1df1-3b40-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:6f047970-f7c9-1df1-3b47-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:fe13e6e6-f7c9-1df1-3886-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:0d3574a0-f7f2-1df1-2241-000000000000
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:5b86caa4-f852-1df1-21d1-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:77a2f500-f852-1df1-21d4-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:d22426a8-f85b-1df1-283b-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:dd3bc4dc-f861-1df1-2be6-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(308) Could not
>                       create the filter module
>                       [Thu Nov 25 12:32:31 2010] [error]
>                publisher.c(225) Publishing
>                       to the Data
>                Sink:http://localhost:9090/axis2/services/listener
>                       proviced by
>                                     
>  subscriber:urn:uuid:f6c3869c-f861-1df1-3c59-00215c16d651
>                       Failed. Check whether the Data Sink url is correct
>                       [Thu Nov 25 12:32:31 2010] [info]  Request
>                served in 0.152 seconds
>
>                   Samisa ...
>
>                   http://samisa-abeysinghe.blogspot.com/
>
>
>
>
>            --             
> __________________________________________________________________
>
>            Damitha Kumarage
>            Technical Lead; WSO2 Inc.
>            "Oxygenating the Web Service Platform; " http://www.wso2.com/
>
>            blog: " http://damithakumarage.wordpress.com/
>           
>  __________________________________________________________________
>
>           
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> -- 
> __________________________________________________________________
>
> Damitha Kumarage
> Technical Lead; WSO2 Inc.
> "Oxygenating the Web Service Platform; " http://www.wso2.com/
>
> blog: " http://damithakumarage.wordpress.com/
> __________________________________________________________________
>
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-- 
__________________________________________________________________

Damitha Kumarage
Technical Lead; WSO2 Inc.
"Oxygenating the Web Service Platform; " http://www.wso2.com/

blog: " http://damithakumarage.wordpress.com/
__________________________________________________________________

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