So are you "basically" saing that Savan/C informs a subscriber about availability of information by a callback mechanism?
Josef -----Ursprüngliche Nachricht----- Von: Damitha Kumarage [mailto:[email protected]] 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:[email protected]] > *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 <[email protected] > <mailto:[email protected]>> 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 <[email protected] > <mailto:[email protected]>> 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 <[email protected] > <mailto:[email protected]> <mailto:[email protected] > <mailto:[email protected]>>> 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 <[email protected] > <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>>> 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 > > <[email protected] <mailto:[email protected]> > <mailto:[email protected] <mailto:[email protected]>>> 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 > <[email protected] > <mailto:[email protected]> > <mailto:[email protected] > <mailto:[email protected]>> > <mailto:[email protected] > <mailto:[email protected]> > <mailto:[email protected] > <mailto:[email protected]>>>> 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 > <[email protected] <mailto:[email protected]> > <mailto:[email protected] <mailto:[email protected]>> > <mailto:[email protected] > <mailto:[email protected]> > <mailto:[email protected] > <mailto:[email protected]>>>> 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/ > > __________________________________________________________________ > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>> > > > For additional commands, e-mail: > [email protected] > <mailto:[email protected]> > > <mailto:[email protected] > <mailto:[email protected]>> > > > > > > -- > __________________________________________________________________ > > Damitha Kumarage > Technical Lead; WSO2 Inc. > "Oxygenating the Web Service Platform; " http://www.wso2.com/ > > blog: " http://damithakumarage.wordpress.com/ > __________________________________________________________________ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > <mailto:[email protected]> > For additional commands, e-mail: [email protected] > <mailto:[email protected]> > > > > > -- __________________________________________________________________ Damitha Kumarage Technical Lead; WSO2 Inc. "Oxygenating the Web Service Platform; " http://www.wso2.com/ blog: " http://damithakumarage.wordpress.com/ __________________________________________________________________ --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
