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From KB Shiva Gowda <Shiva.Go...@headstrong.com>
Subject RE: Using Qpid Persistence -- Help Required
Date Thu, 17 Mar 2011 19:14:56 GMT
Thanks for your help.
I will try this out tomorrow.

-----Original Message-----
From: Ilyushonak Barys [mailto:Barys_Ilyushonak@troika.ru]
Sent: Thursday, March 17, 2011 10:16 PM
To: users@qpid.apache.org
Subject: RE: Using Qpid Persistence -- Help Required

I hope it will help
http://qpid.apache.org/books/0.8/Programming-In-Apache-Qpid/html/ch05s03.html#id3088698

Property: Durable
.NET    public bool Durable { get; set; }

-----Original Message-----
From: KB Shiva Gowda [mailto:Shiva.Gowda@headstrong.com]
Sent: Thursday, March 17, 2011 7:23 PM
To: users@qpid.apache.org
Subject: RE: Using Qpid Persistence -- Help Required

I've made the queue durable as follows,

session.QueueDeclare(queue, org.apache.qpid.transport.Option.DURABLE);

still not persisting.



-----Original Message-----
From: KB Shiva Gowda
Sent: Thursday, March 17, 2011 8:36 PM
To: users@qpid.apache.org
Subject: RE: Using Qpid Persistence -- Help Required

Thanks a lot, Steve

I am working on it, now.

I have C++ broker but the clients (both publisher & subscriber) are in .NET.
Please provide some pointer for making  Queue & Message DURABLE in .NET clients.

Thanks,
KBS

-----Original Message-----
From: Steve Huston [mailto:shuston@riverace.com]
Sent: Thursday, March 17, 2011 8:20 PM
To: users@qpid.apache.org
Subject: RE: Using Qpid Persistence -- Help Required

> I have built qpid C++ source and I am starting  the QPID with
> following command
>
> qpidd.exe --auth no  --data-dir "D:\QPID\Data" --load-module "D:\
> qpidc-0.8\bin\stored.dll" --load-module
> "D:\qpidc-0.8\bin\msclfs_stored.dll"
>
> Is this the correct option to start QPID with Persistence?

Assuming there's not really a space in the first load-module, yes.
>
> It's creating QpidStore Database on my SQL Server.  But it's not
> persisting the data published.

Ok. Well, you have verified that the modules are loading at least.

> Here, How I tested this......
>
> 1) Start QPID with above command
>
> 2) Execute Subscriber/Listener and subscribed for topic 'abc'
>  -  Kill the subscriber after this
>
> 3) Execute Publisher and publish  'abc' -- Kill the publisher after
> this
>
> 4) Run, Subscriber/Listener again, -- I got all messages published So,
> in-memory persistence is working.
>
>
>
> 1) Start QPID with above command
>
> 2) Execute Subscriber/Listener and subscribed for topic 'abc'
>  -  Kill the subscriber after this
>
> 3) Execute Publisher and publish  'abc' -- Kill the publisher after
> this 4)Shut down QPID
>
> 4) Run, Subscriber/Listener again, -- I got No messages
>
>
>
> So, actual persistence is NOT working. OR my understanding of QPID
> persistence is wrong.
>
> Please help me in enabling it.

The queue and messages sent both need to be marked persistent. Unless you make the appropriate
changes to enable persistence in the application, the messages won't be stored.

-Steve

--
Steve Huston, Riverace Corporation
Total Lifecycle Support for Your Networked Applications http://www.riverace.com


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