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<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>Hi Matthias,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>I declare exchange and queue are durable, and met all what you said. Now
I post my code lines to below, <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>and the attachment is the wrapper class of rabbit API, if you have some
ideas in my code lines. Please let me know. <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>Thanks.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>//declare exchange<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color="#339966" face=����><span lang=EN-US
style='font-size:9.0pt;color:#339966'>rabbitmqWrapper.ExchangeDeclare(Exchange.ExchangeName,
ExchangeType.Topic, false, true, false, false, false, null);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>//declare queue<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color="#339966" face=����><span lang=EN-US
style='font-size:9.0pt;color:#339966'>rabbitmqWrapper.QueueDeclare(Queue.QueueName,
false, true, false, false, false, null);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>//bind queue<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 color="#339966" face=����><span lang=EN-US
style='font-size:9.0pt;color:#339966'>rabbitmqWrapper.QueueBind(quename,
exchangename,"test",false,null);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>//send message<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>private void SendMessage()<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>{<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'> string xml =
GetXml();<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'> RabbitmqWrapper
wrapper =new RabbitmqWrapper();<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'> wrapper.PublishMessage("wslinboundexchange",wslinboundque,"test",xml);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>}<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face=����><span lang=EN-US style='font-size:
10.5pt'>//function of RabbitmqWrapper class<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>public void PublishMessage(string
exchangeName,string queueName,string returnKey,string xml)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>{<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>IConnection conn = new
ConnectionFactory().CreateConnection(this.rabbitmqHost);
using (IModel ch = conn.CreateModel())<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'> {<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
IBasicProperties props = ch.CreateBasicProperties();<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
props.ContentType = "text/plain";<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
props.DeliveryMode = 2;<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
IStreamMessageBuilder b = new StreamMessageBuilder(ch);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
byte[] byptes = Encoding.UTF8.GetBytes(xml);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
b.WriteBytes(byptes);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>
ch.BasicPublish(exchangeName, returnKey,null,byptes);<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'> }<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 color="#339966" face=����><span lang=EN-US
style='font-size:10.5pt;color:#339966'>}<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>-----Original Message-----<br>
From: Matthias Radestock [mailto:matthias@lshift.net] <br>
Sent: 2009</span>��<span lang=EN-US>7</span>��<span lang=EN-US>29</span>��<span
lang=EN-US> 8:34<br>
To: Wilson Ke<br>
Cc: '<st1:PersonName w:st="on">rabbitmq-discuss@lists.rabbitmq.com</st1:PersonName>'<br>
Subject: Re: [rabbitmq-discuss] Durable queues and high availability (broker
failage)</span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><st1:City w:st="on"><st1:place w:st="on"><font size=1
face=����><span lang=EN-US style='font-size:9.0pt'>Wilson</span></font></st1:place></st1:City><span
lang=EN-US>,<o:p></o:p></span></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>Wilson Ke wrote:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>> When I restart rabbitmq server,the durable queue had purge all<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>> messages. I want to remain these messages in the durable queue
after<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>> restart rabbitmq server,how can I do? Btw,I use<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>> deliverymode=2(persistent) to send messages to the queue.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>As long as the queues are marked as durable, are not exclusive or<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>auto-delete, and the messages are marked as persistent, then the queues<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>and messages should survive a broker restart.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>If all these conditions are met in your setup and the messages still<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>disappear then please post the code that creates the queues and the code<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>that sends the messages.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>Regards,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=1 face=����><span lang=EN-US style='font-size:
9.0pt'>Matthias.<o:p></o:p></span></font></p>
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