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From MarkusJ <Markus.Moel...@desy.de>
Subject Re: How to define properties for Topics and Queues
Date Fri, 18 May 2007 09:27:54 GMT



James.Strachan wrote:
> 
> On 5/18/07, JohnF <Markus.Moeller@desy.de> wrote:
>>
>> Hello,
>>
>> I tried to use JNDI and the lookup() methode to get a topic for a client.
>>
>>             properties = new Hashtable<String, String>();
>>
>>             properties.put(Context.INITIAL_CONTEXT_FACTORY,
>> "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
>>
>>             Context context = new InitialContext(properties);
>>
>>             ConnectionFactory connectionFactory =
>> (ConnectionFactory)context.lookup("ConnectionFactory");
>>
>>             properties.put(Context.PROVIDER_URL,
>> "tcp://localhost:61616");
>>
>>            Topic destination = (Topic)context.lookup("NAME_OF_TOPIC");
>>
>> It failed and I got the NameNotFoundException. If I added the following
>> line, it does work:
>>
>>             properties.put("topic.NAME_OF_TOPIC", "NAME_OF_TOPIC");
>>
>> I do not want to use a property file that is stored in the classpath. How
>> do
>> I have to configure a topic or a queue to avoid defining the Name of the
>> destination for JNDI in the code of the client?
> 
> You could load the properties file from some remote resource (file
> server, web server, database). Or you could use some other JNDI
> provider if you want (Sun's or one from your J2EE container) - which
> amounts to the same thing but adds tons of work usually.
> 
> Or use spring and put the creation of the destinations in your
> spring.xml. Or just ditch JNDI/spring entirely and use the JMS API to
> create the topics you want?
> 
> -- 
> James
> -------
> http://macstrac.blogspot.com/
> 
> 

Hello James,

thank you for answer. My hope was, that I can use the topic element of the
configuration file. I have found the description of the topic element  in
the reference page . The topic element has got one property called
'properties'. The description says: 'Get the properties from this instance
for storing in JNDI.'.

Is ist not possible to define the JNDI name of the topic at this place? How
do I have to do it(the format of the entry)?

Regards,
MarkusF
-- 
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