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From vchen1 <>
Subject Artemis 2.2.0, createTopic create an anycast when there is no consumer created
Date Fri, 04 Aug 2017 15:25:07 GMT
I just downloaded the latest Artemis 2.2.0 and trying to test it with sending
message through a Topic. Here is my config in broker.xml (Basically, it is
default from the box):

         <security-setting match="#">
            <permission type="createNonDurableQueue" roles="amq"/>
            <permission type="deleteNonDurableQueue" roles="amq"/>
            <permission type="createDurableQueue" roles="amq"/>
            <permission type="deleteDurableQueue" roles="amq"/>
            <permission type="createAddress" roles="amq"/>
            <permission type="deleteAddress" roles="amq"/>
            <permission type="consume" roles="amq"/>
            <permission type="browse" roles="amq"/>
            <permission type="send" roles="amq"/>
            <permission type="manage" roles="amq"/>

Here is my sender side code: 
String connectionUrl = "amqp://localhost:5672";
ConnectionFactory connectionFactory = new
connection = connectionFactory.createConnection();

session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topicQueue = session.createTopic("SpyTopic9");
MessageProducer topicSender = session.createProducer(topicQueue);

and receiver side: 
Topic topicQueue = session.createTopic("SpyTopic9");
MessageConsumer topicConsumer = session.createConsumer(topicQueue);

my sender and receiver code is a 2 separate program which located on 2
different machine. I noticed that if I start sender side program first
without receiver side code running, the artemis created a anycast instead of
multicast. And at this time, if I start the receiver side, it shows me the
following message :

 Exception:Address SpyTopic9 is not configured for topic support [condition
= amqp:illegal-state]

And if I started receiver first and then start sender, then everything looks
fine. The topic is created with multicast. I would like to know if there is
any configuration I should do or this is intended to be? Or I have to
pre-config the topic in broker.xml? 


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