[jira] [Created] (ARTEMIS-1937) Diverts do not work with auto created queues

["Lionel Cons (JIRA)" <ji...@apache.org>]

Lionel Cons created ARTEMIS-1937:
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             Summary: Diverts do not work with auto created queues
                 Key: ARTEMIS-1937
                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1937
             Project: ActiveMQ Artemis
          Issue Type: Bug
            Reporter: Lionel Cons


Consider the following configuration snippet:
{code}
  <address-settings>
    <address-setting match="/queue/test.#">
      <default-address-routing-type>ANYCAST</default-address-routing-type>
      <default-queue-routing-type>ANYCAST</default-queue-routing-type>
    </address-setting>
    <address-setting match="/topic/test.#">
      <default-address-routing-type>MULTICAST</default-address-routing-type>
      <default-queue-routing-type>MULTICAST</default-queue-routing-type>
    </address-setting>
    ...
  </address-settings>
  
  <diverts>
    <divert name="vq-foo-aaa">
      <address>/topic/test.foo</address>
      <forwarding-address>/queue/test.vq.aaa.foo</forwarding-address>
      <exclusive>false</exclusive>
    </divert>
    <divert name="vq-foo-bbb">
      <address>/topic/test.foo</address>
      <forwarding-address>/queue/test.vq.bbb.foo</forwarding-address>
      <exclusive>false</exclusive>
    </divert>
    ...
  </diverts>
{code}

The goal of the {{<address-settings>}} part is to make sure that STOMP destinations like {{/queue/test.\*}} act like a queue and the ones like {{/topic/test.\*}} act like a topic. It works fine and sending a message to a non existing destination works as expected.

The goal of the {{<diverts>}} part is to emulate ActiveMQ 5 virtual destinations. A message sent to {{/topic/test.foo}} will get duplicated and will end up both in {{/queue/test.vq.aaa.foo}} and in {{/queue/test.vq.bbb.foo}}.

The problem is that the configuration above does not work as a message being sent to {{/topic/test.foo}} is lost if the final queue does not exist. OTOH, a message directly sent to {{/queue/test.vq.aaa.foo}} will auto create the queue and will be kept.

Adding the following:
{code}
  <addresses>
    <address name="/queue/test.vq.aaa.foo">
      <anycast>
        <queue name="/queue/test.vq.aaa.foo"/>
      </anycast>
    </address>
    <address name="/queue/test.vq.bbb.foo">
      <anycast>
        <queue name="/queue/test.vq.bbb.foo"/>
      </anycast>
    </address>
    ...
  <addresses>
{code}
makes Artemis work as expected but this voids the use of the {{<address-settings>}} part.

IMHO, a message sent to a divert pointing to an address (whether it already exists or not) should have the exact same behavior as a message sent directly to the forwarding address.



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