On Fri, May 3, 2024 at 2:14 PM Balamurugan Ranganathan < rbalamurugant...@gmail.com> wrote:
> Dear All, > > I have configured Artemis and created an address & topic using the console. > > Address --> *UI* > Queue --> *ALERTS* (ANYCAST,MULTICAST). > > In backend (using java 21) I am able to access the queue name as > *UI::ALERTS.* > > But using ANGULAR (ngx-mqtt ) It shows an error message as *Queue does not > exist * > > Anyone please guide how to subscribe *ALERTS* queue using angular > > > Note: I already tried *UI::ALERTS, UI.ALERTS , UI/ALERTS , UI/+/ALERTS* > > > My experience with MQTT in Artemis is rather limited, so please correct me if I am wrong. But I think MQTT does not work the way you are trying to use it. IME, the MQTT topics are mapped to native Artemis addresses. And any MQTT client that connects and wants to consume messages from the topic, will have a queue created under the native Artemis address. The queue will be named with a name derived from the address and the MQTT client ID. So, my suggestion is to set up an address like "UI.ALERTS" using the native syntax. Then your MQTT client would be connecting to a "UI/ALERTS" topic. This also means that your address should be MULTICAST, otherwise only one of the clients / queues will get the message. -- -- VH -- This electronic communication and the information and any files transmitted with it, or attached to it, are confidential and are intended solely for the use of the individual or entity to whom it is addressed and may contain information that is confidential, legally privileged, protected by privacy laws, or otherwise restricted from disclosure to anyone else. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any use, copying, distributing, dissemination, forwarding, printing, or copying of this e-mail is strictly prohibited. If you received this e-mail in error, please return the e-mail to the sender, delete it from your computer, and destroy any printed copy of it.
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