MQTT is fundamentally a pub/sub protocol so it doesn't really match with
JMS queue semantics which are point-to-point. STOMP might be a better
choice for you from Angular.

Is there a specific reason you are mixing JMS queue and MQTT?


Justin

On Sat, May 4, 2024 at 12:11 AM Pushparaj Chinnathambi <
pushpara...@raster.in> wrote:

> Dear Justin,
>      I appreciate your attention to this issue. Now, I will explain my
> overall scenario. I'm using JMS to produce notifications for my end-users
> to remind them of certain actions. This JMS (in spring boot) sends messages
> to the ALERTS queue. I need to write a consumer to listen to this queue and
> retrieve messages from the ALERTS queue. Therefore, I have decided to use
> MQTT in Angular for this task. Could you please guide me on how to achieve
> this?
>
> Looking forward to your prompt action
>
> On Fri, 3 May 2024 at 23:17, Justin Bertram <jbert...@apache.org> wrote:
>
> > I believe this is a bug in the MQTT implementation. As noted in the
> > documentation [1]:
> >
> > > Automatic queue creation is for queues that would not otherwise be
> > created during normal operation.
> >
> > However, the MQTT implementation is deciding on whether to create the
> > subscription queue based on the <auto-create-queues> setting. I'll open a
> > Jira and get this fixed.
> >
> > In the meantime you can work-around this by setting <auto-create-queues>
> to
> > true for the relevant address(es).
> >
> >
> > Justin
> >
> > [1]
> >
> >
> https://activemq.apache.org/components/artemis/documentation/latest/address-model.html#automatic-configuration
> >
> > On Tue, Apr 30, 2024 at 8:41 AM Pushparaj Chinnathambi <
> > pushpara...@raster.in> wrote:
> >
> > > Hi,
> > >           I’m trying to connect an ActiveMQ Artemis topic queue with
> the
> > > following configurations. Based on my settings, I don’t want to create
> > > dynamic queues when clients establish new connections. However, after
> > > applying this configuration, I’m unable to connect to my topic queue.
> > Could
> > > you please explain why this is happening and guide me to connect the
> > topic
> > > queue without creating the new queue?
> > >
> > > *broker.xml* configuration
> > >
> > > ```
> > > <address-settings>
> > >          <!-- if you define auto-create on certain queues, management
> has
> > > to be auto-create -->
> > >          <address-setting match="activemq.management#">
> > >             <dead-letter-address>DLQ</dead-letter-address>
> > >             <expiry-address>ExpiryQueue</expiry-address>
> > >             <redelivery-delay>0</redelivery-delay>
> > >             <!-- with -1 only the global-max-size is in use for
> limiting
> > > -->
> > >             <max-size-bytes>-1</max-size-bytes>
> > >
> > >
> <message-counter-history-day-limit>10</message-counter-history-day-limit>
> > >             <address-full-policy>PAGE</address-full-policy>
> > >             <auto-create-queues>false</auto-create-queues>
> > >             <auto-create-addresses>false</auto-create-addresses>
> > >          </address-setting>
> > >          <!--default for catch all-->
> > >          <address-setting match="#">
> > >             <dead-letter-address>DLQ</dead-letter-address>
> > >             <expiry-address>ExpiryQueue</expiry-address>
> > >             <redelivery-delay>0</redelivery-delay>
> > >
> > >
> > >
> <message-counter-history-day-limit>10</message-counter-history-day-limit>
> > >             <address-full-policy>PAGE</address-full-policy>
> > >             <auto-create-queues>false</auto-create-queues>
> > >             <auto-create-addresses>false</auto-create-addresses>
> > >             <auto-delete-queues>false</auto-delete-queues>
> > >             <auto-delete-addresses>false</auto-delete-addresses>
> > >
> > >             <!-- The size of each page file -->
> > >             <page-size-bytes>10M</page-size-bytes>
> > >
> > >             <!-- When we start applying the address-full-policy, e.g
> > paging
> > > -->
> > >             <!-- Both are disabled by default, which means we will use
> > the
> > > global-max-size/global-max-messages  -->
> > >             <max-size-bytes>-1</max-size-bytes>
> > >             <max-size-messages>-1</max-size-messages>
> > >
> > >             <!-- When we read from paging into queues (memory) -->
> > >
> > >             <max-read-page-messages>-1</max-read-page-messages>
> > >             <max-read-page-bytes>20M</max-read-page-bytes>
> > >
> > >             <!-- Limit on paging capacity before starting to throw
> errors
> > > -->
> > >
> > >             <page-limit-bytes>-1</page-limit-bytes>
> > >             <page-limit-messages>-1</page-limit-messages>
> > >           </address-setting>
> > >       </address-settings>
> > > ```
> > >
> > > by using this configuration I'm facing queue not found error in
> > > *artemis.log* file
> > >
> > > ```
> > > 2024-04-29 19:15:34,563 ERROR
> > > [org.apache.activemq.artemis.core.protocol.mqtt] AMQ834002: Error
> > > processing control packet:
> > > MqttSubscribeMessage[fixedHeader=MqttFixedHeader[messageType=SUBSCRIBE,
> > > isDup=false, qosLevel=AT_LEAST_ONCE, isRetain=false,
> remainingLength=35],
> > > variableHeader=MqttMessageIdAndPropertiesVariableHeader[messageId=1,
> > > properties=io.netty.handler.codec.mqtt.MqttProperties@511f28bc],
> > >
> > >
> >
> payload=MqttSubscribePayload[MqttTopicSubscription[topicFilter=ONEEMR/PUSH_NOTIFICATION_TOPIC,
> > > option=SubscriptionOption[qos=AT_LEAST_ONCE, noLocal=false,
> > > retainAsPublished=false, retainHandling=SEND_AT_SUBSCRIBE]]]]
> > > org.apache.activemq.artemis.api.core.ActiveMQNonExistentQueueException:
> > > AMQ229017: Queue ONEEMR.PUSH_NOTIFICATION_TOPIC does not exist
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.core.protocol.mqtt.MQTTSubscriptionManager.createQueueForSubscription(MQTTSubscriptionManager.java:163)
> > > ~[artemis-mqtt-protocol-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.core.protocol.mqtt.MQTTSubscriptionManager.addSubscription(MQTTSubscriptionManager.java:108)
> > > ~[artemis-mqtt-protocol-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.core.protocol.mqtt.MQTTSubscriptionManager.addSubscriptions(MQTTSubscriptionManager.java:303)
> > > ~[artemis-mqtt-protocol-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.core.protocol.mqtt.MQTTProtocolHandler.handleSubscribe(MQTTProtocolHandler.java:382)
> > > ~[artemis-mqtt-protocol-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.core.protocol.mqtt.MQTTProtocolHandler.act(MQTTProtocolHandler.java:177)
> > > ~[artemis-mqtt-protocol-2.33.0.jar:2.33.0]
> > >         at
> > > org.apache.activemq.artemis.utils.actors.Actor.doTask(Actor.java:32)
> > > ~[artemis-commons-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68)
> > > ~[artemis-commons-2.33.0.jar:2.33.0]
> > >         at
> > >
> > >
> >
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
> > > [?:?]
> > >         at
> > >
> > >
> >
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
> > > [?:?]
> > >         at
> > >
> > >
> >
> org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118)
> > > [artemis-commons-2.33.0.jar:2.33.0]
> > > ```
> > > *Thanks in advance😊😊*
> > >
> > > On Tue, 30 Apr 2024 at 10:58, Justin Bertram <jbert...@apache.org>
> > wrote:
> > >
> > > > From what I can tell you aren't actually subscribed to the ActiveMQ
> > users
> > > > list so you will not receive any replies sent to the list and not
> > > directly
> > > > to you (which is how replies are normally sent). Please subscribe [1]
> > to
> > > > the list in order to use it properly. Thanks!
> > > >
> > > > Also, please be aware that screenshots attached to emails are not
> > passed
> > > > to subscribers. If a screenshot is critical to explaining your issue
> > > please
> > > > upload it somewhere and provide a link to it. Otherwise simply
> describe
> > > in
> > > > more detail what your problem actually is without referencing
> > > screenshots.
> > > >
> > > >
> > > > Justin
> > > >
> > > > [1] https://activemq.apache.org/contact
> > > >
> > > > On Tue, Apr 30, 2024 at 12:14 AM Pushparaj Chinnathambi <
> > > > pushpara...@raster.in> wrote:
> > > >
> > > >> Hi,
> > > >>           I’m trying to connect an ActiveMQ Artemis topic queue with
> > the
> > > >> following configurations. Based on my settings, I don’t want to
> create
> > > >> dynamic queues when clients establish new connections. However,
> after
> > > >> applying this configuration, I’m unable to connect to my topic
> queue.
> > > Could
> > > >> you please explain why this is happening and guide me on resolving
> > this
> > > >> issue?
> > > >>
> > > >>
> > > >> [image: broker-file-configuration.png]
> > > >> [image: log-file.png][image: queue-settings.png]
> > > >> --
> > > >> *------------------------*
> > > >> *Thanks & Regards,*
> > > >> *Pushparaj Chinnathambi*
> > > >> Team Lead
> > > >> *Raster Images Pvt. Ltd.*
> > > >> Salem 636 004, TN, India
> > > >> E: pushpara...@raster.in
> > > >>
> > > >>
> > > >>
> > >
> > > --
> > > *------------------------*
> > > *Thanks & Regards,*
> > > *Pushparaj Chinnathambi*
> > > Team Lead
> > > *Raster Images Pvt. Ltd.*
> > > Salem 636 004, TN, India
> > > E: pushpara...@raster.in
> > >
> >
>
>
> --
> *------------------------*
> *Thanks & Regards,*
> *Pushparaj Chinnathambi*
> Team Lead
> *Raster Images Pvt. Ltd.*
> Salem 636 004, TN, India
> E: pushpara...@raster.in
>

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