STOMP: Way to check if a consumer is running before sending a message?

StackOverflow https://stackoverflow.com/questions/4894871

  •  28-10-2019
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Question

I'm wondering if there is a way to check if a consumer is running before sending a message? I'm using the latest php STOMP and am struggling to see if there's a way to detect if it's running before sending and having messages just build up in queue.

Thanks, Steve

Was it helpful?

Solution

Have a look at the BrokerStatisticsPlugin that's available in AMQ, it allows your client to send a message and have the broker send you all sorts of nice information about its current state.

See: http://activemq.apache.org/statisticsplugin.html

Regards

Tim www.fusesource.com

OTHER TIPS

If you have the ActiveMQ Web Console running, you can make a CURL call to the xml/queues.jsp page, which will return you XML with <queue> nodes looking looking like 

<queue name="integration">
  <stats size="0" consumerCount="1" enqueueCount="92491" dequeueCount="92491"/>
  <feed>
    <atom>queueBrowse/integration?view=rss&amp;feedType=atom_1.0</atom>
    <rss>queueBrowse/integration?view=rss&amp;feedType=rss_2.0</rss>
  </feed>
</queue>

You're looking for the consumerCount attribute of the <stats> node.

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