> Surely there is a limit how many the queue can hold. What happens then?
There's no arbitrary limit to the amount of data a queue can hold. However, you can configure limits and different behaviors for different addresses when those limits are reached. See the documentation [1] for more details on that. Justin [1] http://activemq.apache.org/components/artemis/documentation/latest/paging.html On Wed, Aug 12, 2020 at 12:21 PM Christopher Pisz <christopherp...@gmail.com> wrote: > Ok, I put back the "all protocols" acceptor and can get some output. > > $ sudo ./artemis browser --destination queue://chat --verbose > Executing org.apache.activemq.artemis.cli.commands.messages.Browse browser > --destination queue://chat --verbose > Home::/opt/apache-artemis-2.14.0, Instance::/var/lib/testbroker > Connection brokerURL = tcp://localhost:61616 > Consumer:: filter = null > Consumer ActiveMQQueue[chat], thread=0 trying to browse 1000 messages > Consumer ActiveMQQueue[chat], thread=0 browsing null > ...ActiveMQMessage[null]:NON-PERSISTENT/ClientMessageImpl[messageID=2278, > durable=false, > > address=chat,userID=null,properties=TypedProperties[destination=chat,content-length=4,JMSCorrelationID=NULL-value,_AMQ_CONTENT_TYPE=text/plain,JMSType=NULL-value]] > Consumer ActiveMQQueue[chat], thread=0 browsed: 1 messages > Consumer ActiveMQQueue[chat], thread=0 Browser thread finished > > This is after I started my client, sent a message, while noone was > subscribed. > I assume the behavior is to leave it sit there forever, until someone comes > and picks it up. > > Surely there is a limit how many the queue can hold. What happens then? > > I will test the no acknowledgement scenario now. > > > > On Wed, Aug 12, 2020 at 1:00 PM Christopher Pisz < > christopherp...@gmail.com> > wrote: > > > Exception in thread "main" javax.jms.JMSException: Failed to create > > session factory > > > > I had deleted all acceptors except the stomp acceptor from the > > configuration, yesterday. If it needs those acceptors to be defined, i > > don't remember what the default broker.xml looked like. I probably should > > have backed it up. > > > > On Wed, Aug 12, 2020 at 12:53 PM Justin Bertram <jbert...@apache.org> > > wrote: > > > >> > ws://<mymachinename>.<mydomainname>:61613 > >> > >> That's an invalid URL for the Artemis CLI (as noted by the exception). > You > >> need to use a URL like the one you used before for the "producer" > command, > >> e.g.: > >> > >> tcp://<yourmachinename>.<yourdomainname>:61616 > >> > >> > >> Justin > >> > >> On Wed, Aug 12, 2020 at 11:48 AM Christopher Pisz < > >> christopherp...@gmail.com> > >> wrote: > >> > >> > ws://<mymachinename>.<mydomainname>:61613 > >> > > >> > On Wed, Aug 12, 2020 at 12:22 PM Justin Bertram <jbert...@apache.org> > >> > wrote: > >> > > >> > > And the URL you're using? > >> > > > >> > > > >> > > Justin > >> > > > >> > > On Wed, Aug 12, 2020 at 11:18 AM Christopher Pisz < > >> > > christopherp...@gmail.com> > >> > > wrote: > >> > > > >> > > > sudo ./artemis browser --destination queue://chat --verbose > >> > > > > >> > > > On Wed, Aug 12, 2020 at 12:12 PM Justin Bertram < > >> jbert...@apache.org> > >> > > > wrote: > >> > > > > >> > > > > What's the exact command you're using? > >> > > > > > >> > > > > > >> > > > > Justin > >> > > > > > >> > > > > On Wed, Aug 12, 2020 at 11:05 AM Christopher Pisz < > >> > > > > christopherp...@gmail.com> > >> > > > > wrote: > >> > > > > > >> > > > > > When I try that, I type in the same url I use to connect > >> including > >> > > the > >> > > > > > :<port>, the username and password i created the instance > with, > >> and > >> > > it > >> > > > > > tells me java.lang.RuntimeException: > >> > java.lang.NullPointerException: > >> > > > > Schema > >> > > > > > hansel04.alertinnovation.com not found > >> > > > > > > >> > > > > > On Tue, Aug 11, 2020 at 2:29 PM Justin Bertram < > >> > jbert...@apache.org> > >> > > > > > wrote: > >> > > > > > > >> > > > > > > You can use the "browser" command which is part of the > >> ActiveMQ > >> > > > Artemis > >> > > > > > > CLI, e.g.: > >> > > > > > > > >> > > > > > > > cd <ACTIVEMQ_ARTEMIS_INSTANCE>/bin > >> > > > > > > > ./artemis browser --destination queue://myQueue > --verbose > >> > > > > > > > >> > > > > > > > >> > > > > > > Justin > >> > > > > > > > >> > > > > > > On Tue, Aug 11, 2020 at 1:20 PM Christopher Pisz < > >> > > > > > > christopherp...@gmail.com> > >> > > > > > > wrote: > >> > > > > > > > >> > > > > > > > Unfortunately when I try to forward x over ssh and bring > up > >> > > > Firefox, > >> > > > > it > >> > > > > > > is > >> > > > > > > > nearly completely unresponsive. Is there another way that > >> > doesn't > >> > > > > > > require a > >> > > > > > > > browser? > >> > > > > > > > > >> > > > > > > > On Tue, Aug 11, 2020, 12:49 Justin Bertram < > >> > jbert...@apache.org> > >> > > > > > wrote: > >> > > > > > > > > >> > > > > > > > > > How can I get a message to be "journaled?" > >> > > > > > > > > > >> > > > > > > > > A message which is stored in the journal is a > >> "persistent" or > >> > > > > > "durable" > >> > > > > > > > > message. Every API and protocol handles this in a > >> different > >> > but > >> > > > > > similar > >> > > > > > > > > way. If you're using STOMP and you want your message to > be > >> > > stored > >> > > > > in > >> > > > > > > the > >> > > > > > > > > journal then set the "persistent" header to "true". > >> > > > > > > > > > >> > > > > > > > > > How can I get a message into the DLQ? > >> > > > > > > > > > >> > > > > > > > > First you have to configure the proper settings to send > >> > > messages > >> > > > > to a > >> > > > > > > DLA > >> > > > > > > > > when they fail delivery a certain number of times. Refer > >> to > >> > the > >> > > > > docs > >> > > > > > > [1] > >> > > > > > > > on > >> > > > > > > > > how to do that. Then the message has to fail delivery > the > >> > > > > configured > >> > > > > > > > number > >> > > > > > > > > of times. A failed delivery could occur if, for > example, a > >> > > client > >> > > > > > > > receives > >> > > > > > > > > a message, fails to acknowledge the message, and then > the > >> > > client > >> > > > > > closes > >> > > > > > > > its > >> > > > > > > > > connection. > >> > > > > > > > > > >> > > > > > > > > > How can I, as an admin, view those messages? > >> > > > > > > > > > >> > > > > > > > > Use the web console. > >> > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > Justin > >> > > > > > > > > > >> > > > > > > > > [1] > >> > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > http://activemq.apache.org/components/artemis/documentation/latest/undelivered-messages.html > >> > > > > > > > > > >> > > > > > > > > On Tue, Aug 11, 2020 at 12:04 PM Christopher Pisz < > >> > > > > > > > > christopherp...@gmail.com> > >> > > > > > > > > wrote: > >> > > > > > > > > > >> > > > > > > > > > I got my activemq instance up and have a stomp > acceptor > >> > > > working. > >> > > > > My > >> > > > > > > > > client > >> > > > > > > > > > connects and I can subscribe and send messages. > >> > > > > > > > > > > >> > > > > > > > > > I have been reading the docs for days. I still don't > >> > > understand > >> > > > > the > >> > > > > > > > > > journals, dead letter queue etc. > >> > > > > > > > > > > >> > > > > > > > > > Can someone walk me through > >> > > > > > > > > > How can I get a message to be "journaled?" > >> > > > > > > > > > How can I get a message into the DLQ? > >> > > > > > > > > > How can I, as an admin, view those messages? > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > >
