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Questions tagged [activemq]

Apache ActiveMQ is an enterprise-level open source message broker and JMS client

Apache ActiveMQ is an open source message broker written in Java together with a full Java Message Service (JMS) client. It provides "Enterprise Features" which in this case means fostering the communication from more than one client or server. Supported clients include Java via JMS 1.1 as well as several other "cross language" clients. The communication is managed with features such as computer clustering and ability to use any database as a JMS persistence provider besides virtual memory, cache, and journal persistence.

Source:

https://en.wikipedia.org/wiki/Apache_ActiveMQ

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Confusion between ActiveMQ and ActiveMQ-Artemis?

Can someone clarify the difference between ActiveMQ and ActiveMQ-Artemis? From what I understood on Wikipedia, ActiveMQ-Artemis is essentially the successor to ActiveMQ, but if that is the case, I do not understand why Artemis is listed as a…
Eric B.
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Message Queuing vs. Load Balancing. I don't truly understand the difference

Help me to understand something. I've looked at several enterprise application architectures, and I've noticed that several of them use a Message Queue service, like ActiveMQ or RabbitMQ. I have surface-level knowledge of what message queuing…
Jason Clark
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How to run Puppet on multiple nodes at once using MCollective?

Aim At the moment there are more than 100 systems in the office and the expectation is that the number will increase. All systems are managed by Puppet. If Puppet code changes on the Puppet Master and needs to be implemented on multiple systems,…
030
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ActiveMQ - "Cannot send, channel has already failed" every 2 seconds?

ActiveMQ 5.7.0 CentOS release 6.3 java version "1.6.0_26" Application server: Tomcat In the activemq.log, I'm seeing this exception every 2 seconds: 2013-11-05 13:00:52,374 | DEBUG | Transport Connection to: tcp://127.0.0.1:37501…
quanta
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ActiveMQ with persistence in a database

Are any of you running ActiveMQ with persistence in a database? Even better, in an Oracle database? We're wanting to replace our current JMQ uses with ActiveMQ. The plan is to have two machines (one hot, one failover) that share an ActiveMQ queue,…
Bill Weiss
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How to go about troubleshoot remote ActiveMQ message broker with low dequeue count

I have a network of brokers configured as such: Broker A <=> Broker B Broker B <=> Broker C Broker A <=> Broker C I've noticed that in the "Network" tab under "Network Bridges" it lists a table with this information: Remote Broker Remote…
Paul Calabro
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MCollective server cannot connect to ActiveMQ broker

I've been trying all do to set up MCollective on my puppet cluster. No matter what I do, I can't seem to get the MCollective server to connect. The MCollective server(s) are running mostly on Ubnutu Xenial. The ActiveMQ broker (5.14.3) is running…
Isabell Cowan
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Reverse Proxy nginx not serving subdirectories

This is very strange and I can't get my head around it. I have set up a nginx server to reverse proxy a docker container. Nginx seems to be able to server some pages, but not sub-directories, or perhaps it can't serve dynamic content. I am not…
Ulukai
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Creating a CA signing chain when there wasn't one before

Here is the problem... 3 years ago we created a multi-datacenter setup, with as little cross-DC resource dependencies as we could make. Different AD sites. Different puppetmasters. Different syslog servers. Different egress firewalls. Different DNS…
Blue Warrior NFB
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Accessing ActiveMQ's JMX via SSL

I'm trying to get SSL-enabled JMX access to ActiveMQ (5.8.0 or 5.9.0 running under java 1.6.0) but I'm not having any luck. I've dealt with SSL-enabled JMX access in the past, so I'm quite familiar with setting up keystores, truststores, etc. Our…
Bruce P
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ActiveMQ returns 503 when accessing admin panel

I am using fusemq, the C wrapper for ActiveMQ-CPP. The problem is I am using the broker with an Apache server module. It is supposed to send a message to the broker so another program can consume it. I have a script that tests all of this and I have…
thaweatherman
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proxy pass for activeMQ

I have a apache server that I'm trying to use for proxy access my activeMQ admin page. I am able to load the inital landing page properly, but I can't seem to load any of the sub-pages (Queues, Connections, etc.). My proxypass rules on the apache…
580farm
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Apache ActiveMQ Server-to-Server connection

Our company now uses Websphere MQ to facilitate communication with our business partners, but we're evaluating migration to ActiveMQ. I've read some documentation and articles and haven't found particular option we need - server-to-server…
Czar
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Installation of SSL certificates onto stand-alone ActiveMQ failing

I am trying to get SSL working on ActiveMQ but keep running into the error: SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long) I am running the ActiveMQ server on its own (which I…
ipe
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deleting nohup.out file

I have a file called "nohup.out". It is consuming a lot of space and I will like to remove it. /opt/apache-activemq-5.2.0/bin/nohup.out: 4.2G Will it affect the application in any way? I do not want logs, only disk space.
shantanuo
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