I am quite new to JMS. I know that WildFly 11 has a activeMQ JMS built inside it and we can certainly add a new ActiveMQ to it. But is there a way to get a web console for the inbuilt ActiveMQ, or is there a way inwhich we can monitor the JMS Queues and Topics like in a standalone ActiveMQ instance.
Thanks in advance.
PS:
Long story short, need to get a GUI interface that can intercept and show JMS messages.
Wildfly has a web console of its own which may suit your needs. It shows basic queue metrics like consumer count, message count, messages added, and scheduled count.
If you want a console that goes beyond that you might be able to deploy the console shipped with ActiveMQ Artemis to Wildfly (e.g. by copying the war files). However, I've not done this before so I don't know how well it would work.
Another option would be to deploy ActiveMQ Artemis standalone and use that instead of the instance of ActiveMQ Artemis embedded into Wildfly. This would give you easy, simple access to the web console shipped with ActiveMQ Artemis.
Related
I am creating a Java application in eclipse to let different devices communicate together using a publish/subscribe protocol.
I am using Jboss and ActiveMQ and I want to know if I should use an ActiveMQ resource adapter to integrate the broker in jboss in a standalone mode or I should just add dependencies in my pom.xml file and use explicit java code like indicated here http://activemq.apache.org/how-do-i-embed-a-broker-inside-a-connection.html.
Here the documentation I found to integrate ActiveMQ within jboss in a standalone mode https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_A-MQ/6.1/html/Integrating_with_JBoss_Enterprise_Application_Platform/DeployRar-InstallRar.html
Could someone tell me what is the difference between the two approaches?
Here is the answer for my question:
The first approach starts a broker within your webapp itself. You can use a
normal consumer (not a message-driven bean - MDB), but only your webapp can
access it, via the VM transport (vm://).
The second approach lets the app server manage both the connection to the
broker and the creation of the broker, so it's probably also within the JVM
that runs your webapp and probably only accessible to your webapp, but
those details are hidden from you by the app server. You can only consume
messages via an MDB, but this provides a uniform interface that doesn't
need to change if you switch to another JMS provider in the future.
Since the standard way to integrate a JEE webapp with a JMS broker is via
the RA, I'd recommend using that approach simply for consistency and
standardization. That should also allow you to switch to a standalone
ActiveMQ broker (or another JMS product) in the future with minimal effort.
i'm trying to figure out how to startup a web console for my Apache CXF-Maven project.
It's quite messy cause it's not a standard project, i'm actually implementing the wsn\services from the cxf-master SVN or GITHUB developed by the Apache CXF Team.
I've read that there's also the hawtio console, but is even more complicated...
I need to some info, some help, to point me to the right direction.
I'm using wildfly 8.2.0 Final.
thanks
Ok, the question could be a bit more clear, but I will assume you have a maven based web application that embeds an ActiveMQ broker. You then want to enable the ActiveMQ web console for that broker. Correct?
First, the Web Console is a stand alone web application that you can deploy in whatever container you want, like Wildfly. You simply have to get the .war (by building activemq-web-console from source or grabbing the .war from maven repo). Then you need to make that .war point out your ActiveMQ broker using JMS and JMX by setting a few system properties.
Like this (adjust to your values):
-Dwebconsole.type=properties
-Dwebconsole.jms.url=tcp://localhost:61616
-Dwebconsole.jmx.url= service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi
That should pretty much be it. You don't even need the console in the same JVM or machine as your broker.
Is it possible to create a Communication between the standalone Java service and Tomcat8 through JMS?
I need that standalone service act as a Publisher and Tomcat as a Subscriber.
External devices send data over a socket connection on standalone service. Once the message is received and parsed, the service sends it to Tomcat.
I don't want to use DB for this communication.
Please send examples of the implementation. Preferred Spring JMS but not mandatory.
thanks in advance
It is doable with or without Spring JMS. Main point is that you would need to host JMS server somewhere anyway. Let say you are using ActiveMQ server.
You will need to add dependencies on ActiveMQ client libraries into both of your projects (Tomcat8 and standalone Jar). You can use Spring JMS in both projects.
Than you create queue in your Active MQ server.
Your sender application will use ActiveMQ client libraries to send the messages to created queue.
Your Tomcat8 application will register listener on created queue using ActiveMQ client libraries.
EDIT
Here are links I suggest to follow:
Installation section of ActiveMQ. Don't know your prefered system, so pick by yourself. It is very easy to install it.
Official Spring guide for creating JMS project. Use sending part for your standalone project and listener part for your Tomcat8 application.
I'm debugging an issue I've had with messages posted to a JMS Queue within JBoss 4.2.3. I know I can see the number of messages currently on the queue via the JMX-Console, but want to know if there's a way to get anymore information about the specific messages on the queue currently?
Is any of this available via JMX or can I enable any extra logging?
Or do I have to deploy something using a QueueBrowser?
Thanks,
You could use hermes jms, which is a JMS management console with a GUI. I haven't tried it with jboss (only with glassfish), but it was working pretty well and I was able to access the individual messages in the queue. Looks like they have a tutorial for jboss here: http://www.hermesjms.com/confluence/display/HJMS/JBoss+Tutorial
I just need notification system. javax.jms.* - good solution I think, but I can't understand what do I need to use JMS?
I don't want to use any app. servers like GlassFish or Tomcat, I just would like to use standard jdk and myserver(very light) and myclient(very light too) and some MessageSystem to exchanging bitween myserver and myclient. As I understand to use JMS I need JMS Provider. For example: ActiveMQ. But I don't uderstand ActiveMQ needs any server?(GlassFish probably), and what kind of *.jar do I need from Java EE ?
JMS provider or more correctly a Message Broker can be a stand-alone application. Most of J2EE app servers include a broker inside them but yes we also have many very good stand alone JMS brokers, ActiveMQ is good, then there is OpenJMS and many others. And as they are stand alone they don't need another app server to run them. And they usually come with every needed jar as well :) SO you'll not need to copy any jar from other app-server to say ActiveMQ or OpenJMS.
ActiveMQ runs as a standalone server; it requires the Java VM like any Java application but nothing else beyond that.
Other stand alone JMS brokers (open source) which can be run standalone or even embedded in your Java application are Open Message Queue (OpenMQ) which is also included in GlassFish, and the new JBoss HornetQ message broker which will be the JMS implementation in JBoss application server.