I am working on developing an interface between TomEE application server and rabbitmq.
Is there any example that can show me what is to be configured in the tomEE server ?
How can I initiate tomEE to create a exchange and queue and than send out messages ?
not sure I fully got the question bu you can embed java client in your application and use Java API: http://www.rabbitmq.com/tutorials/tutorial-one-java.html
If you want to use JMS you can rely on https://github.com/imatix/openamq-jms but since there is no rabbitmq resource adapter it is still "manual".
Related
This is a follow-up question of How to implement HTTP request/reply when the response comes from a rabbitMQ reply queue using Spring Integration DSL?.
We were able to build the Spring Integration application and the SCDF stream successfully locally. We could send a http request to the rabbitMQ request queue which was bound to the SCDF stream rabbit source. We could also receive the response back from the rabbitMQ response queue which was bound to the SCDF stream rabbit sink.
We have deployed the SCDF stream into PCF environment which had a binding of an internal rabbitMQ broker. Now we need to specify the spring rabbitMQ connection information in the Spring Integration application properties - currently it's using the default localhost#5762, which is no longer valid. Does anyone know how to get this rabbitMQ configuration properties? We already checked the SCDF stream rabbit source/sink log files but couldn't find the information. I know we probably need to check internally whoever set up the SCDF/rabbitMQ in PCF environment, but so far we haven't heard the answers from them.
Also, it appears we can have a different approach that binds both the SCDF stream and the integration application to a separate rabbitMQ instance (instead of using the existing one bundled with the SCDF configuration). Is it a recommended solution?
Thanks,
It is unclear whether you're using the SCDF tile or the SCDF OSS (via manfest.yml) on PCF.
Suppose you're using the OSS, AFA. In that case, you are providing the right RMQ service-instance configuration (that you pre-created) in the manifest.yml, then SCDF would automatically propagate that RMQ service instance and bind it to the apps it is deploying to your ORG/Space. You don't need to muck around with connection credentials manually.
On the other hand, if you are using the SCDF Tile, the SCDF service broker will auto-create the RMQ SI and automatically bind it to the apps it deploys.
In summary, there's no reason to manually pass the connection credentials or pack them as application properties inside your apps. You can automate all this provided you're configuring all this correctly.
I am totally new to spring framework. I am trying to create a project where I can have the connectivity to the rabbitMq and I even before I publish the message, I want to check if the queues are alive or not. Is this possible to ping the queue to see if it is alive or not?
RabbitMQ have the management API. You can use it to check the status of queue,exchange,binding.
If you are working on PHP. Then here is the libarary which can be used.
I'm can't find instruction for integration websphere mq 6 + weblogic 12 c by websphere native protocol (no jms!). It possible? Goal - deploy mdb in weblogic for getting message from websphere mq queue.
and response.
Please help with link or instruction.
Alex
I understand that the option of using WebLogic's Foreign JMS provider configuration is not available to you as you want to NOT use the JMS API, but MQ's specific API, correct?
If that is the case you could always try to write some MQ Client code using the MQ API, as you would for a stand-alone application, and then deploy it inside WebLogic, although I'm not sure whether that would give you any real benefit.
One thing I am pretty sure you will NOT be able to do is write a Message-Driven Bean which connects to an MQ Series queue using the MQ API. MDBs are a Java EE concept and they are meant to connect to JMS providers.
I have deployed a multi node application to cloud foundry, all connected via a shared rabbitmq service. The application consists of:
A grails app.
3 standalone spring-integration-amqp java apps.
All are communicating to rabbit via spring-integration-amqp, using cloud:rabbit-connection-factory.
All of the applications have the same rabbitmq service bound.
All of the applications start correctly and seem to connect to rabbit ok.
The behaviour I am seeing is that the grails app is timing out whilst waiting for a response from one of the standalone apps. This is consistent with me only starting up the grails app locally and not the message consumers.
What I am struggling with is how to debug where the problem is.
I can't see any errors in the logs
It doesn't seem possible to tunnel to the rabbitmq service in order to query the state of the queues etc.
Any ideas?
Are you pushing to cloudfoundry.com or micro cloudfoundry?
To answer your questions:
Have you tried using "vmc file"? For java web applications cloudfoundry uses tomcat as the app server and you can use that command to navigate to tomcat/logs to have a look. Maybe some stdout was redirected there.
Did you have Caldecott installed? If you did not read this doc, here it is: http://docs.cloudfoundry.com/tools/vmc/caldecott.html
I am confused about the function of Apache ActiveMQ.
I downloaded ActiveMQ from this link.
So I use it this way (environment: Windows 7): I start the bin/activemq.bat, then it works.
My question is: Does this mean I start a server on my machine? When I initialize the ActiveMQConnectionFactory, the broker URL is tcp://localhost:61616. But what if I want my machine to serve as a server and another machine to connect to my server?
Yes, you can use the primary box as a server and have consumers/subscribers running on other boxes (which will need to connect to the server - you will need to specify the server hostname & port for the connection to be established) - once in place, the messages on the server (topic or queue) can be consumed by the clients.
If you one have one producer and one consumer, you can look into using queues - if you have more than one consumer/subscriber, you can look into setting up a topic to which the consumers will subscribe to. Messages need to be inserted to the topic/queue as needed.
You can specify the server information in your code or preferably in the config file.
For reference to topologies:
http://activemq.apache.org/topologies.html
Also, you can choose to persist your messages or not based on your use case. Kaha DB is the preferred route (specially if performance is of concern).
Useful examples:
http://sujitpal.blogspot.com/2007/12/jms-patterns-with-activemq.html
http://vvratha.blogspot.com/2012/05/java-client-to-sendreceive-messages-for.html
Hope it helps.
Apache ActiveMQ ™ is the most popular and powerful open source messaging and Integration Patterns server
& it act like a third party server.
Apache ActiveMQ is fast, supports many Cross Language Clients and Protocols, comes with easy to use Enterprise Integration Patterns and many advanced features while fully supporting JMS 1.1 and J2EE 1.4. Apache ActiveMQ is released under the Apache 2.0 License.
ActiveMQ have the capabilities to send 100 MB single message framework and maintain 1000 concurrent connection simultaneously , for the further information you can check activemq.xml in your documentation.
Further Info at here about the ActiveMQ