jms

Can anybody tell me good book or tutorial for Java Message Service(JMS)?

Hello everyone, I am new in JMS. Can anybody knows good books or tutorial to learn JMS? ...

Is RabbitMQ more scalable than JMS outbound queue?

I want to know whether RabbitMQ is more scalable than other brokers or not? If yes what are the specific reasons? If not how can we scale it up? I am using rabbitmq for the first time with Spring framework. ...

How to tell if Oracle Streams is installed?

Hi, I am just setting up a test project using Oracle Streams. My first problem is, is there something I need to install first? How can I tell if Oracle Streams is installed ? ...

Show me an simple example of Oracle Streams?

I am just getting started with on a project and hope to use Oracle streams. I am looking for a straight-forward, hello-world type of example using Oracle Streams. Can you point me to a tutorial or show me an example? Thanks ...

Best solution architecture for user notifications in Java/Grails environment?

Hello, I am building a community website using Grails and I want to implement user notifications exactly like stackoverflow.com. For instance, user will get notified for new events ('You have new comments', 'one of your favorite has changed'...) either by email or in his mailbox anytime he returns to the website. I suppose that this is...

Spring JmsTemplate and Apache ActiveMQ, why so many connections?

Hello, I have a web application that runs text processing jobs in the background once a message is received on an ActiveMQ which is listened to by a Spring MessageListener....the problem I"m encountering is that once I process around 30 background jobs, ActiveMQ stops processing any messages, Spring message listener loses its JMS connec...

How do I configure glassfish 3.1 to use Websphere MQ7 for JMS?

Maybe I dont know the right search terms to query with, but I cannot find instructions on how to configure glassfish 3.1 to allow me to use an external websphere mq7 server for my jms/mdb project. Can someone help me get this configured? I'll repay the community by writing a good howto document if there isn't one out there already. ...

jmsexception FAILED TO INVOKE

I have developed a prototype of a message based scalable client-server architecture. Environment Setup Ubuntu 10.04 1 LTS java 1.6.0_22 JBoss AS 5.1.0 GA JBoss Messaging 1.4.3 GA Two queues (Q1 and Q2) 1 MDBs and 1 Message consumer for each queue, MDB pool size is set to 20. XMLRPC Client and server Eclipse Helios XMLRPC forms a int...

Multithreaded JMS receiving in Spring

I'm trying to write a multithreaded implementation for JMS message processing from a queue. I've tried with DefaultMessageListenerContainer and SimpleMessageListenerContainer classes. The problem I have is that it seems like just a single instance of the MessageListener class gets ever instantiated, no matter how I configure it. This f...

JMS between Enterprise applications

Hi We have a project where we want to link 2 enterprise systems together using JMS. In a nutshell, system 1 sends a message to the queue. Systems2 picks up that message, does a whole load of processing in the background for about 30mintues and then sends a message back to the queue for System1 to pick up. Can we get away with 1 queue o...

Delphi ODAC: Disecting JMS messages from Oracle AQ

I'm trying to evaluate ODAC for using Oracle AQ. The request queue contains JMS objects like these (but without linebreaks and other whitespace): SYS.AQ$_JMS_BYTES_MESSAGE( SYS.AQ$_JMS_HEADER( 'null','null','null','null','null','null', SYS.AQ$_JMS_USERPROPARRAY( SYS.AQ$_JMS_USERPROPERTY('Key1',100,'Value1','null',27), ...

OpemMQ Configuration, Fatory creation and session handling in Tomcat+Atomikos

Hi, I'm currently using OpenMQ in my app and I need to support distributed transactions. I'm trying to understand what I need to change in the configuration (and where) and how will switching to a JTA change the way I'm currently obtaining my ConnectionFactory and handling my javax.jms.Connection. A quick code example of my usage is (...