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16 FAQ JMS interview Q&As

Q1. What types of messaging paradigms are provided by JMS? A1. Point-to-Point: provides a traditional queue based mechanism where the client application sends a message through a queue to typically…

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Configuring JMS with Java Config for sending & receiving messages

Step 1: The bare-bone Spring Java configuration

//....
@Configuration
@ComponentScan("com.myapp")
public class MOMConfig
{
   //....
}

//....

@Configuration

@ComponentScan("com.myapp")

public class MOMConfig

{

//....

}

Step 2: How to connect? Configuring the “ConnectionFactory”.

//....
@Configuration
@ComponentScan("com.myapp")
public class MOMConfig
{

   @Autowired
   private Environment environment;
   
    @Bean
    public ConnectionFactory connectionFactory() throws JMSException {
       MQTopicConnectionFactory cf = new MQTopicConnectionFactory();
        
       cf.setTransportType(environment.getProperty("env.mq.transport.type",

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JMS versus AMQP, Enterprise Integration Patterns (EIP), and Spring Integration versus Apache Camel

Q. Why do you need AMQP when there is JMS?

A. AMQP stands for Advanced Message Queuing Protocol, and was developed to address the problem of interoperability by creating a standard for how messages should be structured and transmitted between platforms the same way as SMTP, HTTP, FTP, etc. have created interoperable systems.

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Spring JMS with Websphere MQ – configuring and sending messages

Messaging systems are used in enterprise applications for scalability. Here is some sample code that compliments JMS interview questions and answers. JMS configuration Step 1: Add the relevant dependency jars…

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Spring JMS with Websphere MQ Listener (Receiver or Subscriber)

This is the continuation Spring JMS with Websphere MQ

Step 1: Write a listener class to receive the message by invoking the onMessage(Message message) method.

package com.myapp.service.impl;

import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Component
//@Transactional
public class MyAppListener implements MessageListener
{
    
    private static Logger LOG = LoggerFactory.getLogger(MyAppListener.class);

…

Blog Archives

16 FAQ JMS interview Q&As

Members Only Content

Configuring JMS with Java Config for sending & receiving messages

JMS versus AMQP, Enterprise Integration Patterns (EIP), and Spring Integration versus Apache Camel

Spring JMS with Websphere MQ – configuring and sending messages

Members Only Content

Spring JMS with Websphere MQ Listener (Receiver or Subscriber)

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