jms message producer

First of all, when doing any technical pre-Research: what will I do to clear it? Why use it? What is JMS? Java Message Service is a set of interfaces and related semantics. It defines how JMS customers can access the functions of Enterprise message generation. JMS supports t

then send the message at this time the message is in the queue and once you redeploy he will immediately receive the message just sent so it has no time dependency, the PUB/SUB model can have multiple consumers In this model, if we define multiple beans that receive messages when we send a message to the client, two b

JMS Basics See: http://blog.csdn.net/zhangxs_3/article/category/625599 in practiceexisting problems (from "large Web site systems and Java Middleware practices", chapter sixth):first, how to resolve message delivery consistency1. Message Delivery Consistency definitionMessage delivery consistency means that the business action that generates the

JMS Message Delivery model :　　The messaging mechanism is based on pull or poll (polling) .There are two " messaging models " for JMS: Peer and pub/sub.(1) Peer: Point-to-point messaging model that allows JMS clients to synchronize or asynchronously send messages through the queue (queues) virtual channel; The

Learn the basics of using the Spring JMS framework and IBM WebSphere MQ 5.3 for JMS message processing. In the 4th and final installment of the Spring Series, I'll describe the characteristics of the spring JMS (Java messaging) framework. JMS PG defines a standard way for J

Business scene: A system through a queue (assuming the queue name is QueueA) to the B system to send messages, then the business adjustment, B system split into two systems B1,B2, respectively, processing different business, and each need to obtain different messages from the QueueA. In order not to change the logic of a system, a system also sends different messages to b1,b2 through a queue. B1,B2 to automatically select the message that belongs to y

A message object is divided into three parts: headers, properties, and payload ). For streammessage and mapmessage, the message itself has a specific structure, while for textmessage, objectmessage and bytesmessage, there is no structure. A message can contain some important data or only notifications of an event.The headers section of a

Ten improvements to message-oriented middleware specification JMS 2.0 Author: chszs, reprinted with note. Blog homepage: http://blog.csdn.net/chszs Message-oriented middleware specification JMS 2.0 has made many improvements in coding, which can help developers reduce the amount of code written. Next, let me explain it

consumer can consume the message only within the validity period. The default value is 0, indicating that the message never expires. You can set it in the following way:Producer. settimetolive (3600000); // valid for 1 hour (1000 ms * 60 seconds *60 points) JmspriorityThe priority of the message. 0-4 is the normal priority, and 5-9 is the high priority. You can

, sending and receiving are asynchronous, the sender does not have to wait; the life cycle of the two is not necessarily the same: the receiver does not necessarily run when the message is sent, and the sender does not necessarily run when the message is received; One-to-many communication: There can be multiple receivers for a message. Existing MOM systems incl

work. During the waiting period, the sender is in a blocking state. In the RPC system, the client and server must be online at the same time, but this requirement is usually difficult to meet. At the same time, mom is based on the Asynchronous interaction mechanism and abstracts a message queue. This message queue allows access over the network. Note that the "message