Guaranteed message deliveries part 3: monitoring the redelivery policy

Posted by Luuk Abels on 21 Sep, 2017

In this third and last blog, I tell you about guaranteed message deliveries and how to monitor the redelivery policy that we have configured in the previous 2 blogs. You can find part 1 here and part 2 here

When the delivery of a message fails the ESB will go the faultSequence. There you want to log the error message. There is also no need to send any kind of response in de faultSequence because you cannot send a response back to the queue. 
Read More

Topics: WSO2 ESB, ESB

Guaranteed message deliveries part 2: when delivery is not possible

Posted by Luuk Abels on 14 Sep, 2017

In my previous blog I explained how to configure the WSO2ESB and ActiveMQ for guaranteed delivery using JMS transactions. The reason of course being that you do not want messages lost in cyberspace. In this blog about guaranteed message deliveries I want to focus on how to deal with messages that cannot be delivered.

Read More

Topics: WSO2 ESB, ESB, ActiveMQ

Guaranteed message deliveries part 1: using the WSO2ESB and ActiveMQ

Posted by Luuk Abels on 7 Sep, 2017

How to configure a guaranteed delivery?

Whether you are a bank, a university or an SME, when you are using a ESB for communication between applications you probably also want to make sure that every message that passes through the ESB will be delivered and that no message gets lost in cyberspace.

There are a number of ways to configure a guaranteed delivery mechanism. In this blog, I want to focus on an a-synchronous solution using JMS.

Read More

Topics: WSO2 ESB, ESB, ActiveMQ

WSO2TORIAL: The lost artifact - Sequence template in the WSO2 ESB

Posted by Rob Blaauboer on 3 Aug, 2017

A Sequence Template is a parametrized sequence, providing an abstract or generic form of a sequence defined in the WSO2 ESB. Parameters of a template are defined in the form of XPath statement/s. Callers can invoke the template by populating the parameters with static values/XPath expressions using the Call Template Mediator, which makes a sequence template into a concrete sequence.

Read More

Topics: WSO2 ESB, ESB, sequence template

WSO2TORIAL: You've got mail! – a guide to use the SMTP mailto transport in WSO2 ESB

Posted by Rob Blaauboer on 27 Jul, 2017

Do not worry, this is not going to be a review of the 1998 film “You've got mail” starring Meg Ryan and Tom Hanks. It would be a bit late after almost 20 years. What this WSO2TORIAL is all about is the use of email specifically in the context of the WSO2 ESB: SMTP mailto transport in WSO2 ESB

Because email is still a widely used method of sending and receiving information both in the B2B world as in the B2C world.

Read More

Topics: WSO2 ESB, ESB, SMTP