I guess that we more often think about our services in “happy path” term, but we underestimate not so happy paths. What if my API is trying to reach another API/system and it is failing constantly? Can I reach it less often in case of timeout? I thought about that in case of a Mule 4 application and I come up with Circuit Breaker pattern. In this article I will briefly introduce the pattern and show you how you use it in your Mule application.
Master your skillset – Anypoint Exchange
Recently I was challenged by the survey for the Trailblazer profile. I was thinking about the beginning of the journey of becoming an Integration Developer. What I did to become successful in my day to day job and what I am doing now. As a result, I have decided to share my insight here. First,…
Runtime Fabric – how to find a license’s capacity
For the CloudHub deployment, we have an easy way to validate how many vCores we can assign to our applications. On the other hand, Runtime Fabric gives as an on-premise solution. How to validate capacity for this scenario? Recently I have described how to set up the environment on AWS. We will use the same…
Object Store v2 – rate limiting may be a problem
Lately, I had to design the solution that would store errors next to the application on CloudHub in Object Store v2. However, the problem arouses when the object store started to contain more than one thousand entries. Eventually, the solution began to fail reads and other operations. What has happened? In this article, you will…
Runtime Fabric – how to enable HTTP traffic
In the last article, you have seen how to set up the development environment on the AWS platform. By default, inbound access to each application deployed on such environment is prohibited. How to enable HTTP traffic? In this article, you will find simple walkthrough explaining how to configure ingress. Requirements Runtime Fabric allows only to…
Runtime Fabric – set up development environment on AWS
In this article, I will describe to you how to set up a development environment using Runtime Fabric using Docker. I will cover the requirements and detailed walkthrough. After completing this, you will be doing this on your own on AWS. Requirements There are a couple of requirements that you should be aware of. First,…
Kafka consumer transformation exception
Transform Message is a very powerful component in Mule 4. It gives a lot, but with the new DataWeave 2.0 language, we need to be careful. Sometimes we lack metadata or metadata is insufficient and Transform Message component may behave differently as we expect. What is more we may receive transformation exception. Case In the…
Keep your mule’s dependency up to date
One of the major changes in Mule 4 was introducing components modularization. Although it is a big step forward, it has some drawbacks that you should be aware of. In this article, we will look at keeping our mule application up to date. Especially now as MuleSoft is rapidly developing its new product. Mule 4…
DataWeave Tip #8 – write function
Recently I have been working on a really simple case. When an HTTP server returned an error and not empty body I needed to embed this body into an error structure. Although this is simple case I got a problem with implementing it in Mule 4. In the previous Mule edition it was a little bit simpler. So let’s see what it is all about.
Externalize scripts: a way to reuse scripts
I like the idea of clean easily read XML configuration in my Mule projects. Therefore I externalize DataWeave transformations , SQL quires and other content. In this article I will compare assets that Mule gives as to achieve externalization of such things in Mule 3 and Mule 4.