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Mule is a lightweight, open source integration framework. In this tutorial, learn the requirements and steps for creating a sample Mule ESB. MuleSoft or Mule ESB interview Questions. Here are the 18 most important and common mulesoft or mule esb interview questions and answers which are bound . Mulesoft ESB Tutorial for Beginners – Learn Mulesoft ESB in simple and easy steps starting from basic to advanced concepts with examples.

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Anypoint Platform is equipped with more than pre-built connectors – out of which 30 are packaged with Anypoint Studio and the remaining ones are available in the Anypoint Exchange. In Mule-4 DataWeave version has changed from 1. You might have a question in your mind regarding what an ESB is and in which way this bus-like infrastructure is useful in the organizing of your applications and systems.

While creating these flows the flow name should be unique in whole mule project despite beaning in different mule application XML file. Mule is vendor-neutral, so different vendor implementations can plug in to it.

What is Mule ESB?

The second building block are the Anypoint connectors. By eliminating all the unused modules with its modular design, you make it lighter. Myle outbound property is also being set inside the class.

A wide variety of code languages are supported and also, it comes with large variety of widely used tools that your team might already be familiar with. To avoid the stress of converting data objects to Java objects in Mule 3 every time by the usage of expressions Mule 4 was launched. Drop us a Query Full Name. There will be multiple threads created for executing multiple routes simultaneously. Every message object contains the embedded message within it. Give us a chance to get our hands grimy by making an application in Anypoint Studio which contains different flows, and impart between themselves utilizing inbound and outbound connectors.


To achieve parallel processing of multiple flows in mule we can use Scatter-Gather. Being both lightweight and also highly scalable, Mulesoft allows one to start small and connect more applications as time progresses.

Creating a Mule ESB Sample Application

In this tutorial, learn the requirements and steps for creating a sample Mule application. Any flow variable which have been set in Tutofial and Flow2 will be accessible in both flows. The essence behind the ESB architecture is that one will be able to integrate different applications by providing a communication bus between them.

To run this application, right click on Mule Flow and select “Run Project sample-app.

These need ways or endpoints for message so as to be steered. A message retains its inbound properties only for the duration of the flow; when a message passes out of a flow, its inbound properties do not follow it.

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Variable in Mule 4 In this Variable in Mule 4 tutorial we will look how we can create and use mule variable in Mule 4, and how tutoial is different from Mule 3 and Mule 4. Session Variable becomes available over the entire the application once it has been declared.

Mulesoft ESB Tutorial

There are 4 types of flows in mule. MuleSoft Tutorial-Table of Contents. Message Processors – Transforms, filters, enriches, and processes messages. Enter Your Demo Date. MuleSoft Scatter-Gather Scope In this tutorial we will look at various configuration properties of Scatter-Gather with examples in detail and also see how to handle exception in Scatter-Gather.

After this, the session and flow variables are set to the second flow. Caching is a concept with is used to store frequently used data in the memory, file system or database which saves processing time and load if it would have to be access from original source location every time. The transformer class must be extending AbstractMessageTransformer. We will resolve by using dataweave and a custom exception class. Click on Set Payload Connector and set the value.


As in Mule 3, Flow Variable in Mule 4 value is lost even when the flow crosses the transport barrier. Now we have obtained a reference to Flow2 using flow-ref component. Amid the formation of sub-flow or private flow, we can either allude to the flow from a parent or another flow utilizing the flow-ref segment. Message sources are Anypoint Connectors.

Scatter-Gather can also execute multiple routes sequentially. These properties are changeless and can’t be tutorlal by the client. The F3 flow variable has also been tktorial set. Also see Mule Interview Questions I. The Mule Palette is the place where the Mule application building blocks are separated into categories.

Related Articles Mulesoft Tutorial Nov 16, The receiving endpoint is determined by the path in VM connector.

To tutlrial the application, go to Mule Flow, right click and select “Stop Tutrial sample-app. Validation Module in Mule. Frequently asked MuleSoft Interview Questions. Among these, MEL is default expression language in Mule 3 But this approach had some data inconsistencies and scattered approaches. For this, we need the below requirements. A reference is being provided to a configured HTTP listener inside the flow.

Calling process triggers the sub-flow and waits for it to complete and resumes once the sub-flow has completed. Session variable has been completely removed in Mule 4. We need to include pluginGroup in settings. Download A Buyer’s Guide to Application and Data Integrationyour one-stop-shop for research, checklists, and explanations for mkle application and data integration solution.