V-Soft's Corporate Headquarters

101 Bullitt Lane, Suite #205
Louisville, KY 40222

TOLL FREE: 844.425.8425
FAX: 502.412.5869

Denver, Colorado

6400 South Fiddlers Green Circle Suite #1150
Greenwood Village, CO 80111

TOLL FREE: 844.425.8425

Chicago, Illinois

311 South Wacker Dr. Suite #1710, Chicago, IL 60606

TOLL FREE: 844.425.8425

Madison, Wisconsin

8401 Greenway Boulevard Suite #100
Middleton, WI 53562

TOLL FREE: 844.425.8425

Atlanta, Georgia

1255 Peachtree Parkway Suite #4201
Cumming, GA 30041

TOLL FREE: 844.425.8425

Cincinnati, Ohio

Spectrum Office Tower 11260
Chester Road Suite 350
Cincinnati, OH 45246

Phone: 513.771.0050

Raritan, New Jersey

216 Route 206 Suite 22 Hillsborough Raritan, NJ 08844

Phone: 513.771.0050

Toronto, Canada

1 St. Clair Ave W Suite #902, Toronto, Ontario, M4V 1K6

Phone: 416.663.0900

Hyderabad, India

Incor 9, 3rd Floor, Kavuri Hills
Madhapur, Hyderabad – 500033 India

PHONE: 040-48482789

Noida, India

H-110 - Sector 63 ,
NOIDA , Gautham Budh Nagar ,
UP – 201301

Mulesoft's Mule 4 Vs Mule 3 Release, Why Upgrade?

Mule 4 Vs Mule 3 Variants, Which is better?

To foster enterprise’s efforts in total digital transformation, Mulesoft’s latest launch Mule 4 release is offering some interesting API-led connectivity and integration solutions at a low cost and simplified way, compared to it's prior version Mule 3 release. If you are planning to migrate from Mule 3 to Mule 4, here we discuss what is so special about Mule 4, why migrating to Mule 4 is more beneficial, and what are the differences between the Mule 3 release and Mule 4 release.

Integrated and Effective Error handling

In contrast to the Mule 3 exception of handling is based on Java, Mule 4 error handling framework enables direct handling by having integrated and configurable error handling mechanisms. These mechanisms are where errors are located and handled - based on its type - during the design phase itself. In Mule 4 throwing of errors is done by validators not through java exceptions.

Mule 4 has introduced new “Try” to get hold of errors of any number of event processes during the flow itself, thereby evading the need for creation of another flow. This way Mule 4 ensures uninterrupted and smooth processing flow with better ability to handle errors.

 (Learn about Error Handling in MuleSoft Mule 4.)

Better Application Configuration: Maven

To bring improved abilities in configuring and managing application development processes, Mule 4 has come with profound integration with Maven- by ensuring all the Mule 4 applications to be Maven applications by-default (Mule 3 to offer this, just has an option to build Maven project). Mulesoft has changed the overall application structure of Mule 4. Refer the below image for the application structure of the Mule 4.

Mule 4 Application structure

Figure: Mule4 Application Structure. Source: Mulesoft's Mule4 Documentation

(Learn about Mule Maven implementation.)

Simplified Event Processing and Messaging

Comparing Mule4 and Mule 3 Event structureFigure: Mule 4 Vs Mule 3 Event structure. Source: Mulesoft's Mule 4 Documentation

Mule 4 brings a more compact event processing model by optimizing unwanted hierarchies and workflows. In the message section of Mule 4 event architecture, the inbound and outbound properties in Mule 3 are merged under one category “Attributes” and this holds the payload’s metadata information, any file content, updates on file, query parameters, flow's message source, inbound properties, outbound properties and message processor info.

Unlike in Mule 3, Mule 4 payload itself allows piggybacking attachments to optimize the flow. In Mule 4 event, creation happens whenever changes are made to mule events. This avoids data discrepancies across all the threads running or other events relying on this event.

In Mule 3 message is embedded within the mule message objects (contains: variable, attachment and exception payloads) and metadata holds info about the message. As a part of message passing, messages are to be transformed explicitly into java objects, whereas in Mule 4 it happens by default.

(Learn about event processing and messaging implementation.)

DataWeave 2.0 For Better Data Handling

In Mule 3 releases, developers are to use Mule Expression Language (MEL) as well as DataWeave for developing mule messages. But this approach had some data inconsistencies and scattered approaches. To derive steadiness and streamline data activities in DataWeave 2.0 was launched. DataWeave 2.0 pushes Mule 4 messages right into a connector, rather using MEL. To have greater data transparency, Mule 4 stores the event structures and responses (data and context).

In contrast to Mule 3, Mule 4 DataWeave avoids the stress of converting data objects to Java objects by the usage of expressions. The DataWeave avoids caching of data in memory while providing access to data to memory or any data repositories. This way data is streamed fast, transparently and avoids unnecessary memory lags.

(Learn about DataWeave2.0 and its implementation.)

Keen to know more technical details about how Mule 4 variants foster the development process over Mule 3 releases? or, want to know about a step by step process for Mule 3 to Mule 4 migration ? Then get a free consultation from our Mulesoft experts

 Free White Paper on API Connectivity

Topics: Technology, MuleSoft, Mule4, Mule3 Vs Mule4

Get Weekly Updates

A Comprehensive Guide to MuleSoft Mule 4