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Migrating Connectors and Modules to Mule 4

This section covers the migration of connector-specific features and lists connectors that are deprecated or removed from Mule 4.

Deprecated or Removed Connectors

The following table shows deprecated/removed Mule 3.x modules and how to replace them in Mule 4.0.

Mule 3.x Module Mule 4.0 Replacement

Ajax

Use APIkit + standard REST.

Atom

Replaced with HTTP + DataWeave.

Axis

Use Web Service Consumer / APIkit for SOAP.

BPM

MuleSoft now provides connectivity to Pega or Appian for BPM.

CXF

Use Web Service Consumer.

Drools

Removed.

EJB

Removed.

Guice

Removed.

jBPM

MuleSoft now provides connectivity to Pega or Appian for BPM.

Jetty

Use new HTTP module.

OGNL

Replaced DataWeave expression language, or MEL in compatibility module.

Patterns

Removed. Use flows instead.

Quartz

Use new Scheduler component.

RSS

Use HTTP + DataWeave.

Servlet

New embedded mode in development.

Stdio

Removed.

SXC

Use DataWeave.

Tomcat

New embedded mode in development.

UDP

Use Sockets connector.

XMPP

Removed.

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