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HTTP Connector Release Notes

Support Category: Select

Anypoint Connector for HTTP (HTTP Connector) enables you to declare HTTP servers that listen to requests and trigger flows, as well as HTTP clients that can communicate with any HTTP service.

1.12.1

August 18, 2026

Fixed Issues

Issue Resolution ID

The plugins used for packaging the connector are updated to generate complete and accurate metadata at build time.

W-23815437

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

1.12.0

August 4, 2026

What’s New

  • The connector now reports a validation warning at deployment time when an http:listener-config is declared but isn’t referenced by any Listener, helping you detect orphaned listener configurations.

Fixed Issues

Issue Resolution ID

The Response Timeout and the connection pool acquisition timeout no longer conflict.

W-23131874

HTTP request URL validation at deployment time no longer produces false warnings when the request path or URL is set using a property placeholder.

W-23049232

Carriage return and line feed (CR/LF) characters in HTTP header values are now sanitized instead of causing the message to be rejected.

W-22252135

Requests canceled because the graceful shutdown period expired now return an HTTP 503 (Service Unavailable) response instead of an HTTP 500 (Internal Server Error) response.

W-21580619

The HTTP Connector proxy configuration no longer logs unnecessary WARN messages on Mule 4.9 and earlier runtime versions.

W-21948326

The Grizzly library is upgraded to 2.3.36-MULE-031.

W-21337433

The Sockets Connector dependency is upgraded to 1.2.9.

W-21770069

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

1.11.3

May 14, 2026

What’s New

  • The release 1.11.3 addresses a regression introduced in release 1.11.2, and includes all fixes from that release.

Fixed Issues

Issue Resolution ID

Build failures caused by an incorrectly published pom.xml in Exchange for HTTP Connector 1.11.2 are now fixed. The malformed POM caused the mule-maven-plugin to incorrectly resolve dependencies, resulting in the package org.mule.extension.socket.api.socket.tcp being exported by both the HTTP and Sockets connectors.

W-22489693

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

1.11.2 (Deprecated)

May 12, 2026

Fixed Issues

Issue Resolution ID

The plugins used for packaging are updated to fix a connector metadata generation issue related to Java 17 compatibility.

W-20903962

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

1.11.1

January 15, 2026

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

Spring dependencies are now removed from HTTP Connector and are only present in internal test modules.

W-19774918

A potential NullPointerException error that occurred during Abstract Syntax Tree (AST) validations at deployment time is now resolved, ensuring more stable application deployments.

W-20064897

The HTTP Connector Listener operation now correctly enforces the protocol version setting. Previously, a configuration set to HTTP/1 only incorrectly allowed incoming HTTP/2 connections.

W-19889726

HTTP Connector no longer adds erroneous Transfer-Encoding headers to HTTP/2 responses.

W-19845365

1.11.0

October 3, 2025

What’s New

  • The connector supports HTTP/2 (experimental in Mule runtime 4.10.0 and subject to change), enabling faster and more efficient HTTP communication. See HTTP/2 Support.

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

1.10.6

September 30th, 2025

Compatibility

Software Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

The connector now avoids unnecessary internal thread jumps when handling small payloads.

W-19545477

Request headers are now injected correctly for Visualizer.

W-19564419

Internal dependencies are upgraded.

W-19772921