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title: Sockets Connector Release Notes
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# Sockets Connector Release Notes

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

Anypoint Connector for Sockets (Sockets Connector) provides a sockets listener, send capability, and
send and receive functionality. Additionally, it provides TCP and UDP requesters.

Support Category:
[Select](https://www.salesforce.com/en-us/wp-content/uploads/sites/4/documents/legal/Agreements/versioning-back-support-policy.pdf)

Guide: [Sockets Connector User Guide](https://docs.mulesoft.com/sockets-connector/latest/)

## 1.2.10

**September 18, 2026**

### What’s New

- This release includes general security fixes.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

## 1.2.9

**July 23, 2026**

### What’s New

- This connector version requires Mule runtime 4.6.22 or later if you’re using Mule 4.6.x, or Mule
  runtime 4.9.9 or later if you’re using Mule 4.9.x. If you prefer not to upgrade your Mule runtime,
  use the connector version released immediately after this one.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><div><div><p>The Commons IO library is upgraded to version 2.22.0 to address reported security vulnerabilities.</p></div></div></td><td><div><div><p>W-23441576</p></div></div></td></tr></tbody></table>

## 1.2.8

**July 2, 2026**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><p>Previously, when using <code>sockets:send-and-receive</code> over a pooled TCP/TLS requester with the XML message protocol, the operation returned a null payload if the remote server half-closed the connection (via TCP FIN or TLS close_notify). The connector now actively detects these remotely closed connections and triggers a connectivity error, allowing your configured reconnection strategy to automatically reestablish the connection.</p></td><td><p>W-20876152</p></td></tr></tbody></table>

## 1.2.7

**September 26, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><p>The Apache commons-lang3 dependency is upgraded to version 3.19.0 to fix the CVE-2025-48924 vulnerability.</p></td><td><p>W-19174603</p></td></tr></tbody></table>

## 1.2.6

**June 27, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><p>Updated org.mule.sdk:mule-sdk-api from 0.10.2 to 0.10.5.</p></td><td><p>W-18223642</p></td></tr><tr><td><p>Updated commons-io:commons-io from 2.14.0 to 2.19.0.</p></td><td><p>W-18223642</p></td></tr><tr><td><p>Updated org.mule.tools.maven:maven-helper-plugin from 3.3.0 to 3.6.1.</p></td><td><p>W-18223642</p></td></tr><tr><td><p>Updated org.mule.modules:mule-spring-module from 1.3.11 to 1.5.0.</p></td><td><p>W-18223642</p></td></tr><tr><td><p>Updated org.mule.tools.maven:munit-extensions-maven-plugin from 1.5.0 to 1.6.0.</p></td><td><p>W-18223642</p></td></tr></tbody></table>

## 1.2.5

**October 22, 2024**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><p>Security vulnerabilities are now fixed.</p></td><td><p>W-16958714</p></td></tr></tbody></table>

## 1.2.4

**December 14, 2023**

### What’s New

- This connector is now compatible with Java 17.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr></tbody></table>

## 1.2.3

**October 18, 2022**

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr></tbody></table>

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>Updated typo in <code>Max message leght</code> label to <code>Max message length</code>.</p></td><td><p>W-11878349</p></td></tr></tbody></table>

## 1.2.2

**August 31, 2021**

<table><colgroup><col> <col></colgroup><thead><tr><th>Software</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr></tbody></table>

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>The <strong>Send and Receive</strong> operation didn’t throw the <code>ConnectionException</code> message needed to trigger the reconnection strategy. Now, the operation throws the exception correctly.</p></td><td><p>SOCON-7</p></td></tr><tr><td><p>The Sockets Connector <strong>EoF</strong> protocol didn’t properly inform the end of file was reached and hanged until the timeout occurred. Now, the protocol performs correctly.</p></td><td><p>SOCON-10</p></td></tr></tbody></table>

## 1.2.1

**Jan 20, 2021**

### Minimum Mule Version

**Mule 4.1.1**

### Fixed Issues

Sockets Connector hangs during Studio debugging due to a 'NoClassDefFound' exception being thrown.
(SOCON-6)

## 1.2.0

**June 24, 2020**

### Minimum Mule Version

**Mule 4.1.1**

### Features

Verbose/Wirelog log for TCP Connections. (MULE-18479)  
Consider that enabling Verbose/Wirelog can affect the performance related to the quantity of data
logged.

## 1.1.6

**March 19, 2020**

### Minimum Mule Version

**Mule 4.1.1**

### Fixed Issues

Fixed issue that caused reconnection strategy to not work. (MULE-18173)

## 1.1.5

**March 28, 2019**

### Minimum Mule Version

**Mule 4.1.1**

### Fixed Issues

Upgraded Commons IO dependency to version 2.6.

## 1.1.4

**December 18, 2018**

### Minimum Mule Version

**Mule 4.1.1**

### Fixed Issues

Removed unnecessary uses of Guava to improve performance.

## 1.1.3

**December 14, 2018**

### Minimum Mule Version

**Mule 4.1.1**

### Fixed Issues

Updated mule-extensions-parent and mule-extensions-maven-plugin with the fix versions of the
maven-install-plugin and maven. (MULE-15766)

## 1.1.2

**September, 20 2018**

### Minimum Mule Version

**Mule 4.0.0**

### Fixed Issues

Connector did not implement Equals() and HashCode() for their POJOs, which caused dynamic
connections to not work properly. (MULE-15711)

## 1.1.1

**Mar 14, 2018**

### Minimum Mule Version

**Mule 4.0.0**

### New Features

- Metadata for the Attributes of this connector is more accurate and now tells which fields are
  nullable.

### Fixed Issues

- Connectors don’t communicate correctly if their POJOs properties are nullable or not. (MULE-14701)

## 1.1.0

**Jan 22, 2018**

### Minimum Mule Version

**Mule 4.1.0**

### Fixed Issues

- Upgrade Guava to 23.5. (MULE-14215)

- Make sure all Serializable classes have UUID. (MULE-13670)

## 1.0.0

**Nov 13, 2017**

### Minimum Mule Version

**Mule 4.0.0**

## See Also

- [Salesforce Help](https://help.salesforce.com)

- [MuleSoft Services](https://www.mulesoft.com/support-and-services)

- [Known Issues](https://help.salesforce.com/s/issues)