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title: HL7 MLLP Connector Release Notes
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locale: ja-jp
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---
# HL7 MLLP Connector Release Notes

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

The Mule HL7 MLLP connector provides connectivity and parsing functionality for MLLP messages.

Guide: [HL7 MLLP Connector Guide](https://docs.mulesoft.com/jp/hl7-mllp-connector/latest/)  
Reference: [HL7 MLLP Connector Reference](https://docs.mulesoft.com/jp/hl7-mllp-connector/latest/hl7-mllp-connector-reference)

## [](#2-2-4)2.2.4

**Aug 18, 2026**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Fixed an intermittent issue with a broken pipe in the HL7 MLLP requester when using a connection pool with reconnection.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-22903021</p></td>
</tr>
</tbody>
</table>

## [](#2-2-3)2.2.3

**July 26, 2026**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">An intermittent race condition in the HL7 MLLP listener no longer interferes with message reading.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-23563951</p></td>
</tr>
</tbody>
</table>

## [](#2-2-2)2.2.2

**February 26, 2026**

### What’s New

- This connector is now FIPS 140-3 compliant.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

## [](#2-2-1)2.2.1

**August 28, 2025**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">The MLLP Listener now closes the connections when exceptions are thrown due to network-related issues.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-18283925</p></td>
</tr>
</tbody>
</table>

## [](#2-2-0)2.2.0

**October 16, 2024**

### What’s New

- The connector now validates the TLS protocols that are configured to address security vulnerabilities and throws a security exception for protocols that aren’t supported. For more information, see the **Throws** section on the [HL7 MLLP Connector Reference](https://docs.mulesoft.com/jp/hl7-mllp-connector/latest/hl7-mllp-connector-reference) page.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">The MLLP Listener now responds as expected to requests and no longer hangs when the incoming payload isn’t consumed.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-16822060</p></td>
</tr>
</tbody>
</table>

## [](#2-1-6)2.1.6

**January 24, 2024**

### What’s New

- This connector is now compatible with Java 17.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

## [](#2-1-5)2.1.5

**April 1, 2022**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">The <strong>Send</strong> operation now uses the standard (4 kb) chunk size.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-10935871</p></td>
</tr>
</tbody>
</table>

## [](#2-1-4)2.1.4

**November 12, 2020**

### [](#compatibility-8)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#features)Features

Improved logs for debug and trace modes by adding more troubleshooting information at the byte level for inbound and outbound messages and for the state of the MLLP Listener. (CONN-7220)

### [](#fixed-issues-6)Fixed Issues

Automatic restart is now enabled when the Listener throws errors. This fixes the issue that caused the Listener to not accept new connections after throwing errors. (SE-17603)

## [](#2-1-3)2.1.3

**May 18, 2020**

### [](#compatibility-9)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-7)Fixed Issues

- Improved debug level logging to provide more detail. (SE-15711)

## [](#2-1-2)2.1.2

**December 12, 2019**

### [](#compatibility-10)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-8)Fixed Issues

- Fixed the reconnection strategy implementation for outbound connections (SE-13271)
- Changed to transmitting data as bytes to avoid any issues with character encoding (SE-13928)

## [](#2-1-1)2.1.1

**November 13, 2019**

### [](#compatibility-11)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-9)Fixed Issues

TLS handling is fixed so that client authentication is optional and only used if a truststore is supplied. (SE-12545).

## [](#2-1-0)2.1.0

**February 11, 2019**

### [](#compatibility-12)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#features-2)Features

Source configuration allows specifying a connection count, and limiting the number of simultaneous connections to the supplied value. If not configured, the default behavior is to allow any number of simultaneous connections.

### [](#fixed-issues-10)Fixed Issues

Closing a connection to the source caused an empty message to be sent through the flow, generally resulting in an exception.

## [](#2-0-4)2.0.4

**January 11, 2019**

### [](#compatibility-13)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#features-3)Features

The start-of-block character is now configurable.

### [](#fixed-issues-11)Fixed Issues

- The end-of-block character was incorrectly marked as required. It is now optional.
- Under certain scenarios, all messages received after the first one would fail, with the error message `Message does not start with 'MSH'`. This was fixed.

## [](#2-0-3)2.0.3

**November 16, 2018**

This update fixes an response issue, and adds the new **sendAndReceive** operation.

### [](#compatibility-14)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-12)Fixed Issues

Mule 4 HL7 MLLP Connector does not wait for a response after sending a message out. Added new operation sendAndReceive.

## [](#2-0-2)2.0.2

**October 1, 2018**

### [](#compatibility-15)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-13)Fixed Issues

Depending on the way messages were sent to the connector, it would stop receiving requests after the first one. This was fixed.

## [](#2-0-1)2.0.1

**September 20, 2018**

### [](#compatibility-16)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-14)Fixed Issues

ACK like messages weren’t flowing back to sender.

## [](#2-0-0)2.0.0

**June 18, 2018**

### [](#compatibility-17)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.1.1 and later</p></td>
</tr>
</tbody>
</table>

### [](#features-4)Features

- Receive Message - The HL7 MLLP connector provides the functionality to receive MLLP messages.
- Send Message - The HL7 MLLP connector provides the functionality to send MLLP messages.

## [](#see-also)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)