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# Java Module Release Notes

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

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

Use Java Module to invoke Java code.

Guide: [Java Module User Guide](https://docs.mulesoft.com/java-module/latest/)

## 2.0.8

**October 14, 2026**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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 <code>spring-core</code> library is removed to address reported security vulnerabilities.</p></td><td><p>W-24468177</p></td></tr></tbody></table>

## 2.0.7

**September 4, 2026**

### What’s New

- This release includes general security fixes.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>17</p></td></tr></tbody></table>

## 2.0.6

**August 3, 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>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>17</p></td></tr></tbody></table>

## 2.0.5

**June 30, 2026**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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>These libraries are upgraded to address reported security vulnerabilities:</p></div><div><ul><li><p>The <code>commons-lang3</code> library is upgraded to version 3.20.0.</p></li><li><p>The <code>spring-core</code> library is upgraded to version 6.2.19.</p></li><li><p>The <code>mockito</code> library is upgraded to version 5.23.0.</p></li></ul></div></div></td><td><p>W-22944057</p></td></tr></tbody></table>

## 2.0.4

**December 18, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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 <code>spring-core</code> library is upgraded to version 6.2.15 to address the <code>CVE-2025-41249</code> security vulnerability.</p></td><td><p>W-20593403</p></td></tr></tbody></table>

## 2.0.3

**October 29, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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 <code>org.apache.commons:commons-lang3</code> library is upgraded to version 3.18.0 to address the <code>CVE-2025-48924</code> security vulnerability.</p></td><td><p>W-19605039</p></td></tr></tbody></table>

## 2.0.2

**September 9, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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 Spring framework is upgraded to version 6.2.10 to address the <code>CVE-2025-41242</code> security vulnerability.</p></td><td><p>W-19578317</p></td></tr></tbody></table>

## 2.0.1

**August 5, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>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>Java Module no longer exhibits incorrect behavior when used in a shared domain configuration with multiple applications that contain Java classes with the same fully qualified name (FQN). Java Module incorrectly cached classloading results across applications, resulting in method invocations resolving to the wrong application’s class. Now, the caching logic includes context classloader or application identity as part of the cache key.</p></td><td><p>W-18492205</p></td></tr></tbody></table>

## 2.0.0

**June 30, 2025**

### What’s New

- Java Module (and its dependencies) are now compilable and compatible only with Java 17.

- To align with modern development practices and ensure continued compatibility with secure and
  supported libraries, Java Module is upgraded from Spring 5.x to Spring 6.x.

For more information about how to upgrade the connector to version 2.0, refer to
[Upgrading and Migrating Java Module to Version 2.x](https://docs.mulesoft.com/java-module/latest/java-module-upgrade-migrate).

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Mule</p></td><td><p>4.9.4 and later</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>17</p></td></tr></tbody></table>

## 1.2.19

**September 4, 2026**

### What’s New

- This release includes general security fixes.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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>

## 1.2.18

**August 21, 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>Application/Service</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 <code>commonsLang</code> library is upgraded to version 3.20.0 to address reported security vulnerabilities.</p></td><td><p>W-23441694</p></td></tr></tbody></table>

## 1.2.17

**August 4, 2026**

This version is deprecated. The new features and fixed issues for this version are in version
1.2.18.

## 1.2.16

**October 29, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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 <code>org.apache.commons:commons-lang3</code> library is upgraded to version 3.18.0 to address the <code>CVE-2025-48924</code> security vulnerability.</p></td><td><p>W-19605039</p></td></tr></tbody></table>

## 1.2.15

**August 4, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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>Java Module no longer exhibits incorrect behavior when used in a shared domain configuration with multiple applications that contain Java classes with the same fully qualified name (FQN). Java Module incorrectly cached classloading results across applications, resulting in method invocations resolving to the wrong application’s class. Now, the caching logic includes context classloader or application identity as part of the cache key.</p></td><td><p>W-18492205</p></td></tr></tbody></table>

## 1.2.14

**March 21, 2025**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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>Java Module now contains patched Spring 5.x to fix security vulnerabilities.</p></td><td><p>W-17918454</p></td></tr></tbody></table>

## 1.2.13

**March 25, 2024**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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 spring-core library is upgraded to version 5.3.33 to address reported security vulnerabilities.</p></td><td><p>W-15194448</p></td></tr></tbody></table>

## 1.2.12

**December 12, 2023**

### What’s New

- This connector is now compatible with Java 17.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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>

## 1.2.11

**June 21, 2023**

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</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>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue Resolution</th><th>ID</th></tr></thead><tbody><tr><td><p>The spring-core library is upgraded to version 5.3.28 to address reported security vulnerabilities.</p></td><td><p>W-13622235</p></td></tr></tbody></table>

## 1.2.10

**June 28, 2022**

### What’s New

- Upgraded versions of dependencies.

### Compatibility

<table><colgroup><col> <col></colgroup><tbody><tr><td><p>Application/Service</p></td><td><p>Version</p></td></tr><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr></tbody></table>

## 1.2.9

**August 17, 2021**

### What’s New

- Optimized the connector to improve its overall stability and performance. (JM-35)

### Compatibility

<table><colgroup><col> <col></colgroup><tbody><tr><td><p>Application/Service</p></td><td><p>Version</p></td></tr><tr><td><p>Mule</p></td><td><p>4.1.1 and later</p></td></tr></tbody></table>

## 1.2.8

**April 8, 2021**

### Features

None.

### Fixed Issues

- Removed dependencies included in the Mule runtime engine to avoid warning messages during startup
  (JM-34)

## 1.2.7

**November 4, 2020**

### Features

None.

### Fixed Issues

- Upgraded Spring version to 5.3.0 (JM-31)

## 1.2.6

**December 9, 2019**

### Features

None.

### Fixed Issues

- Wrong OutputType for a method that returns a java.lang.Object type. (JM-14)

- MUnit tests for metadata validation. (MU-1529)

- Upgrade mule-extensions-parent, mule-core-modules-parent and mule-ee-core-modules-parent to 1.1.6.
  (MULE-17121)

- Upgrade MUnit version to 2.2.1. (MULE-17301)

## 1.2.5

**August 14, 2019**

### Features

- Change execution pool to CPU\_LITE for new instance operations. (MULE-17326)

- Change execution pool to IO for invoke operations. (MULE-17329)

### Fixed Issues

None.

## 1.2.4

**May 30, 2019**

### Features

None.

### Fixed Issues

- Java module fails to invoke method that receives Optional<Pojo> (MULE-16932)

## 1.2.3

**May 29, 2019**

### Features

None.

### Fixed Issues

- Java module fails to transform null into an empty Optional. (MULE-16918)

## 1.2.2

**April 26, 2019**

### Features

None.

### Fixed Issues

- Upgrade Spring to 5.1.6.

- Upgrade Apache Commons Lang to 3.8.1.

## 1.2.1

**January 14, 2019**

### Features

- Fixed an issue with invoking a method from a class that implements an interface with generics.
  This would produce a warning that there were multiple methods found that match the provided
  method.

### Fixed Issues

- JavaModule: no longer throws WARN messages with Generic interface implementation. (MULE-16316)

## 1.2.0

**September 6, 2018**

### Features

- It’s now possible to configure the Output MimeType of the Invoke and Invoke Static Operations.

- Improved error handling, the connector used to not show the real error that occurred when
  executing Java methods.

- New functions `getRootCause` and `isCausedBy` are now available to introspect Throwables.

- In the extreme case where two parameters have the same simple name, such as `some.Pojo` and
  `other.Pojo` the full qualifier name can be used to avoid issues.

### Fixed Issues

- JavaModule: Support output MimeType parameter for runtime inference. (MULE-15283)

- Java Module: Improve Error cause propagation. (MULE-15540)

- Java Module: does not propagate execution error. (MULE-15262)

- Java Module invokeStatic declares an error that is never thrown. (MULE-15461)

- JavaModule: Support full qualifier name for parameter types to identify methods. (MULE-15009)

- Migrate JavaModule tests to MTF. (MULE-15076)

- Java Module: improve method not found error message. (MULE-15263)

- Java Module: 'new' operation does not declare INVOCATION error. (MULE-15538)

- Java Module: Fail to extract exception cause with default value. (MULE-15597)

## 1.1.2

**August 14, 2019**

### Features

- Provide proper classloading error information. (MULE-14938)

- Improve error messages and exception propagation. (MULE-15263)

- Change execution pool to CPU\_LITE for new instance operations. (MULE-17326)

- Change execution pool to IO for invoke operations. (MULE-17329)

### Fixed Issues

- InvokeStatic declares an error that is never thrown. (MULE-15461)

## 1.1.1

**May 11, 2018**

### Minimum Mule Version

Mule 4.1.0

### Features

- Fixed an issue that made it impossible to pass null as a parameter.

- Now when the arguments are passed by with their canonical name (arg0, arg1, etc.), parameter
  matching will be done by position.

### Fixed Issues

- JavaModule: Do best effort to do invocation with arg0, arg1…​ (MULE-15008)

- null values causes Exception in parameterNeedsTransformation. (MULE-14990)

## 1.1.0

**May 7, 2018**

### Minimum Mule Version

Mule 4.1.0

### Features

- When argument types don’t match the java function arguments, a best effort will be done to
  transform these arguments.

### Fixed Issues

- Java module doesn’t transform the arguments. (MULE-14861)

## 1.0.1

**March 23, 2018**

### Minimum Mule Version

Mule 4.1.0

### Features

- Fixed an issue that happened when calling static methods from different classes with the same
  signature.

### Fixed Issues

- Invoke static second call wrong. (MULE-14785)

## 1.0.0

**January 23, 2018**

### Minimum Mule Version

Mule 4.1.0

## 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)