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# Cassandra Connector 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)

Anypoint Connector for Cassandra provides the capability to connect a Mule app to a Cassandra
database or cluster.

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

## 5.0.0

**September 21, 2026**

### What’s New

- This connector now supports Apache Cassandra 5.x. The connector now uses DataStax Java Driver
  4.17.0.

- The **Cassandra Cluster Name** field is removed from Studio. It no longer appears on the
  **General** or **Advanced Settings** tab. Applications that still set `clusterName` on
  `cassandra-db:connection` fail to deploy. Delete the attribute. Contact points and
  [**Cassandra Cluster Nodes**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#config_connection)
  still select the cluster.

- The new
  [**Local Datacenter**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#config_connection)
  field is on the **Advanced Settings** tab. It sets the local datacenter for the driver’s
  load-balancing policy. Set this field when contact points don’t share one datacenter, such as in a
  multi-DC cluster. You can omit it for single-DC clusters.

- The new
  [**Request Timeout (ms)**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#config_connection)
  field is on the **Advanced Settings** tab. It sets the per-request timeout for CQL operations. The
  default is `12000` milliseconds, which preserves the 12-second deadline from version 4.1.

- TLS configuration now applies to the driver. The default
  [**Endpoint identification algorithm**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#config_connection)
  is `DISABLED`. If your XML still sets `HTTPS` or `LDAPS`, version 5.0 validates the server
  certificate against the host.

- Don’t select native protocol `V1` or `V2`. Those values fail at application initialization. Leave
  [**Protocol Version**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#config_connection)
  unset to let the driver negotiate, including native protocol V5 on Apache Cassandra 5.x.

- On Apache Cassandra 5.x, the
  [**Change Column Type**](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-reference#changeColumnType)
  operation fails because Cassandra no longer supports altering column types. Add a new column,
  backfill the data, then drop the old column.

For more information about how to upgrade, see
[Upgrading and Migrating Cassandra Connector to 5.x](https://docs.mulesoft.com/cassandra-connector/latest/cassandra-connector-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>4.6.0 and later</p></td></tr><tr><td><p>Cassandra database or cluster</p></td><td><p>5.x</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>4.17.0</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>jackson-core</code> and <code>jackson-databind</code> libraries are upgraded to version 2.22.2.</p></li><li><p>The <code>netty-codec</code> library is upgraded to version 4.2.0.Final.</p></li><li><p>The <code>netty-handler</code> library is upgraded to version 4.1.137.Final.</p></li><li><p>The <code>guava</code> library is upgraded to version 32.1.3-jre.</p></li><li><p>The <code>jnr-posix</code> library is upgraded to version 3.2.2.</p></li><li><p>The <code>commons-lang3</code> library is upgraded to version 3.20.0.</p></li><li><p>The <code>commons-collections4</code> library is upgraded to version 4.6.0.</p></li></ul></div></div></td><td><p>W-24070820, W-24113938, W-23790517</p></td></tr></tbody></table>

## 4.1.4

**February 18, 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>4.1.1 and later</p></td></tr><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.11.3</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 the <code>CVE-2025-24970</code> security vulnerability:</p></div><div><ul><li><p>The <code>netty-codec</code> library is upgraded to version 4.1.125.Final.</p></li><li><p>The <code>netty-handler</code> library is upgraded to version 4.1.125.Final.</p></li></ul></div></div></td><td><p>W-21239177</p></td></tr><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 3.18.0.</p></li><li><p>The <code>commons-collections</code> library is migrated to <code>commons-collections4</code> version 4.4.0.</p></li></ul></div></div></td><td><p>W-21286162</p></td></tr></tbody></table>

## 4.1.3

**September 27, 2024**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8, 11, and 17</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.11.3</p></td></tr></tbody></table>

## 4.1.2

**October 6, 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><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.11.3</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 com.google.guava library is upgraded to version 32.0.1-jre to address reported security vulnerabilities.</p></td><td><p>W-13844875</p></td></tr><tr><td><p>The netty-handler library is upgraded to version 4.1.94.Final to address reported security vulnerabilities.</p></td><td><p>W-13844862</p></td></tr></tbody></table>

## 4.1.1

**May 2, 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><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.11.3</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>Cassandra driver is upgraded to version 3.11.3.</p></td><td><p>W-12665856</p></td></tr><tr><td><p>Jackson-core and jackson-databind libraries are upgraded to version 2.15.0.</p></td><td><p>W-12665443</p></td></tr><tr><td><p>Netty-codec library is upgraded to version 4.1.92-Final.</p></td><td><p>W-12665865</p></td></tr></tbody></table>

## 4.1.0

**Mar 27, 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><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</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>Cassandra Connector now has a new <strong>Prepared Statements Cache Size</strong> parameter that enables you to set a cache in memory for prepared statements to avoid performance issues.</p></td><td><p>W-12630494</p></td></tr></tbody></table>

## 4.0.8

**May 20, 2022**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>Fixed reported security vulnerabilities by upgrading the Netty Codec library from <code>io.netty:netty-codec:4.1.68.Final</code> to <code>io.netty:netty-codec:4.1.77.Final</code>.</p></td><td><p>W-11124605</p></td></tr></tbody></table>

## 4.0.7

**April 13, 2022**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>Fixed reported security vulnerabilities by upgrading the Jackson Databind library from <code>com.fasterxml.jackson.core:jackson-databind:2.11.3</code> to <code>com.fasterxml.jackson.core:jackson-databind:2.13.2.2</code>.</p></td><td><p>W-10920459</p></td></tr><tr><td><p>Fixed reported security vulnerabilities by upgrading the Netty Handler library from <code>io.netty:netty-handler:4.1.59.Final</code> to <code>io.netty:netty-handler:4.1.76.Final</code>.</p></td><td><p>W-10920459</p></td></tr></tbody></table>

## 4.0.6

**March 28, 2022**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>Cassandra Connector can now parse dates with the <code>yyyy-mm-dd’T’HH:mm:ssZ</code> format when performing an <strong>Insert</strong> operation.</p></td><td><p>W-10853991</p></td></tr></tbody></table>

## 4.0.5

**September 24, 2021**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

<table><colgroup><col> <col></colgroup><thead><tr><th>Issue</th><th>ID</th></tr></thead><tbody><tr><td><p>Fixed a CassandraDB vulnerability.</p></td><td><p>CONN-8854</p></td></tr></tbody></table>

## 4.0.4

**August 11, 2021**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

- CloudHub schedules were not created when Cassandra Connector 4.x was configured within an
  application. (SE-22151)

## 4.0.3

**July 23, 2021**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

- Fixed all reported vulnerabilities.

## 4.0.2

**March 12, 2021**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

- The DATE type sent to Cassandra was not parsed correctly. (SE-19919)

### Limitation

Cassandra operations do not support frozen column types or other custom column types. When using
these column types, use the **Execute CQL Query** operation with a raw CQL query.

## 4.0.1

**February 22, 2021**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Fixed Issues

- Fixed all reported security vulnerabilities.

### Limitation

Cassandra operations do not support frozen column types or other custom column types. When using
these column types, use the **Execute CQL Query** operation with a raw CQL query.

## 4.0.0

**November 5, 2020**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr><tr><td><p>DataStax Java Driver for Apache Cassandra</p></td><td><p>3.10.1</p></td></tr></tbody></table>

### Features

- Implemented Mutual TlS authentication.

- Removed the **SSL** field from the configuration and replaced it with **TLS**.

- Refactored error handling and error types.

### Fixed Issues

- The package name was changed from `org/mule/modules/cassandradb` to
  `com/mulesoft/connector/cassandradb`.

### Limitation

Cassandra operations do not support frozen column types or other custom column types. When using
these column types, use the **Execute CQL Query** operation with a raw CQL query.

## 3.1.4

**May 19, 2020**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>OpenJDK</p></td><td><p>8 and 11</p></td></tr></tbody></table>

### Features

- None

### Fixed Issues

- Fixed a man-in-the-middle vulnerability caused by the Netty handler is used by the Cassandra
  driver.

## 3.1.3

**May 6, 2020**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr></tbody></table>

### Features

- None

### Fixed Issues

- Fixed all reported vulnerabilities.

## 3.1.2

**January 17, 2020**

### 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>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr></tbody></table>

### Fixed Issues

Fixed vulnerabilities

### Improvements and Changes

- Added DEBUG logging level to help with troubleshooting

- Added a Summary annotation

- Javadoc improvements

- Pluralized list names and changed variable’s names that refer to lists that use plural names

- Parent upgrade

- Removed Atlantic library

## 3.1.1

**April 26, 2019**

### 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>4.0 and later</p></td></tr><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr></tbody></table>

### Fixed Issues

- Fixed an issue where the timestamp field was presenting the following error:
  com.datastax.driver.core.exceptions.CodecNotFoundException: Codec not found for requested
  operation: \[timestamp <→ java.lang.String\](https://docs.mulesoft.com/release-notes/connector/SE-10920) The string date is now converted into a
  date accepted by the Cassandra driver. (SE-11613)

## 3.1.0

**July 31, 2018**

Cassandra connector is available on Mule 4.0.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>Mule</p></td><td><p>4.0 and later</p></td></tr></tbody></table>

### Features

- This version supports Cassandra cluster configuration. Users can provide comma-separated Cassandra
  nodes, for example `127.0.0.1:9160, 127.0.0.2:9160`.

## 3.0.0

**January 12, 2018**

Cassandra connector is available in Mule 4.0.

### Compatibility

<table><colgroup><col> <col></colgroup><thead><tr><th>Application/Service</th><th>Version</th></tr></thead><tbody><tr><td><p>Cassandra database or cluster</p></td><td><p>1.2 and later</p></td></tr><tr><td><p>CQL spec</p></td><td><p>3.x</p></td></tr><tr><td><p>Mule</p></td><td><p>4.0 and later</p></td></tr></tbody></table>

## 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)