> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/connectors/java/3.0/3.0.1.md).

# Connector/J 3.0.1 Release Notes

Release notes for MariaDB Connector/J 3.0.1, a Beta release published 11 August 2021.

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<p align="center">The most recent release of <a href="/docs/connectors/mariadb-connector-j.md">MariaDB Connector/J</a> is: <a href="/docs/release-notes/connectors/java/3.5/3.5.10.md"><strong>3.5.10</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/java8-connector" class="button primary">Download Connector/J 3.5.10</a></p>
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[Download](https://mariadb.com/downloads/#connectors) | **Release Notes** | [Changelog](/docs/release-notes/connectors/java/changelogs/3.0/3.0.1.md) | [About MariaDB Connector/J](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md)

**Release date:** 11 Aug 2021

MariaDB Connector/J 3.0.1 is a [***Beta***](/docs/release-notes/community-server/about/release-criteria.md) ***(Beta)*** release.

{% hint style="danger" %} <mark style="color:red;">**Do not use non-stable (non-GA) releases in production!**</mark>
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**NOTE:** MariaDB Connector/J 3.0.1 is fully compatible with the latest release of version 2.7. Further maintenance releases will not be provided for version 2.7 after MariaDB Connector/J 3.0 becomes stable (GA).
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**For an overview of MariaDB Connector/J see the** [**About MariaDB Connector/J**](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md) **page**
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## Notable Changes

See the [MariaDB Connector/J 3.0.0 Release Notes](/docs/release-notes/connectors/java/3.0/3.0.0.md) for the 3.0 release, with the following fixes:

## Bugs Fixed

* [CONJ-879](https://jira.mariadb.org/browse/CONJ-879) Provide JPMS module descriptor
* [CONJ-880](https://jira.mariadb.org/browse/CONJ-880) metadata query performance correction
* [CONJ-884](https://jira.mariadb.org/browse/CONJ-884) MariaDbPoolDataSource leaks connections when the mariadb server restarts
* [CONJ-885](https://jira.mariadb.org/browse/CONJ-885) org.mariadb.jdbc.internal.util.pool.Pool swallows SQLException during addConnection
* [CONJ-891](https://jira.mariadb.org/browse/CONJ-891) getImportedKeys with null catalog restrict result to current database
* [CONJ-894](https://jira.mariadb.org/browse/CONJ-894) Adding useMysqlMetadata for 2.7 compatibility

## Changelog

For a complete list of changes made in MariaDB Connector/J 3.0.1, with links to detailed information on each push, see the [changelog](/docs/release-notes/connectors/java/changelogs/3.0/3.0.1.md).

<sub>*This page is: Copyright © 2026 MariaDB. All rights reserved.*</sub>

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