> 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/3.1/3.1.3.md).

# Connector/J 3.1.3 Release Notes

Release notes for MariaDB Connector/J 3.1.3, a Stable (GA) release published 22 March 2023.

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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/4.0/4.0.0.md"><strong>4.0.0</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/java8-connector" class="button primary">Download Connector/J 4.0.0</a></p>
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[Download](https://mariadb.com/downloads/connectors/connectors-data-access/java8-connector) | **Release Notes** | [Changelog](/docs/release-notes/connectors/java/changelogs/3.1/3.1.3.md) | [About MariaDB Connector/J](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md)

**Release date:** 22 Mar 2023

MariaDB Connector/J 3.1.3 is a [***Stable***](/docs/release-notes/community-server/about/release-criteria.md) ***(GA)*** release.

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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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## Bugs fixed

* [CONJ-1054](https://jira.mariadb.org/browse/CONJ-1054) Threadsafety issue when using CredentialPlugin in v3.x
* [CONJ-1056](https://jira.mariadb.org/browse/CONJ-1056) JDBC connector reads incorrect data from unix socket when reading packet size > 32K
* [CONJ-1057](https://jira.mariadb.org/browse/CONJ-1057) Wrong decoding of binary time with value "00:00:00"
* [CONJ-1058](https://jira.mariadb.org/browse/CONJ-1058) JDBC 4.3 org.mariadb.jdbc.Statement enquote\* methods implementation. thanks to @peterhalicky
* [CONJ-1060](https://jira.mariadb.org/browse/CONJ-1060) BIT default metadata doesn't take care of transformedBitIsBoolean option
* report 2.7.9 bug fixes :
  * [CONJ-1062](https://jira.mariadb.org/browse/CONJ-1062) correcting TlsSocketPlugin to use Driver classloader
  * [CONJ-1063](https://jira.mariadb.org/browse/CONJ-1063) DatabaseMetaData.getTypeInfo() returns wrong value for UNSIGNED\_ATTRIBUTE

## Changelog

For a complete list of changes made in MariaDB Connector/J 3.1.3, with links to detailed information on each push, see the [changelog](/docs/release-notes/connectors/java/changelogs/3.1/3.1.3.md).

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

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