> 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/2.2/2.2.1.md).

# Connector/J 2.2.1 Release Notes

Release notes for MariaDB Connector/J 2.2.1, a Stable (GA) release published 22 December 2017.

{% hint style="info" %}

<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>
{% endhint %}

[Download](https://downloads.mariadb.org/connector-java/2.2.1/) | **Release Notes** | [Changelog](/docs/release-notes/connectors/java/changelogs/2.2/2.2.1.md) | [About MariaDB Connector/J](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md)

**Release date:** 22 Dec 2017

MariaDB Connector/J 2.2.1 is a [***Stable***](/docs/release-notes/community-server/about/release-criteria.md) ***(GA)*** release.

{% hint style="info" %}
**For an overview of MariaDB Connector/J see the** [**About MariaDB Connector/J**](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md) **page**
{% endhint %}

* \[[CONJ-501](https://jira.mariadb.org/browse/CONJ-501)] provide support for authentication plugin ed25519

## Bug Fixes

* \[[CONJ-529](https://jira.mariadb.org/browse/CONJ-529)] on failover, the driver will pause for 250ms if no servers are available before attempting to loop reconnection
* \[[CONJ-548](https://jira.mariadb.org/browse/CONJ-548)] COM\_STMT\_BULK\_EXECUTE not used for INSERT ... SELECT statements
* \[[CONJ-549](https://jira.mariadb.org/browse/CONJ-549)] correction on connection reset when using MariaDbPoolDataSource with options useServerPrepStmts and useResetConnection enabled
* \[[CONJ-555](https://jira.mariadb.org/browse/CONJ-555)] failover caused by client timeout must not reuse connection
* \[[CONJ-558](https://jira.mariadb.org/browse/CONJ-558)] removing extra ".0" to resultset.getString() value for FLOAT/DOUBLE fields
* \[[CONJ-550](https://jira.mariadb.org/browse/CONJ-550)] fetching state correction when reusing statement without having read all results
* \[[CONJ-553](https://jira.mariadb.org/browse/CONJ-553)] RejectedExecutionException was thrown when having large amount of concurrent batches

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

{% @marketo/form formid="4316" formId="4316" %}