> 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/1.6/1.6.3.md).

# Connector/J 1.6.3 Release Notes

Release notes for MariaDB Connector/J 1.6.3, a Stable (GA) release published 31 July 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/1.6.3/) | **Release Notes** | [Changelog](/docs/release-notes/connectors/java/changelogs/1.6/1.6.3.md) | [About MariaDB Connector/J](/docs/connectors/mariadb-connector-j/about-mariadb-connector-j.md)

**Release date:** 31 Jul 2017

MariaDB Connector/J 1.6.3 is a [***Stable***](/docs/release-notes/community-server/about/release-criteria.md) ***(GA)*** release compatible with java 6, 7, 8.

{% 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 %}

### Bug

* \[[CONJ-502](https://jira.mariadb.org/browse/CONJ-502)] isolation leak when using multiple pools on same VM on failover
* \[[CONJ-503](https://jira.mariadb.org/browse/CONJ-503)] regression on aurora Connection Connection.isReadOnly()
* \[[CONJ-505](https://jira.mariadb.org/browse/CONJ-505)] correcting issue that ended throwing "Unknown prepared statement handler given to mysqld\_stmt\_execute"
* \[[CONJ-496](https://jira.mariadb.org/browse/CONJ-496)] return rounded numeric when querying on a decimal field in place of throwing an exception for compatibility

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

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