# Connector/J 2.2.3 Release Notes

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<p align="center">The most recent release of <a href="https://app.gitbook.com/s/CjGYMsT2MVP4nd3IyW2L/mariadb-connector-j">MariaDB Connector/J</a> is:</p>

<h4 align="center"><a href="../3.5/3.5.6" class="button secondary">Connector/J 3.5.6</a> <a href="https://mariadb.com/downloads/connectors/connectors-data-access/java8-connector" class="button primary">Download Now</a></h4>
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[Download](https://downloads.mariadb.org/connector-java/2.2.3/) | **Release Notes** | [Changelog](https://gitbook-v2-q3lwp8faq-gitbook.vercel.app/url/mariadb.com/docs/release-notes/connectors/java/changelogs/2.2/2.2.3) | [About MariaDB Connector/J](https://app.gitbook.com/s/CjGYMsT2MVP4nd3IyW2L/mariadb-connector-j/about-mariadb-connector-j)

**Release date:** 14 Mar 2018

MariaDB Connector/J 2.2.3 is a [***Stable***](https://gitbook-v2-q3lwp8faq-gitbook.vercel.app/url/mariadb.com/docs/release-notes/community-server/about/release-criteria) ***(GA)*** release.

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**For an overview of MariaDB Connector/J see the** [**About MariaDB Connector/J**](https://app.gitbook.com/s/CjGYMsT2MVP4nd3IyW2L/mariadb-connector-j/about-mariadb-connector-j) **page**
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## Bug Fixes

* \[[CONJ-583](https://jira.mariadb.org/browse/CONJ-583)] possible hang indefinitely using master/slave configuration and failover occurs
* \[[CONJ-586](https://jira.mariadb.org/browse/CONJ-586)] erroneous transaction state when first command result as an error
* \[[CONJ-587](https://jira.mariadb.org/browse/CONJ-587)] using allowMasterDownConnection option can lead to NPE when using setReadOnly()
* \[[CONJ-588](https://jira.mariadb.org/browse/CONJ-588)] using option 'allowMasterDownConnection' won't permit to connect if all master are down
* \[[CONJ-534](https://jira.mariadb.org/browse/CONJ-534)] Connection.isValid() must be routed to Master and Slave connections to avoid any server timeout

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