Confluence 5.1-rc2 Upgrade Notes

Confluence 5.1-rc2 Release Notes

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Below are some important notes on upgrading to Confluence 5.1-rc2. For details of the new features and improvements in this release, please read the Confluence 5.1rc-2 Release Notes.

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Upgrade notes

MySQL driver no longer bundled with Confluence

The MySQL driver is no longer included in the Confluence installation. In prior versions of Confluence, we shipped the MySQL driver under a commercial license from MySQL Americas, Inc. Oracle Corporation has acquired MySQL Americas, Inc. as part of Oracle's acquisition of Sun Microsystems. Oracle no longer offers a commercial license for the MySQL driver on a standalone basis as part of a partner program.

Please note the following if you use Confluence with MySQL:

  • Upgrade. If you are upgrading Confluence:
    • If you are not using the recommended MySQL driver (JDBC Connector/J 5.1), you must back up the driver from your existing Confluence installation before the upgrade. After the upgrade, you will need to copy the driver into the lib folder of your Confluence installation, as described in Database Setup For MySQL. If you try to upgrade Confluence without doing this, Confluence will fail to start after the upgrade. You will see MySQL driver-related errors in the logs.
    • If you are using the recommended MySQL driver (JDBC Connector/J 5.1), the driver will be automatically copied over during the upgrade process.

Upgrade procedure

Note: Upgrade to a test environment first. Test your upgrades in your test environment before rolling them into production.

If you are already running a version of Confluence, please follow these instructions to upgrade to the latest version:

  1. Before you upgrade, we strongly recommend that you back up your Confluence Home and other important directories and database. See the documentation on backing up your Confluence site. If you are using an external database, perform a database backup.
  2. If your version of Confluence is earlier than 5.0, read the release notes and upgrade guides for all releases between your version and the latest version.
  3. Download the latest version of Confluence.
  4. Follow the instructions in the Upgrade Guide.

Checking for known issues and troubleshooting the Confluence upgrade

After you have completed the steps required to upgrade your Confluence installation, check all the items on the Confluence post-upgrade checklist to ensure that everything works as expected. If something is not working correctly, please check for known Confluence issues and try troubleshooting your upgrade as described below:

  • Check for known issues. Sometimes we find out about a problem with the latest version of Confluence after we have released the software. In such cases we publish information about the known issues in the Confluence Knowledge Base.
  • Check for answers from the community. Other users may have encountered the same issue. You can check for answers from the community at Atlassian Community.
  • Did you encounter a problem during the Confluence upgrade? Please refer to the guide to troubleshooting upgrades in the Confluence Knowledge Base.

  • If you encounter a problem during the upgrade and cannot solve it, please create a support ticket and one of our support engineers will help you.
Last modified on Mar 18, 2013

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