Below are some important notes on upgrading to Confluence 3.3. For details of the new features and improvements in this release, please read the Confluence 3.3 release notes.

On this page:

Upgrade Notes

End of Support for WebSphere, WebLogic, Resin, Internet Explorer 6 and Java Platform 5 (JDK/JRE 1.5)

As previously announced, we are no longer providing support for:

Please see End of Support Announcements for Confluence for further details.

DWR Deprecation Notice

We have replaced DWR with XWork actions (returning JSON, implementing the Beanable interface). The DWR servlet still works, however the client-side JavaScript files are not embedded into pages anymore. Support for the client side Javascript proxies has been moved into the Confluence Legacy Web Resources plugin. This plugin is disabled by default.

If you need any of the following web resources you will need to enable the Confluence Legacy Web Resources plugin:

You will also need to make the following resource a required resource in your view template: legacy.confluence.web.resources:dwr-confluence
This will embed the DWR client-side JavaScript files in your plugin's view output.

Upgrade Procedure

As always, please test your upgrades in your test environment before rolling 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 directory 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 3.2.x, then please read the Upgrade Notes Overview and the Upgrade Notes for each version of Confluence listed on that page. (There are hyperlinks to each one.) Also:
  3. Download the latest version of Confluence.
  4. Follow the instructions in the upgrade guide.

Checking for Other Known Issues and Troubleshooting the Confluence Upgrade

Useful Plugins

RELATED TOPICS

Confluence 3.3 Release Notes