Documentation for Crowd 1.5. Documentation for other versions of Crowd is available too.

Under development

As from Crowd 1.5, Crowd ships with the Atlassian Plugin Framework 2. The Plugin Framework is experimental at this stage. We are using it, and you can too. We would be delighted to have your feedback, via the Plugin Framework issue tracker. This documentation is a work in progress too. There is useful information here now, and we will add more soon.

Crowd now ships with the Atlassian Plugin Framework 2.0. This gives developers lots of flexibility in extending Crowd and as more Atlassian applications migrate to version 2.0 you should see more similarities with configuration and development.

Plugin Framework Overview

For an overview of the plugin framework and plugin development, please refer to

The Plugin Framework in Crowd

Currently Crowd has the following plugin points. A few of these are specific to Crowd, while others are more general across all Atlassian products.

  1. Password Encoders
  2. Web menu items and sections
  3. Event listeners
  4. Servlets
  5. XWork actions
  6. Crowd Applications

Component plugin module not available in Crowd 1.5

Due to a bug in the plugin framework, the Component plugin module type does not work in Crowd 1.5. You will see this error on starting Crowd: PluginParseException: Cannot find ModuleDescriptor class for plugin of type 'component'. The Component module does work in Crowd 1.6 and later. For more information about the problem, please refer to the relevant forum discussion

The Crowd Google Apps connector is implemented as a plugin. Crowd customers get source-code access to both the plugin and Crowd itself, and can use the source in conjunction with the documentation to understand best practices for plugin development.

Adding your Plugin to your Crowd Instance

Once you have created your plugin, you should put the jar into the plugins directory, a sub-directory of your Crowd Home directory. See Important Directories and Files.

If you'd like to release your plugin to the world, please take a look at the guidelines in our Developer Network​.

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