Converting plugins from v1 to v2

If you are moving to JIRA 4.x from JIRA 3.13.x or earlier versions, one of the important differences is the introduction of v2 plugins. While designing the upgrade to JIRA 4.x, it makes perfect sense to sometimes migrate the plugins from v1 to v2, although it is not a mandatory step. In this recipe, we will see how to convert a version1 plugin to a version2 plugin.

Getting ready

There are a couple of questions we need to ask before the plugin is converted:

• Are all the packages used by the plugin available to OSGi plugins ? This is very important because JIRA doesn't expose all the packages to OSGi plugins.

  The list of packages exported and made available to the plugins2 version can be found in the com.atlassian.jira.plugin.DefaultPackageScannerConfiguration class.

• Are all the components used by the plugin available to OSGi plugins? Similar to the previous question, we need to make sure the components are also exposed to the OSGi plugins.

  Unfortunately, there is...