Cannot disable Usage Statistics Plugin Via the User Interface after Upgrading
After upgrading Confluence, the following appears in the
2010-08-16 22:46:24,071 ERROR [main] [atlassian.plugin.manager.DefaultPluginManager] enableConfiguredPluginModule There was an error loading the descriptor 'Check Confluence is not Clustered' of plugin 'com.atlassian.confluence.ext.usage'. Disabling. com.atlassian.spring.container.ComponentNotFoundException: Failed to find component: Error creating bean with name 'unclusteredOnly' defined in class path resource [x]: Invocation of init method failed; nested exception is java.lang.RuntimeException: This plugin cannot be used in a cluster. at com.atlassian.spring.container.SpringContainerContext.getComponent(SpringContainerContext.java:79)
and there is no UI option to disable the plugin via the UI.
This plugin is not Data Center compatible, so it is automatically disabled on startup.
To clear the error from the logs, delete the plugin from the database as in the following document: