Disable Hipchat plugin cause application become unresponsive.

Steps to reproduce:

1. Open a Space admin page then open the integration tab.
2. Open a new tab on the browser and open the manage add-on page.
3. Disable the plugin "Confluence HipChat Plugin"
4. Refresh the Space Admin page, the hipchat integration tab still here.
5. Disable the plugin "Confluence Hipchat Integration Plugin
6. Refresh the Space Admin page, the hipchat integration tab still here but with a blank page.
7. Disable the plugin "Atlassian Hipchat Integration Plugin Core"
8. Refresh the Space Admin page.

Expected behaviour:

The hipchat tab should be disappear.

Actually behaviour:

The browser is kept loading infinitively, with the error :

27-Oct-2015 14:36:52.448 WARNING [http-nio-8581-exec-7] com.sun.jersey.spi.inject.Errors.processErrorMessages The following warnings have been detected with resource and/or provider classes:
  WARNING: A sub-resource method, public javax.ws.rs.core.Response com.atlassian.plugins.hipchat.rest.HipChatRoomsResource.createRoom(java.lang.String), with URI template, "/", is treated as a resource method
  WARNING: A sub-resource method, public javax.ws.rs.core.Response com.atlassian.plugins.hipchat.rest.HipChatRoomsResource.getAllRooms(), with URI template, "/", is treated as a resource method

Workaround solution:

1. Disable the plugin "Confluence Hipchat Integration Plugin" and flush the browser cache.
2. Shutdown Confluence and clear the plugin cache.