announcement-mail broken when using the announcementFile parameter

[INFO] [changes:announcement-generate {execution: default-cli}]
Apr 30, 2012 4:40:24 PM org.apache.commons.httpclient.HttpMethodBase getResponseBody
WARNING: Going to buffer response body of large or unknown size. Using getResponseBodyAsStream instead is recommended.
[ERROR] maven-changes-plugin: None of the configured sortColumnNames 'null' are correct.
[INFO] Downloading from JIRA at: http://jira.codehaus.org/secure/IssueNavigator.jspa?view=rss&pid=11212&statusIds=6&resolutionIds=1&tempMax=1000&reset=true&decorator=none
[INFO] The JIRA version is '4.4.3'
[INFO] Including issues from JIRA in announcement...
[debug] Found 10 releases.
[ERROR] ResourceManager : unable to find resource 'org/apache/maven/plugins/announcement.vm' in any resource loader.
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Resource not found.

Embedded error: Template not found. ( org/apache/maven/plugins/announcement.vm )
[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9 seconds
[INFO] Finished at: Mon Apr 30 16:40:29 EDT 2012
[INFO] Final Memory: 23M/81M