fecru-review-issue-transition-plugin fails under fisheye 2.7.9 due to incompatible class change error

2012-01-18 18:24:29,717 ERROR [btpool0-121] org.mortbay.log org.mortbay.log.Slf4jLog-warn - Error for /crucible/plugins/servlet/reviewIssueTransitionsServlet
java.lang.IncompatibleClassChangeError: Found interface com.atlassian.fisheye.jira.JiraServerFactory, but class was expected
	at com.atlassian.fecru.plugin.reviewissuetransition.web.ReviewIssueTransitionsServlet.getJiraServer(ReviewIssueTransitionsServlet.java:309)
	at com.atlassian.fecru.plugin.reviewissuetransition.web.ReviewIssueTransitionsServlet.doGet(ReviewIssueTransitionsServlet.java:82)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at com.atlassian.plugin.servlet.DelegatingPluginServlet.service(DelegatingPluginServlet.java:42)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at com.atlassian.fisheye.plugin.servlet.FisheyeServletModuleContainerServlet.service(FisheyeServletModuleContainerServlet.java:61)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)