NPE with GlobalRSSFeed

java.lang.NullPointerException
        at com.atlassian.confluence.dashboard.actions.AbstractDashboardAction.execute(AbstractDashboardAction.java:103)
        at com.atlassian.confluence.dashboard.actions.GlobalRssFeedAction.execute(GlobalRssFeedAction.java:91)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:173)
        at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:170)

(reported by Andrey Simanovsky from JetBrains)