NPE on viewing saved filters if the user is not logged in

If the user is not logged in (or session timed out) and clicks on 'filters' link on the upper right hand corner (or view '/secure/popups/savedfilters.jsp'), it throws a Null pointer Exception.

NPE due to line 152 of SearchRequestManagerImpl

java.lang.NullPointerException
at com.atlassian.jira.issue.search.SearchRequestManagerImpl.getRequests(SearchRequestManagerImpl.java:152)