FieldValidationException thrown when invalid input specified for SearchRequestViews

009-05-26 04:14:15,456 http-j2ee.jira.atlassian.com%2F127.0.0.101-8080-Processor41 ERROR [500ErrorPage.jsp] Exception caught in 500 page Invalid date format. Please enter the d
ate in the format "d/MMM/yy".
com.atlassian.jira.issue.customfields.impl.FieldValidationException: Invalid date format. Please enter the date in the format "d/MMM/yy".
        at com.atlassian.jira.issue.customfields.converters.DatePickerConverter.getTimestamp(DatePickerConverter.java:52)
        at com.atlassian.jira.issue.search.searchers.impl.GenericDateSearcher.populateSearchRequest(GenericDateSearcher.java:180)
        at com.atlassian.jira.issue.search.DefaultSearchRequestFactory.create(DefaultSearchRequestFactory.java:59)
        at com.atlassian.jira.issue.search.DefaultSearchRequestFactory.getSearchRequestWithSearchSorts(DefaultSearchRequestFactory.java:90)
        at com.atlassian.jira.plugin.searchrequestview.SearchRequestURLHandler.handleRequest(SearchRequestURLHandler.java:172)
        at com.atlassian.jira.web.servlet.SearchRequestViewServlet.doGet(SearchRequestViewServlet.java:27)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)