Here is the stacktrace from tomcat logs:

Jul 12, 2016 12:42:26 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet dispatcher threw exception
javax.el.ELException: Cannot convert m of type class java.lang.String to class java.lang.Long
    at org.apache.el.lang.ELSupport.coerceToNumber(ELSupport.java:296)
    at org.apache.el.lang.ELSupport.coerceToNumber(ELSupport.java:275)
    at org.apache.el.lang.ELSupport.equals(ELSupport.java:120)
    at org.apache.el.parser.AstEqual.getValue(AstEqual.java:39)
    at org.apache.el.parser.AstChoice.getValue(AstChoice.java:43)
    at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
    at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:938)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp._jspx_meth_form_005fform_005f0(edit_002dschedule_jsp.java:933)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp.access$18(edit_002dschedule_jsp.java:809)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp$Helper.invoke0(edit_002dschedule_jsp.java:2186)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp$Helper.invoke(edit_002dschedule_jsp.java:2219)
    at org.apache.jsp.tag.web.frame_tag.doTag(frame_tag.java:270)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp._jspx_meth_tags_005fframe_005f0(edit_002dschedule_jsp.java:162)
    at org.apache.jsp.WEB_002dINF.jsp.schedule.edit_002dschedule_jsp._jspService(edit_002dschedule_jsp.java:136)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
    at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:264)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1201)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:986)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:745)

Similar rendering issue happens in following scenario as well:

-- Admin > Scheduler > Click on a Scheduled Job with recurrence