HTTP Status 500 – Internal Server Error


Type Exception Report

Message Element is only supported in HTML5, but current doctype is STRICT: <header>

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

com.aoapps.lang.LocalizedUnsupportedOperationException: Element is only supported in HTML5, but current doctype is STRICT: <header>
	com.aoapps.html.any.Elements.onlySupportedInHtml5(Elements.java:54)
	com.aoapps.html.any.AnyHEADER.<init>(AnyHEADER.java:59)
	com.aoapps.html.servlet.HEADER.<init>(HEADER.java:48)
	com.aoapps.html.servlet.PalpableContent.header(PalpableContent.java:277)
	com.aoapps.html.servlet.PalpableContent.header__(PalpableContent.java:295)
	com.danshome.website.HomePageLayout.startPage(HomePageLayout.java:183)
	com.aoapps.web.framework.WebPageLayout.doPage(WebPageLayout.java:207)
	com.aoapps.web.framework.WebPage.doGet(WebPage.java:640)
	com.aoapps.web.framework.WebPage.doGet(WebPage.java:606)
	com.aoapps.web.framework.WebPage.doGet(WebPage.java:581)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	com.aoapps.web.framework.WebPage.service(WebPage.java:506)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	com.aoapps.web.resources.servlet.PageServlet.service(PageServlet.java:54)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	com.aoapps.servlet.filter.FunctionContext.doFilter(FunctionContext.java:120)
	com.aoapps.servlet.filter.HideJspExtensionFilter.doFilter(HideJspExtensionFilter.java:362)
	com.aoapps.servlet.lastmodified.LastModifiedHeaderFilter.doFilter(LastModifiedHeaderFilter.java:124)
	com.semanticcms.core.servlet.CacheFilter.doFilter(CacheFilter.java:193)
	com.aoapps.servlet.filter.EncodeURIFilter.doFilter(EncodeURIFilter.java:155)
	com.aoapps.servlet.filter.StripInvalidXmlCharactersFilter.doFilter(StripInvalidXmlCharactersFilter.java:236)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.83