Included servlet error: 500

Location: /search/d1

Internal Servlet Error:
java.lang.IllegalStateException: Response has already been committed
	at org.apache.tomcat.core.HttpServletResponseFacade.sendError(HttpServletResponseFacade.java:157)
	at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:178)
	at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
	at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:369)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
	at org.apache.tomcat.core.RequestDispatcherImpl.include(RequestDispatcherImpl.java:262)
	at bagent.web.Design.include(Design.java:173)
	at bagent.web.SearchServlet.processRequest(SearchServlet.java:172)
	at bagent.web.SearchServlet.doGet(SearchServlet.java:59)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
	at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
	at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:160)
	at org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338)
	at java.lang.Thread.run(Thread.java:745)