Type Exception Report
Message A filter or servlet of the current chain does not support asynchronous operations.
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
java.lang.IllegalStateException: A filter or servlet of the current chain does not support asynchronous operations. org.apache.catalina.connector.Request.startAsync(Request.java:1668) org.apache.catalina.connector.Request.startAsync(Request.java:1661) org.apache.catalina.connector.RequestFacade.startAsync(RequestFacade.java:1031) nonblocking.NumberWriter.doGet(NumberWriter.java:50) javax.servlet.http.HttpServlet.service(HttpServlet.java:635) javax.servlet.http.HttpServlet.service(HttpServlet.java:742) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:438) org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:169) org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
Note The full stack trace of the root cause is available in the server logs.