type Exception report
message /rss.jspx (line: 33, column: 81) According to the TLD or the tag file, attribute author is mandatory for tag threadsSorted
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: /rss.jspx (line: 33, column: 81) According to the TLD or the tag file, attribute author is mandatory for tag threadsSorted org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:275) org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:107) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:862) org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1536) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:781) org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1248) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:781) org.apache.jasper.compiler.Node$UninterpretedTag.accept(Node.java:1248) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:530) org.apache.jasper.compiler.Node$JspRoot.accept(Node.java:546) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2434) org.apache.jasper.compiler.Node$Root.accept(Node.java:464) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376) org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1853) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217) org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) org.apache.jasper.compiler.Compiler.compile(Compiler.java:336) org.apache.jasper.compiler.Compiler.compile(Compiler.java:323) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:401) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:345) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.32 (Ubuntu) logs.