HTTP Status 500 - /rss.jspx (line: 33, column: 81) According to the TLD or the tag file, attribute author is mandatory for tag threadsSorted

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.


Apache Tomcat/8.0.32 (Ubuntu)