I downloaded struts-examples-master.zip from https://github.com/apache/struts-examples. Unzip it and run mvn.
# mvn -version Apache Maven 3.5.0 (ff8f5e7444045639af65f6095c62210b5713f426; 2017-04-03T15:39:06-04:00) Maven home: /home/alkao/maven/apache-maven-3.5.0 Java version: 1.8.0_144, vendor: Oracle Corporation Java home: /home/alkao/jdk/jdk1.8.0_144/jre Default locale: en_CA, platform encoding: UTF-8 OS name: "linux", version: "4.4.0-21-generic", arch: "i386", family: "unix" $ mvn -e clean package Copy crud-1.0-SNAPSHOT.war to Apache TomEE: # cp ~/Struts2/struts-examples-master/crud/target/crud-1.0-SNAPSHOT.war $CATALINA_HOME/webapps/. In a browser accessing URL: http://localhost:8080/crud-1.0-SNAPSHOT/index.jsp which display: "Welcome To Struts 2! List People" Then clicking the 'List People' link displayed: Struts Problem Report Struts has detected an unhandled exception: Messages: /WEB-INF/jsp/persons.jsp (line: 13, column: 8) Attribute id invalid for tag url according to TLD File: org/apache/jasper/compiler/DefaultErrorHandler.java Line number: 41 Stacktraces org.apache.jasper.JasperException: /WEB-INF/jsp/persons.jsp (line: 13, column: 8) Attribute id invalid for tag url according to TLD org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:41) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:291) org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:114) org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1266) org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:879) org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1545) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450) org.apache.jasper.compiler.Node$Root.accept(Node.java:471) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392) org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1853) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:219) org.apache.jasper.compiler.Compiler.compile(Compiler.java:372) org.apache.jasper.compiler.Compiler.compile(Compiler.java:349) org.apache.jasper.compiler.Compiler.compile(Compiler.java:333) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:600) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:368) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:726) org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469) org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:394) org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311) org.apache.struts2.result.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:173) org.apache.struts2.result.StrutsResultSupport.execute(StrutsResultSupport.java:208) com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:373) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:277) com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.doIntercept(ConversionErrorInterceptor.java:139) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:134) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:134) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:69) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.java:115) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:88) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:174) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:171) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:193) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:247) org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:53) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:577) org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:81) org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:143) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:748) You are seeing this page because development mode is enabled. Development mode, or devMode, enables extra debugging behaviors and reports to assist developers. To disable this mode, set: struts.devMode=false in your WEB-INF/classes/struts.properties file.
