08-Feb-2023 13:49:00.858 SEVERE [http-nio-38137-exec-7] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/jstl_xml_xout_web] threw exception [/negativeOutSelectReqAttrTest.jsp (line: [24], column: [4]) According to the TLD or the tag file, attribute [select] is mandatory for tag [out]] with root cause org.apache.jasper.JasperException: /negativeOutSelectReqAttrTest.jsp (line: [24], column: [4]) According to the TLD or the tag file, attribute [select] is mandatory for tag [out] at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:41) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:292) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:115) at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:883) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1559) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2386) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2438) at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:919) at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1559) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2386) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2438) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2444) at org.apache.jasper.compiler.Node$Root.accept(Node.java:472) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2386) at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1869) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:224) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:391) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:367) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:351) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:399) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:792) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) at io.smallrye.metrics.jaxrs.JaxRsMetricsServletFilter.doFilter(JaxRsMetricsServletFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) at org.apache.openejb.cts.TransactionalWorkaroundLeakGuardValve.invoke(TransactionalWorkaroundLeakGuardValve.java:39) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:356) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:870) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1762) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:834)