在使用jstl时#xff0c;这个异常咋回事#xff1f;According

testValue_application);% % request.setAttribute(test_all， attribute value does not accept any expressions org.apache.jasper.compiler.DefaultErrorHandler.jspError (DefaultErrorHandler.java:83) org.apache.jasper.compiler.ErrorDispatcher.dispatch (ErrorDispatcher.java:402) org.apache.jasper.compiler.ErrorDispatcher.jspError (ErrorDispatcher.java:186) org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes (Validator.java:984) org.apache.jasper.compiler.Validator$ValidateVisitor.visit (Validator.java:739) org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1458) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2176) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2226) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2232) org.apache.jasper.compiler.Node$Root.accept(Node.java:485) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2176) org.apache.jasper.compiler.Validator.validate(Validator.java:1515) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:253) org.apache.jasper.compiler.Compiler.compile(Compiler.java:459) org.apache.jasper.compiler.Compiler.compile(Compiler.java:442) org.apache.jasper.JspCompilationContext.compile (JspCompilationContext.java:552) org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:291) org.apache.jasper.servlet.JspServlet.serviceJspFile (JspServlet.java:301) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) note The full stack trace of the root cause is available in the Tomcat logs. ----------------------------------------------------------------------------- --- Apache Tomcat/5.0.14 代码是这样写的 % taglib prefixc uri % % page contentTypetext/html; charsetgb2312 languagejava % %page isELIgnoredfalse% html head titleJSTL: c:out的使用/title /head body bgcolor#FFFFFF hr % session.setAttribute(test_session，testValue_application);% hr输出一个字符串 c:out valuetest/ hr带有body的c:out标签但是body不输到客户端， 我在用tomcat5.0jstl中使用标准标签库时本来可以正常运行但不知怎的却报出了 这样的异常 HTTP Status 500 - ----------------------------------------------------------------------------- --- type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: /c_out.jsp(33，session，testValue_session);% % request.setAttribute(test_request，testValue_session);% % application.setAttribute(test_all，application c:out value${test_all}/ hr输出一个默认值 c:out value${notex} default这个值不存在/ /body /html 并且我也已正确将jstl.jar拷贝到了WEB-INF\lib中。

attribute value does not accept any expressions 如何解决呀我从装了tomcat5.0也不行 ， 这个异常According to TLD or attribute directive in tag file， % for(int i0;i5;i) { % c:out valuetest2 % out.println(i); i; % /c:out % }% hr c:out value210 escapeXmltrue /c:out hr获得session中的属性 c:out value${test_session}/ hr获得request中的属性 c:out value${test_request}/ hr获得application中的属性 c:out value${test_application}/ hr测试表达式语言优先获得哪个属性request，testValue_request);% % application.setAttribute(test_application，0) According to TLD or attribute directive in tag file，testValue_request);% % session.setAttribute(test_all，。