According to TLD or attribute directive in tag file, attribute value does not accept any expressions。
1、错误描述
- 2014-7-13 17:27:21 org.apache.jasper.compiler.TldLocationsCache tldScanJar
- 信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
- 2014-7-13 17:27:21 org.apache.catalina.core.StandardWrapperValve invoke
- 严重: Servlet.service() for servlet [jsp] in context with path [/FirstSSH] threw exception [/pages/pathTags.jsp (line: 11, column: 0) According to TLD or attribute directive in tag file, attribute value does not accept any expressions] with root cause
- org.apache.jasper.JasperException: /pages/pathTags.jsp (line: 11, column: 0) According to TLD or attribute directive in tag file, attribute value does not accept any expressions
- at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
- at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
- at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:149)
- at org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1241)
- at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:876)
- at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1538)
- at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
- at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
- at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2433)
- at org.apache.jasper.compiler.Node$Root.accept(Node.java:474)
- at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
- at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
- at org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:536)
- at org.apache.jasper.compiler.Node$IncludeDirective.accept(Node.java:638)
- at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
- at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
- at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2433)
- at org.apache.jasper.compiler.Node$Root.accept(Node.java:474)
- at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
- at org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1825)
- at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217)
- at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
- at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
- at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
- at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
- at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
- at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
- at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
- at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
- at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
- at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
- at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
- at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
- at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
- at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
- at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
- at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
- at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
- at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
- at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
- at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2441)
- at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2430)
- at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
- at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
- at java.lang.Thread.run(Thread.java:619)
2、错误原因
JSTL core库的有两种taglib伪指令, 其中RT库即是依赖于JSP传统的请求时属性值, 而不是依赖于EL来实现(称为EL库.JSP2.0将支持EL)
JSP中使用<%@ taglib uri=http://java.sun.com/jstl/core prefix=”c”%>在2.3版本都可以,在2.4就不行了
3、解决办法
将以下一句：
<%@ taglib prefix=”c” uri=”http://java.sun.com/jstl/core” %>
改成
<%@ taglib prefix=”c” uri=”http://java.sun.com/jstl/core_rt” %>
就可以了