1、错误描写叙述
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, 当中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版本号都能够,在2.4就不行了
3、解决的方法
将下面一句：
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
改成
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core_rt" %>
就能够了