Unable to read TLD “META-INF/c.tld” from JAR file的错误。。。。

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今天重新open project，以前是用jdk1.5、tomcat5开发、部署的， 

本次使用jdk1.6、tomcat6部署，结果总是报错，启动时正常， 

在通过浏览器访问项目时，出错， 

错误信息如下; 

2008-9-22 10:29:23 org.apache.catalina.core.StandardWrapperValve invoke

严重: Servlet.service() for servlet jsp threw exception

org.apache.jasper.JasperException: /index.jsp(2,0) Unable to read TLD "META-INF/c.tld" from JAR file "file:/D:/svnframe/web/WEB-INF/lib/standard-1.1.2.jar": org.apache.jasper.JasperException: Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV

         at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)

         at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)

         at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)

         at org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:334)

         at org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:367)

         at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)

         at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1433)

         at org.apache.jasper.compiler.Parser.parse(Parser.java:133)

         at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:216)

         at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)

         at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:153)

         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)

         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)

         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)

         at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)

         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)

         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)

         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

         at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

         at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)

         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)

         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)

         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)

         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)

         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)

         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

         at java.lang.Thread.run(Thread.java:619)

…

　　解决路径; 

在project-name/WEB-INF/lib下jsp-api.jar，就算是在eclipse中Build Path下接触此文件，引入tomcat6中的JSP-API.JAR . SERVLET-API.JAR， 

也是不可以的，最后删除project下的此jar，问题解决。