严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /webpage/login/login3.jsp(3,0) /context/mytags.jsp(3,61) Unable to read TLD "META-INF/c.tld" from JAR file "file:/D:/develop/tomcat6/apache-tomcat-6.0.45/webapps/stmanager2/WEB-INF/lib/jstl-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:300)
at org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:333)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:442)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1400)
at org.apache.jasper.compiler.Parser.parse(Parser.java:130)
at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:255)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:185)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
百度说是jar包冲突，需要去掉servlet-api.jar和jsp-api.jar，可是不要这两个jar又会报错，这是个java项目