org.apache.struts.taglib.logic.IterateTei cannot be cast to javax.servlet.jsp.ta

(^o^)/~完美

　　org.apache.struts.taglib.logic.IterateTei cannot be cast to javax.servlet.jsp.tagext.TagExtraInfo 解决
　　java.lang.ClassCastException: org.apache.struts.taglib.logic.IterateTei cannot be cast to javax.servlet.jsp.tagext.TagExtraInfo

at org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoImpl.java:417)

at org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:250)

at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:163)

at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:420)

at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:476)

at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1426)

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:167)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)

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:320)

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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)

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

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)

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

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)

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

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)

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

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)

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

at java.lang.Thread.run(Thread.java:619)
　　异常解决：

删掉工程WEB-INF/lib/下的jsp-api.jar和servlet-api.jar两个文件，重启服务OK！