求助：HTTP Status 500 -

严重: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsf/html cannot be resolved in either web.xml or the jar files deployed with this application
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:116)
    at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:317)
    at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:148)
    at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:430)
    at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:499)
    at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1558)
    at org.apache.jasper.compiler.Parser.parse(Parser.java:130)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:245)
    at org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:176)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:317)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:565)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:309)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
    at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
    at java.lang.Thread.run(Thread.java:619)

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搞不好 是你的web服务器有问题
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