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嚴(yán)重: Servlet.service() for servlet [jsp] in context with path [/zero] threw exception [Unable to compile class for JSP] with root cause
java.lang.NullPointerException
?? ?at org.apache.jasper.compiler.TldCache.getLastModified(TldCache.java:129)
?? ?at org.apache.jasper.compiler.TldCache.getTaglibXml(TldCache.java:96)
?? ?at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:177)
?? ?at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:416)
?? ?at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:474)
?? ?at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1430)
?? ?at org.apache.jasper.compiler.Parser.parse(Parser.java:139)
?? ?at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:227)
?? ?at org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
?? ?at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
?? ?at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
?? ?at org.apache.jasper.compiler.Compiler.compile(Compiler.java:336)
?? ?at org.apache.jasper.compiler.Compiler.compile(Compiler.java:323)
?? ?at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585)
?? ?at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363)
?? ?at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
?? ?at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
?? ?at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
?? ?at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
?? ?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
?? ?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
?? ?at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:217)
?? ?at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
?? ?at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
?? ?at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
?? ?at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
?? ?at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
?? ?at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
?? ?at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
?? ?at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
?? ?at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
?? ?at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
?? ?at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
?? ?at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
?? ?at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
?? ?at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
?? ?at java.lang.Thread.run(Unknown Source)