java.lang.AbstractMethodError: javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/

严重:Servlet.service()forservlet[jsp]incontextwithpath[]threwexception[java.lang.AbstractMethodError:javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;]withrootcause
java.lang.AbstractMethodError:javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;
atorg.apache.jasper.compiler.Validator$ValidateVisitor.<init>(Validator.java:515)
atorg.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1841)
atorg.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217)
atorg.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
atorg.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
atorg.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
atorg.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
atorg.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
atorg.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
atorg.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
atjavax.servlet.http.HttpServlet.service(HttpServlet.java:727)
atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
atorg.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
atorg.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
atorg.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
atorg.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
atorg.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
atjava.util.concurrent.ThreadPoolExecutor.runWorker(UnknownSource)
atjava.util.concurrent.ThreadPoolExecutor$Worker.run(UnknownSource)
atorg.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
atjava.lang.Thread.run(UnknownSource)

产生该错误的根本原因是Tomcat7中自带了JAR包“jasper.jar”，而Tomcat6没有带，需要单独引入“

jasper-compiler.jar     jasper-runtime.jar 

”两个JAR包，所以之前Tomcat6的项目到Tomcat7下发布的时候就出来了这种问题。