org.apache.jasper.JasperException: Unable to compile class for JSP

org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: 23 in the generated java file
The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory

Stacktrace:
	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
	org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:439)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	com.cienet.framework.popedom.web.filter.RequestFilter.doFilter(RequestFilter.java:46)

原因：

应用中添加的servlet-jsp.jar包(一般为myclipse添加）与tomcat的servlet-jsp.jar包冲突。这个包中主要为jsp引擎相关class。

解决：

将应用中servlet-jsp.jar删除