org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 22 in the generated java fileThe method getJspApplicationContext(ServletContext) is undefined for the type JspFactoryStacktrace:	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:334)	org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)	org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586)	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:461)	org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:97)	org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

有可能是jar冲突，把工程的lib下面的jsp-api-xx.jar,servlet-api-xx.jar删掉