我在学习struts过程中，启动tomcat5,基本正常，打开普通的jsp也正常，但打开与struts相关的jsp报错如下：
javax.servlet.ServletException: javax.servlet.jsp.PageContext.handlePageException(Ljava/lang/Throwable;)V
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:256)
javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
root cause
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.handlePageException(Ljava/lang/Throwable;)V
org.apache.jsp.manager_005findex_jsp._jspService(manager_005findex_jsp.java:84)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:868)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServle