java.lang.ClassNotFoundException: org.apache.jsp.index_jsp at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:62) at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:129) at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:171) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375) 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 com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
工程中 servlet-api jar冲突,引入了两个。2.5,2.3两个版本,去掉一个问题解决。