呼叫亲爱的表情包:javax.servlet.ServletException是怎么回事呢？？

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: ????
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
org.apache.jsp.left_jsp._jspService(left_jsp.java:110)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
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(HttpServlet.java:856)
com.idssin.commons.servlets.AppFilter.doFilter(AppFilter.java:26)
com.idssin.commons.ChangeReqEncoding.doFilter(ChangeReqEncoding.java:30)

root cause

com.idssin.commons.control.ApplicationException: ????
com.idssin.system.control.LeftMenu.getMenus(LeftMenu.java:37)
org.apache.jsp.left_jsp._jspService(left_jsp.java:55)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
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(HttpServlet.java:856)
com.idssin.commons.servlets.AppFilter.doFilter(AppFilter.java:26)
com.idssin.commons.ChangeReqEncoding.doFilter(ChangeReqEncoding.java:30)

note The full stack trace of the root cause is available in the Tomcat logs.