HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [agent/index.jsp] at line [201]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing [agent/index.jsp] at line [201]

198: 	Map bb = (Map) application.getAttribute("catalogMap4");
199: 	//品牌
200: 	Map cc = (Map) application.getAttribute("brandLetterList2021");
201:     brandList=(List)(cc.get(catalog));
202: 	if(brandList==null){ brandList=(List)(cc.get("000"));}
203: 	//顶级类别
204: 	List<Map> topCatalogList=(List<Map>)application.getAttribute("topCatalogList");


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	com.jerehnet.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:36)

Root Cause

java.lang.NullPointerException
	org.apache.jsp.agent.index_jsp._jspService(index_jsp.java:344)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	com.jerehnet.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:36)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.62