Type Exception Report

Message An exception occurred processing [guosi/include/pro_detail_comment.jsp] at line [52]

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

Exception

org.apache.jasper.JasperException: An exception occurred processing [guosi/include/pro_detail_comment.jsp] at line [52]

49: 				String url = "http://koubei.21-sun.com/detail/"+id+".htm";
50: 				String add_date = CommonString.getFormatPara(CommonDate.getFormatDate("yyyy-MM-dd",m.getFieldValue("add_date")));
51: 				int randomInt = random.nextInt(10000)%citys.length;
52: 				String rProvince=citys[randomInt-1];
53: 				if(rProvince.equals("")||rProvince==null){
54: 					rProvince="山東";
55: 				}


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.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)

Root Cause

java.lang.ArrayIndexOutOfBoundsException: -1
	org.apache.jsp.guosi.include.pro_005fdetail_005fcomment_jsp._jspService(pro_005fdetail_005fcomment_jsp.java:202)
	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.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)

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

Apache Tomcat/9.0.62