HTTP狀態(tài) 500 - 內(nèi)部服務(wù)器錯(cuò)誤

類型 異常報(bào)告

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

描述 服務(wù)器遇到一個(gè)意外的情況，阻止它完成請(qǐng)求。

例外情況

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)

根本原因。

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)

):注意 主要問題的全部 stack 信息可以在 server logs 里查看

Apache Tomcat/9.0.62