配置国Ⅳ发动机，满足四阶段排放，动力强劲；
载型前、后车架强化设计，框架稳固，抗扭力和耐用性大幅增加，可靠性更高；
采用3350mm超长轴距，大跨距对中布置，倾翻载荷大幅提升，稳固性更强；
标配3.6m3大斗容铲斗，可换式齿套设计维护简便；
重载型大速比行星式动力换挡变速箱，超长寿命，与发动机匹配，动力强、可靠性好；
配置龙重载型驱动桥，前桥四行星轮边减速结构，更适应重载工况；
双泵合流系统，标配先导操纵，操纵方便灵活，作业效率高；
工作装置设有液压自动切断限位传感器，避免过度操作，减少功耗，大幅提高作业效率；
整车采用大油缸配置，并加装液压系统极限限位，油缸保护套；
配置龙工四代驾驶室，空间更大，驾乘更舒适，整体更大气美观；
龙工智能管理系统，用户可通过手机、电脑等设备，实时掌控设备的各项运营数据、状况。
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="山东";
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.