On March 10, 2021 afternoon 11:48:23 org. Apache. Catalina. Core. ApplicationContext log
Information: in [18] processing [/baomingxinxi_add JSP] an exception occurs when the

15: id=request. The getParameter (" id ");
16:
17:
18: HashMap MLBDQ=new CommDAO (). The getmap (id, "kechengxinxi");
19: String jiaolian="";
20: String kechengmingcheng="";
21: String xuefei="";

Stacktrace:





Code:
<%
String id="";
Id=request. The getParameter (" id ");


HashMap MLBDQ=new CommDAO (). The getmap (id, "kechengxinxi");
String jiaolian="";
String kechengmingcheng="";
String xuefei="";
Jiaolian=(String) MLBDQ. Get (" jiaolian ");
Kechengmingcheng=(String) MLBDQ. Get (" kechengmingcheng ");
Xuefei=(String) MLBDQ. Get (" xuefei ");


% & gt;