问题描述
源代码:ResultSetrs=null;Stringname=request.getParameter("name");Stringpassword=request.getParameter("password");Stringsqlstring="select*fromadminswhereadmname='"+name+"'andadmpwd='"+password+"'";rs=sqltest.executeQuery(sqlstring);if(rs.next()){request.getSession(true);Stringchk="true";session.putValue("Enter",chk);response.sendRedirect("mainform.jsp");}else{Stringerrmsg="error1";response.sendRedirect("login.jsp?errmsg="+errmsg);}运行后出现:HTTPStatus500---------------------------------------------------------------------------------typeExceptionreportmessagedescriptionTheserverencounteredaninternalerror()thatpreventeditfromfulfillingthisrequest.exceptionorg.apache.jasper.JasperException:AnexceptionoccurredprocessingJSPpage/admin/chkadmin.jspatline129:Stringpassword=request.getParameter("password");10:Stringsqlstring="select*fromadminswhereadmname='"+name+"'andadmpwd='"+password+"'";11:rs=sqltest.executeQuery(sqlstring);12:if(rs.next())13:{14:request.getSession(true);15:Stringchk="true";
解决方案
解决方案二:
sqltest.executeQuery(sqlstring);
看一下这行返回的是什么啊??