这个错误是什么原因啊？如何解决？

Question

type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 11 in the jsp file: /student/login_confirm.jsp
Generated servlet error:
D:\Program Files\Tomcat 5.0\work\Catalina\localhost\zhangyy\org\apache\jsp\student\login_005fconfirm_jsp.java:59: 需要 ';'
    String sql="select * from student where sname='"+username+"' and spass='"+password"'";
                                                                                      ^
An error occurred at line: 11 in the jsp file: /student/login_confirm.jsp
Generated servlet error:
D:\Program Files\Tomcat 5.0\work\Catalina\localhost\zhangyy\org\apache\jsp\student\login_005fconfirm_jsp.java:76: 需要 ';'
   String sql="select * from teacher where tname='"+username+"' and tpass='"+password"'";
                                                                                     ^
An error occurred at line: 11 in the jsp file: /student/login_confirm.jsp
Generated servlet error:
D:\Program Files\Tomcat 5.0\work\Catalina\localhost\zhangyy\org\apache\jsp\student\login_005fconfirm_jsp.java:94: 需要 ';'
   String sql="select * from admin  where aname='"+username+"' and apass='"+password"'";
                                                                                    ^
3 错误 org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:437)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:497)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:476)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:464)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs.
--------------------------------------------------------------------------------

Answer 1

此回复为自动发出,仅用于显示而已，并无任何其他特殊作用
楼主【alps1624】截止到2008-07-29 18:19:46的历史汇总数据(不包括此帖)：
发帖的总数量:5                        发帖的总分数:100                      每贴平均分数:20                       
回帖的总数量:10                       得分贴总数量:0                        回帖的得分率:0%                       
结贴的总数量:2                        结贴的总分数:40                       
无满意结贴数:0                        无满意结贴分:0                        
未结的帖子数:3                        未结的总分数:60                       
结贴的百分比:40.00 %               结分的百分比:40.00 %                  
无满意结贴率:0.00  %               无满意结分率:0.00  %                  
楼主该结一些帖子了
取消马甲机器人，请点这里：http://www.java2000.net/mycsdn/robotStop.jsp?usern=alps1624

Answer 2

d spass='"+password"'"; ===》d spass='"+password+"'"; 
你少写了一个加号

Answer 3

jsp文件中的一些标记出现了问题