小弟刚学JSP,在做一个人事管理软件的时候出现了问题.请大家帮忙看看
JSP,在做一个人事管理软件的时候出现了问题: 
 在进行查询的时候, 
 1.	按照”出生日期范围”查询,即从自某年某月某日到某年某月某日进行查询!             
 2.	按照”   入司日期”查询,即从自某年某月某日到某年某月某日进行查询!             
 出现了错误.如下: 
 HTTP   Status   500   -    
 ________________________________________ 
 type   Exception   report 
 message    
 description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request. 
 exception     
org.apache.jasper.JasperException:   Unable   to   compile   class   for   JSP:      
 An   error   occurred   at   line:   31   in   the   jsp   file:   /employee/SearchEmployeeStep2.jsp 
 bir_from_id   cannot   be   resolved 
 28:                           } 
 29:   							 
 30:   	Vector   listemployee   =   Employee.Search(employeeid,username,sex,branch,nativeplace,marriage,politics,folk,education,administrationlevel, 
 31:   						duty,position,incumbency,incumbencytype,bir_from_id,accumulate_from_id); 
 32:   %>  
 33:    <html>  
 34:    <head>      
 An   error   occurred   at   line:   31   in   the   jsp   file:   /employee/SearchEmployeeStep2.jsp 
 accumulate_from_id   cannot   be   resolved 
 28:                           } 
 29:   							 
 30:   	Vector   listemployee   =   Employee.Search(employeeid,username,sex,branch,nativeplace,marriage,politics,folk,education,administrationlevel, 
 31:   						duty,position,incumbency,incumbencytype,bir_from_id,accumulate_from_id); 
 32:   %>  
 33:    <html>  
 34:    <head>      
 Stacktrace: 
 	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85) 
 	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) 
 	org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:435) 
 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:298) 
 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:277) 
 	org.apache.jasper.compiler.Compiler.compile(Compiler.java:265) 
 	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564) 
 	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299) 
 	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315) 
 	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) 
 	javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 
 note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Apache   Tomcat/5.5.23   logs. 
 ________________________________________ 
 Apache   Tomcat/5.5.23   
------解决方案--------------------数据库中只是一个 birthday 就可以了。   
 比如:要查询 2007-05-01 ~ 2007-06-01 的日期,就会把 birthday 中所有这个时间段内的值都匹配的。   
 你的 _Birthday 和 _Accumulateid 放的是什么东西?
我的异常网推荐解决方案:The server encountered an internal error () that prevented it from fulfilling this request.,http://www.aiyiweb.com/java-web/317.html
我的异常网推荐解决方案:<