日期:2014-05-18  浏览次数:20612 次

jsp数据库连接池的问题
本人采用javabean实现数据库连接池的操作,但是在eclipse中运行却出现以下提示:

org.apache.jasper.JasperException:   Unable   to   compile   class   for   JSP:  

An   error   occurred   at   line:   9   in   the   jsp   file:   /test.jsp
DBConnManager   cannot   be   resolved   to   a   type
6:   <head>
7:   <meta   http-equiv= "Content-Type "   content= "text/html;   charset=GB18030 ">
8:   <title> test   database   connection   pool </title>
9:   <jsp:useBean   id= "connManager "   scope= "application "   class= "DBConnManager "/>
10:   </head>
11:   <body>
12:   <%!

请问这是什么原因啊?

------解决方案--------------------
没有声明引入吧?
------解决方案--------------------
no package name!
for example:
<jsp:useBean id= "connManager " scope= "application " class= "com.yourname.DBConnManager "/>
------解决方案--------------------
沒找到DBConnManager的class文件吧。
我的异常网推荐解决方案:org.apache.jasper.JasperException: Unable to compile class,http://www.aiyiweb.com/j2ee/2308.html