连接池问题:
javax.naming.NameNotFoundException: Name jdbc is not bound in this ContextTomcat   5.5   +   MySQL   配置的数据库连接池出问题了 
 是按照网上写的在%TOMCAT_HOME%\conf\Catalina\localhost下创建同项目名称的xml文件 
 不过还是出现这个错误信息  
javax.naming.NameNotFoundException:   Name   jdbc   is   not   bound   in   this   Context 
 实验室的机器让我稀里糊涂配成功了 
 寝室的就是不行 
 xml文件我复制机房的过来也不成 
 以下是XML文件内容   
  <Context   path= "/nbcs "   docBase= "C:\Tomcat\webapps\nbcs "   reloadable= "true "   crossContext= "true "   debug= "0 "   >    
  <Resource   name= "jdbc/yiyang "   auth= "Container "   type= "javax.sql.DataSource "   maxActive= "100 "   maxIdle= "30 "   maxWait= "10000 "   username= "yiyang "   password= "123456 "   driverClassName= "com.mysql.jdbc.Driver "   url= "jdbc:mysql://localhost/yiyang?useUnicode=true&characterEncoding=GBK "/>    
  </Context>    
 高手救命啊
------解决方案--------------------我今天也遇到了类似问题,不过我用的是tomcat5.0.27的,配置的语法不太一样,但道理是一样的。出现Name jdbc is not bound in this Context 说明他找不到你写的连接池资源配置文件。如果你把那些配置文件写入server.xml的context中就会出现这个问题。如果你写到 <GlobalNamingResources>  </GlobalNamingResources> 之间就会出现org.apache.tomcat.dbcp.dbcp.
SQLNestedException: Cannot create JDBC driver of class  ' ' for connect URL  'null '这个问题 
 总结了两种解决方法: 
 (1)把资源配置写入 <GlobalNamingResources>  </GlobalNamingResources> 之间 
 然后在conf/Catalina/localhost下面建立你的web描述文件比如你的web叫simplebbs你要建立simplebbs.xml在里面写入 <?xml version= "1.0 " encoding= "ISO-8859-1 "?>  
  <Context path= "/simplebbs " docBase= "${catalina.home}/webapps/simplebbs " 
         debug= "0 " privileged= "true ">  
   <ResourceLink name= "jdbc/bbs " global= "jdbc/bbs " type= "javax.sql.DataSource " />  
  </Context>  
 (2)server.xml中的 <context>  </context> 之间只写: 
  <!-- new Context -->   
  <Context path= "simplebbs " docBase= "simplebbs " 
 	       debug= "100 " reloadable= "true " crossContext= "true ">   	        
 	        <Logger className= "org.apache.catalina.logger.FileLogger " 
 	            prefix= "localhost_SimpleBBS_log. " suffix= ".txt " 
 	            timestamp= "true "/> 	 
  </Context>  
 在conf/Catalina/localhost下面建立你的web描述文件比如你的web叫simplebbs你要建立simplebbs.xml在里面写入 
  <?xml version= "1.0 " encoding= "ISO-8859-1 "?>  
  <Context path= "/simplebbs " docBase= "${catalina.home}/webapps/simplebbs " 
         debug= "0 " privileged= "true ">  
   <Resource name= "jdbc/bbs " 
               auth= "Container " 
               type= "javax.sql.DataSource "/>  
   <ResourceParams name= "jdbc/bbs ">  
     <parameter>  
       <name> factory </name>  
       <value> org.apache.commons.dbcp.BasicDataSourceFactory </value>  
     </parameter>    
     <!-- Maximum number of dB connections in pool. Make sure you 
         configure your mysqld max_connections large enough to handle 
         all of your db connections. Set to 0 for no limit. 
         -->  
     <parameter>  
       <name> maxActive </name>  
       <value> 10 </value>  
     </parameter>    
     <!-- Maximum number of idle dB connections to retain in pool.